【宝钢酸洗QStE420TM S420MC_电子五金件】_价格_厂家_批发

宝钢酸洗QStE420TM S420MC产品详情

  • 品牌:其他
  • 材质:不锈钢
  • 型号:齐全

QStE420TM是什么东西?

QStE420TM标准什么?

QStE420TM价格多少?

QStE420TM用途是什么?

QStE420TM机械性能是什么?

QStE420TM 元素含量是什么?

术语和定义
3.1酸洗钢利用酸溶液去除钢铁表面上的氧化皮和锈蚀物的方法称为酸洗。是清洁金属表面的一种方法。通常与预膜(<*n>pre-passivating treatment<*n>)一起进行。

一般将制件浸入*等的水溶液,以除去金属表面的氧化物等薄膜。是电镀、搪瓷、轧制等工艺的前处理或中间处理。

上海旺雨实业有限公司主要致力于汽车钢材经营贸易。公司产品涉及汽车用冷轧板、汽车用镀锌板、汽车用酸洗板、汽车用管等****汽车钢,旨在为客户提供********的汽车用钢解决方案。公司****提供样品,价格公道一张起售,联系人:黄海明 电话:13761369192 *:316378221


分类及牌号
3.1钢板及钢带的牌号、公称厚度、用途及产品类别如表1所示。
3.2 按边缘状态分为
切边 EC \ 不切边 EM
3.3按表面处理方式分为:
酸洗表面 \ 非酸洗表面
3.4按表面质量级别分为:
普通级表面 FA 较*表面 FB
表1

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">牌号 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">公称厚度<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">a<*n style="font-family:宋体;line-height:150%;font-size:9pt;"> mm <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">用 途 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">产品类别 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SAPH310 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">1.6~16.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">用于要求成型加工性能的汽车构架、车轮等汽车结构件 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">热轧钢带 热轧钢板 热轧纵切钢带 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SAPH370 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">1.6~12.5 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SAPH400 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">1.6~12.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SAPH440 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">1.6~4.5 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE340TM QStE380TM QStE420TM QStE460TM QStE500TM <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">3.0~<10.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">用于要求良好的冷成型性能并有较高或高强度要求的汽车大梁等结构件 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">热轧钢带 热轧钢板 热轧纵切钢带 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B330CL <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">2.5~4.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">具有良好的冷成型性能,用于制造汽车滚型车轮轮辋及轮辐 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">热轧钢带 热轧钢板 热轧纵切钢带 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B380CL <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">2.7~14.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B420CL <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">3.0~5.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B320L <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">2.0~4.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">供制造汽车大梁、横梁用 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">热轧钢带 热轧钢板 热轧纵切钢带 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B420L <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤6.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B510L <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤8.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B510DL <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">4.0~7.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B550L <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">4.0~8.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B440QZR <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤8.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">供制造汽车传动轴管用 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">热轧钢带 热轧钢板 热轧纵切钢带 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B480QZR <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">4.0~8.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B440QK (BQK440) <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">4.0~8.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">供制造汽车桥壳用 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">热轧钢带 热轧钢板 热轧纵切钢带 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">注:括号内的牌号可使用至2005年年底。 <*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">a<*n style="font-family:宋体;line-height:150%;font-size:9pt;"> 对于热轧酸洗表面钢板及钢带,公称厚度≤6.0mm。<*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">


4 订货所需信息
4.1 订货时用户须提供下列信息:
a) 本企业标准号;
b) 产品类别;
c) 牌号、表面处理方式及表面质量级别;
d) 规格及尺寸(厚度)精度级别;
e) 边缘状态。
如在订货合同中:
未说明表面处理方式时,以非酸洗表面交货。
对于热轧非酸洗表面钢板及钢带,未说明尺寸精度时,除本标准特别规定外,以Q/BQB301中普通厚度精度交货;未说明边缘状态时,钢带以不切边状态交货,钢板以切边状态交货。
对于热轧酸洗表面钢板及钢带,未说明尺寸精度时,除本标准特别规定外,以Q/BQB301中较高厚度精度交货;未说明边缘状态、表面质量级别和是否涂油时,以切边状态、较*表面和涂油交货;未说明钢卷内径时,以钢卷内径610mm交货。
4.2 标记示例
按Q/BQB310-2003交货的热轧非酸洗表面钢板,牌号SAPH400,厚度3.0mm,PT.*精度,宽度1500mm,切边(EC),长度5000mm,其标记为:
Q/BQB310-2003,SAPH400热轧钢板,3.0(PT.A)×1500(EC)×5000
按Q/BQB310-2003交货的热轧酸洗表面、涂油钢带,牌号SAPH400,表面质量级别FB,厚度3.0mm,PT.B级精度,宽度1500mm,切边(EC),钢卷内径610mm,其标记为:
Q/BQB310-2003, SAPH400热轧酸洗钢带,FB,3.0(PT.B)×1500(EC)×C,卷内径610
5 尺寸、外形、重量及允许偏差
5.1 B330CL、B380CL、B420CL的厚度允许偏差应符合Q/BQB301较*(PT.B)规定。
5.2 B440QZR 、B480QZR的厚度允许偏差应符合表2 的规定。
5.3 其它尺寸、外形、重量及其允许偏差按Q/BQB301的规定。
表2

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">牌   号 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">公称厚 度mm <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">厚度允 许偏差mm <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B440QZR <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;"><3.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">+0.20 -0.10 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">3.0~4.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">+0.25 -0.15 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">>4.0~8.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">±0.25 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B480QZR <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">4.0~8.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">±0.25 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">


6 技术要求
6.1 牌号及化学成分
6.1.1 钢的牌号及化学成分(熔炼分析)应符合表3的规定。
6.1.2 钢中残余铜的含量应不大于0.20%,铬、镍的含量应不大于0.15%,供方可不进行残余元素分析,但应保证符合上述规定。
6.1.3钢板及钢带的成品化学成分允许偏差应符合GB/T 222的规定。
6.2 冶炼方法
钢板及钢带所用的钢为氧气转炉冶炼的*钢。
6.3 交货状态
钢板及钢带以热轧状态交货。
6.4表面处理方式
6.4.1钢板及钢带的表面处理方式可采用非酸洗表面和酸洗表面两种方式。
6.4.2酸洗表面的钢板及钢带,可以涂油或不涂油交货。经涂油后的酸洗钢板及钢带,在正常包装、运输、搬运和贮存条件下,供方保证自准发之日起三个月内不产生锈蚀,所涂油膜应能用碱水溶液消除掉。如需方要求以不涂油的酸洗钢板及钢带供货,应在合同中注明。不涂油的酸洗钢板及钢带,在运输和加工过程中易产生锈蚀和擦伤,供方对此不作保证。
6.5 力学和工艺性能
6.5.1 钢板及钢带的力学和工艺性能应符合相应表4、表5、表6和表7的规定。
表3

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">牌号 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">化    学    成    分    % <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">C <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">Si <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">Mn <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">P <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">S <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">Ti <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">Nb <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">Alt <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;color:#C8E1EB;font-size:9.0000pt;"> 

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SAPH310 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.10 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.30 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.50 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.035 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.035 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥0.010 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SAPH370 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.21 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.30 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.75 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SAPH400 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.21 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.30 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤1.20 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.030 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.025 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SAPH440 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤1.50 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B440QK (BQK440) <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.21 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.35 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤1.80 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.030 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.025 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥0.010 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE340TM<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤1.30 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE380TM<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤1.40 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE420TM<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.12 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.50 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤1.50 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.030 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.025 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.22 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.09 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥0.015 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE460TM<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤1.60 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE500TM<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤1.70 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B330CL <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.10 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.05 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.50 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.030 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.025 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥0.020 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B380CL <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.12 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.05 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">0.50~1.20 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.030 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.025 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥0.020 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B420CL <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.12 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.30 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">0.80~1.20 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.030 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.025 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥0.020 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B320L <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.10 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.05 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.50 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.030 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.035 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B420L <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.12 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.50 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤1.20 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.030 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.025 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.04 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B510L <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.16 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.50 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤1.60 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.030 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.025 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.06 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B510DL <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.18 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.30 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤1.60 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.025 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.020 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥0.010 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B550L <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.16 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.50 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤1.60 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.030 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.025 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B440QZR <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.12 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.50 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤1.30 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.030 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.025 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.04 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B480QZR <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.16 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.50 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤1.50 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.030 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.035 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">  <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">a<*n style="font-family:宋体;line-height:150%;font-size:9pt;">由供方选定含Nb和/或Ti,此外还可以加V,但这三种元素含量之和不得超过0.22%。  <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">


表4

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">牌 号 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">*拉 强度 MPa <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">拉  伸  试  验<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">a<*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">180<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">0<*n style="font-family:宋体;line-height:150%;font-size:9pt;">弯曲试验<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">b<*n style="font-family:宋体;line-height:150%;font-size:9pt;"> 弯心直径 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">下屈服强度<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">c<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:sub;"> <*n style="font-family:宋体;line-height:150%;font-size:9pt;">MPa<*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">断后伸长率    % <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">L<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:sub;">0<*n style="font-family:宋体;line-height:150%;font-size:9pt;">=50mm b=25mm <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">L<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:sub;">0<*n style="font-family:宋体;line-height:150%;font-size:9pt;">=200mm b=40mm<*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">公    称    厚    度    mm <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;"><6.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">6.0~ <8.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">8.0~ <14.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">1.6~<2.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">2.0~ <2.5 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">2.5~ <*<*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">*~ <4.0<*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">4.0~ <6.3<*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥6.3 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;"><2.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥2.0<*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SAPH310<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">d <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥310 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥185 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥175 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥33 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥34 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥36 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥38 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥40 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥26 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">0a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">2a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SAPH370 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥370 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥225 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥215 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥32 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥33 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥35 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥36 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥37 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥25 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">1a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SAPH400 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥400 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥255 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥235 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥31 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥32 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥34 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥35 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥36 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥24 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">2a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SAPH440 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥440 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥305 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥275 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥295 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥29 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥30 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥32 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥33 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥34 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥22 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">3a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">a<*n style="font-family:宋体;line-height:150%;font-size:9pt;"> 拉伸试验规定值适用于纵向试样;对拉伸试验取L<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:sub;">0<*n style="font-family:宋体;line-height:150%;font-size:9pt;">=50mm,b=25mm的试样,即为GB/T 228中P14试样。 <*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">b<*n style="font-family:宋体;line-height:150%;font-size:9pt;"> 弯曲试验规定值适用于横向试样,弯曲试样宽度b≥20mm,仲裁试验时试样宽度为20mm。 <*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">C<*n style="font-family:宋体;line-height:150%;font-size:9pt;"> 屈服现象不明显时,采用R<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:sub;">p0.2<*n style="font-family:宋体;line-height:150%;font-size:9pt;">。 d 牌号SAPH 310的下屈服强度为参考值,不作为保证条件。 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">


表5

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">牌 号 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">拉  伸  试  验<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">180<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">0<*n style="font-family:宋体;line-height:150%;font-size:9pt;">弯曲试验<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">a,b<*n style="font-family:宋体;line-height:150%;font-size:9pt;"> 弯心直径 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">上屈服强度<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">c <*n style="font-family:宋体;line-height:150%;font-size:9pt;">MPa <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">*拉强度 MPa <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">断后伸长率    % <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">L<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:sub;">0<*n style="font-family:宋体;line-height:150%;font-size:9pt;">=80mm,b=20mm <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">公称厚度   mm <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;"><3.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥3.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE340TM <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥340 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">420~540 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥19 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥25 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">0.5a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE380TM <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥380<*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">450~590 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥18 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥23 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE420TM <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥420 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">480~620 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥16 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥21 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE460TM <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥460 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">520~670 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥14 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥19 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">1a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE500TM<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">d <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥500 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">550~700 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥12 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥17 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">a<*n style="font-family:宋体;line-height:150%;font-size:9pt;"> 表中所列拉伸试验规定值适用于纵向试样,弯曲试验规定值适用于横向试样。   <*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">b<*n style="font-family:宋体;line-height:150%;font-size:9pt;"> 弯曲试样宽度b≥20mm,仲裁试验时为20mm。   <*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">c<*n style="font-family:宋体;line-height:150%;font-size:9pt;"> 屈服现象不明显时,采用R<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:sub;">p0.2<*n style="font-family:宋体;line-height:150%;font-size:9pt;">。 d 牌号QStE500TM厚度大于8.0mm的钢板及钢带,其屈服强度下限允许降低20MPa。 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">


表6

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">牌号 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">拉  伸  试  验<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">a<*n style="font-family:宋体;line-height:150%;font-size:9pt;"> <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">180<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">0<*n style="font-family:宋体;line-height:150%;font-size:9pt;">弯曲试验<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">b<*n style="font-family:宋体;line-height:150%;font-size:9pt;"> 弯心直径 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">下屈服强度<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">c <*n style="font-family:宋体;line-height:150%;font-size:9pt;">MPa <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">*拉强度 MPa <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">屈强比<*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">断后伸长率%<*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B330CL <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥225 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">330~430 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥33 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">0.5a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B380CL<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">d <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">厚度2.7~5.5时,≥260 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">380~480 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥32 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">0.5a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">厚度>5.5~10.0时,≥235 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥28 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">1a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">厚度>10.0~14.0时,≥220 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥25 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B420CL <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥290 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">420~520 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥28 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">0.5a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B440QZR<*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥320 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">440~570 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥15 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">1a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B480QZR <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥355 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">480~580 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥21 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B320L <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥215 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">320~420 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥27 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">0a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B420L <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥305 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">420~540 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥25 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">0.5a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B510L <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥355 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">510~610 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥24 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">0.5a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B510DL <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥355 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">510~610 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤0.80 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥24 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">1a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B550L <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥400 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">550~650 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥23 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">1a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">a<*n style="font-family:宋体;line-height:150%;font-size:9pt;"> 拉伸试验规定值适用于横向试样; <*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">b<*n style="font-family:宋体;line-height:150%;font-size:9pt;"> 弯曲试验规定值适用于横向试样。牌号B440QZR、B480QZR的弯曲试样宽度b≥20mm,仲裁试验时弯曲试样宽度为20mm;其它牌号的弯曲试样宽度b≥35mm,仲裁试验时试样宽度为35mm。 <*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">c<*n style="font-family:宋体;line-height:150%;font-size:9pt;"> 屈服现象不明显时,采用R<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:sub;">p0.2<*n style="font-family:宋体;line-height:150%;font-size:9pt;">。 d 牌号B380CL,厚度≥10.0mm的钢板及钢带,其*拉强度下限允许降低10MPa。 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">


表7

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">牌号 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">拉  伸  试  验<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">a<*n style="font-family:宋体;line-height:150%;font-size:9pt;"> L<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:sub;">0<*n style="font-family:宋体;line-height:150%;font-size:9pt;">=50mm  b=25mm <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">180<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">0<*n style="font-family:宋体;line-height:150%;font-size:9pt;">弯曲试验<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">b <*n style="font-family:宋体;line-height:150%;font-size:9pt;">弯心直径 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">下屈服强度<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">c <*n style="font-family:宋体;line-height:150%;font-size:9pt;">MPa <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">*拉强度 MPa <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">断后伸长率   % <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B440QK (BQK440) <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥295 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥440 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≥34 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">1a <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">a  <*n style="font-family:宋体;line-height:150%;font-size:9pt;">拉伸试验取纵向试样。 <*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:super;">b<*n style="font-family:宋体;line-height:150%;font-size:9pt;"> 弯曲试验取横向试样,弯曲试样宽度b≥20mm, 仲裁试验时为20mm。 c 屈服现象不明显时,采用R<*n style="font-family:宋体;line-height:150%;font-size:9pt;vertical-align:sub;">p0.2<*n style="font-family:宋体;line-height:150%;font-size:9pt;">。 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">


6.5.2 弯曲试验后,试样的外侧面不得有肉眼可见的裂纹。
6.6 表面质量
6.6.1 钢板及钢带表面不得有裂纹、结疤、折叠、气泡和夹杂等对使用*的缺陷,钢板及钢带不得有分层。对酸洗表面的钢板及钢带不得有停车斑。
6.6.2 钢板及钢带按表面质量分为二级,如表8所示。
表8

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">级别 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">适用的表面处理方式 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">特征 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">普通级表面(FA) <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">非酸洗表面 酸洗表面 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">表面允许有深度(或高度)不超过钢板厚度公差之半的麻点、凹面、划痕等轻微、局部的缺陷,但应保证钢板及钢带允许的****小厚度。 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">较*表面(FB) <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">酸洗表面 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">表面允许有不影响成型性的缺陷,如轻微划伤、轻微压痕、轻微麻点、轻微辊印及色差等 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">


6.6.3 对于钢带,由于没有机会切除带缺陷部分,所以允许带有若干不正常的部分,但有缺陷的部分不得超过每卷总长度的6%。
7 检验和试验 
7.1 钢板及钢带的外观用肉眼检查。
7.2 钢板及钢带的尺寸和外形应用合适的测量工具检查。
7.3 每批钢板及钢带所需检验项目的试样数量、取样方法、试验方法应符合表9的规定。
7.4 取样频率
7.4.1 化学成分分析的取样频率
按炉对化学成分进行熔炼分析。
7.4.2 力学性能和工艺性能的取样频率
钢板及钢带应按批验收,每批应由重量不大于70吨的同炉号、同牌号、同厚度规格、同产品形态的钢板或钢带组成。
注:经供需双方协商,可另确定检验批重量。
7.5 力学性能和工艺性能的取样位置
试样取自钢板或钢带宽度的1/4处。
表9

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">序号 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">试验项目 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">试样数量,个 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">取样方法 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">试验方 法 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">1 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">化学分析 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">1(每炉) <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">GB/T 222 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">GB/T 223 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">2 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">拉伸试验 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">1 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">GB/T 2975 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">GB/T 228 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">3 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">弯曲试验 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">1 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">GB/T 2975 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">GB/T 232 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">


7.6 复验
7.6.1如有某一项试验结果不符合标准要求,则从同一批中再任取双倍数量的试样进行该不合格项目的复验。
7.6.2 复验结果(包括该项目试验所要求的所有指标)合格,则整批合格。复验结果(包括该项目试验所要求的所有指标)即使有一个指标不合格,则复验不合格。
7.6.3 如复验不合格,则已做试验且试验结果不合的单件不能验收,但该批材料中未做试验的单件可逐件重新提交试验和验收。
8 数值修约规则按GB/T 8170的规定。
9 包装、标志和质量证明书
9.1钢板及钢带的包装、标志和质量证明书应符合Q/BQB300的规定。
9.2 包装重量应符合表10的规定。
表10

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">产品类别 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">下列表面处理方式时的包装重量           t <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">非酸洗表面 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">酸洗表面 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">热轧钢带 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤43.6 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤15.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">热轧钢板 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤10.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤10.0 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">热轧纵切钢带 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">≤43.6 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">


附录A 
(资料性附录)
本标准与引用标准及*相近牌号对照表
表A.1

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">EN149-2-80 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SEW092-82 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">Q/BQB310-2003 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">EN10149-2:1995 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">GB3273-89 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE340TM <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE340TM <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE380TM <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE380TM <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">FeE420TM <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE420TM <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE420TM <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">S420MC <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE460TM <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE460TM <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">S460MC <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE500TM <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">QStE500TM <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">S500MC <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">B510L B510DL <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">- <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">09SiVL  16MnL 16MnREL <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">注1:SEW092-82、EN149-2-80中规定的拉伸试验取横向试样。 注2:EN10149-2:1995中规定的拉伸试验取纵向试样。 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">


表A.2 

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">Q/BQB310-2003 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">JIS *113-1990 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SAPH 310 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SAPH 310 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SAPH 370 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SAPH 370 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SAPH 400 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SAPH 400 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SAPH 440,B440QK <*n style="font-family:宋体;line-height:150%;font-size:9pt;">

<*n style="font-family:宋体;line-height:150%;font-size:9pt;">SAPH 440 <*n style="font-family:宋体;line-height:150%;font-size:9pt;">


附录A
(资料性附录)
本标准牌号与国内外标准牌号的近似对照表上海旺雨实业有限公司主要致力于汽车钢材经营贸易。公司产品涉及汽车用冷轧板、汽车用镀锌板、汽车用酸洗板、汽车用管等****汽车钢,旨在为客户提供********的汽车用钢解决方案。公司****提供样品,价格公道一张起售,联系人:黄海明 电话:13761369192 *:316378221

备案号:苏ICP备2023010471号