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Q355HR钢板化学成分
2022-06-11 09:35:00 【51CTO】
1、Q355HR钢板简介:
Q355HR属于核电用钢,是舞钢科技部核电所牌号,多用于化工、核工业及电力电网等。
2、Q355HR钢板化学成分:
C | Si | Mn | P | S | Ni | Cr | Mo | Cu | Nb | V | Ti | Alt | N |
0.1~0.22 | ≤0.6 | 1.1~1.7 | ≤0.025 | ≤0.015 | ≤0.3 | ≤0.3 | ≤0.08 | ≤0.3 | ≤0.02 | ≤0.02 | ≤0.03 | ≥0.02 | ≤0.012 |
3、Q355HR钢板执行标准:NB/T20005.7-2010
4、Q355HR钢板尺寸、外形、重量及允许偏差:钢板厚度的允许偏差按GB/T 709-2006的B类偏差。根据需方要求,经供需双方协议,可供应减小负偏差切公差不变的钢板。钢板的尺寸、外形、重量及允许偏差的其他要求应符合GB/T 709-2006的规定。
5、Q355HR钢板力学性能:
品种 | 形状 | 交货状态 | 规格 | 详情 | |||
Q355HR-板(6~16) | 板 | 正火,调质 | 6~16 | ReH(MPa) | ≥355 | 说明 | |
Rm(MPa) | 510~650 | 说明 | |||||
A(%) | ≥21 | 说明 | |||||
冲击温度 | -20 | 说明 | |||||
Akv(J) | ≥16 | 说明 | 内部 | ||||
弯曲直径 | 3a | 说明 | |||||
弯曲角度 | 180 | 说明 | |||||
Q355HR-板(>16~40) | >16~40 | ReH(MPa) | ≥345 | 说明 | |||
Rm(MPa) | 510~650 | 说明 | |||||
A(%) | ≥21 | 说明 | |||||
冲击温度 | -20 | 说明 | |||||
Akv(J) | ≥16 | 说明 | 内部 | ||||
弯曲直径 | 3a | 说明 | |||||
弯曲角度 | 180 | 说明 | |||||
6、Q355HR钢板应用范围: Q355HR多用于化工、核工业及电力电网等。辽宁红沿河核电站是我国东北地区 第 一 座大型商用核电站,规划建设6台百万千瓦级压水堆核电机组。作为 中 国 首 个 研发生产核电钢板、在国内 首 家 实现常规岛级和核岛级设备用宽厚钢板品种全覆盖的企业,河钢舞钢从2006年辽宁红沿河核电站建设伊始,便对这一举国关注的重点工程给以了有力支持,累计供应 高 级别核电用宽厚钢板1000多吨。
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