P355GH化学成分% | |||||||||
C | Si | Mn | Cr | Ni | Mo | Nb | V | P | S |
0.10~0.22 | ≤0.060 | 1.10~1.70 | ≤0.30 | ≤0.30 | ≤0.08 | ≤0.040 | ≤0.02 | ≤0.025 | ≤0.010 |
钢板厚度/mm | 拉伸试验 | 冲击试验 | ||||
抗拉强度Rm//(N/mm²) | 屈服强度 ReL/(N/mm²) | 伸长率A/% | 温度/℃ | |||
不小于 | -20 | 0 | 20 | |||
≤16 | 510~650 | 355 | 20 | 27 | 34 | 40 |
16<t≤40 | 345 | |||||
40<t≤60 | 335 | |||||
60<t≤100 | 315 | |||||
100<t≤150 | 490~630 | 295 | ||||
150<t≤250 | 470~630 | 280 |
欢迎光临 钢铁圈子-有钢铁的地方,就有钢铁圈子! (https://ironbbs.com/) | Powered by Discuz! X3.5 |