X10CrMoVNb9-1化学成分% | |||||||||
C | Si | Mn | Cr | Ni | Mo | Nb | V | P | S |
0.08~0.12 | ≤0.15 | 0.30~0.60 | 8.0~9.5 | ≤0.30 | 0.85~1.05 | 0.06~0.10 | 0.20~0.30 | ≤0.020 | ≤0.005 |
钢板厚度/mm | 交货状态 | 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 | ||||
≤60 | +NT | 580~760 | 445 | 18 | 27 | 34 | 40 |
60<t≤150 | 550~730 | 435 | 18 | ||||
150<t≤250 | +QT | 520~700 | 435 | 18 |
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