07Cr2AlMoR 化学成分% | ||||||
C | Si | Mn | P | S | Mo | Cr |
≤0.09 | 0.20~0.50 | 0.40~0.90 | ≤0.020 | ≤0.010 | 0.30~0.50 | 2.00~2.40 |
钢板状态 | 力学性能 | ||||||
正火加回火 | 板厚(mm) | 抗拉强度 | 屈服强度 | 伸长率 | 温度 | 冲击功 | 冷弯试验180 °b=2a |
6~36 | 420~580 | ≥260 | ≥21 | 47 | ≥47 | d=3a | |
>36~60 | 410~570 | ≥250 |
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