12Cr2Mo1VR化学成分% | ||||||||||||
Ca | Si | Mn | Cu | Ni | Cr | Mo | Nb | V | Ti | P | S | 其他 |
0.11~0.15 | ≤0.10 | 0.30~0.60 | ≤0.20 | ≤0.25 | 2.00~2.50 | 0.90~1.10 | ≤0.07 | 0.25-0.35 | ≤0.030 | ≤0.010 | ≤0.005 | B≤0.0020Ca≤0.015 |
牌号 | 交货状态 | 钢板厚度mm | 拉伸试验 | 冲击试验 | 弯曲试验b | |||
Rm MPa | Rela | 断后伸长率A% | 温度℃ | 冲击吸收能量KV2J | 180° b=2a | |||
不小于 | 不小于 | |||||||
12Cr2Mo1VR | 正火加回火 | 6~200 | 590~760 | 415 | 17 | -20 | 60 | D=3a |
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