螺栓材质化学成分钢号17CrMo1V20CrMo20Cr12NiMoWV20Cr1Mo1VNbTiB20Cr1Mo1CVTiB25Cr2MoV25Cr2Mo1V25Cr1Mo1V130CrMoV935CrMoZG1Cr10MoVNBN碳0.12~0.200.17~0.240.20~0.250.17~0.230.17~0.230.22~0.290.22~0.290.18~0.250.26~0.340.32~0.400.09~0.13锰0.60~1.000.40~0.700.50~1.000.40~0.650.40~0.600.40~0.700.50~0.800.30~0.600.40~0.700.40~0.700~0.80络0.30~0.450.80~1.1011.00~12.500.90~1.300.90~1.301.50~1.802.10~2.501.00~1.302.30~2.700.80~1.109.1~10钼0.70~0.900.15~0.250.90~1.250.75~1.000.75~1.000.25~0.350.90~1.100.80~1.100.15~0.250.15~0.250.65~1钒0.30~0.40镍钛钨其他0.20~0.300.45~0.650.45~0.650.15~0.300.30~0.500.70~1.000.10~0.200.50~1.000.05~0.140.16~0.280.90~1.250.13~0.200.40~0.70