合金工具钢的钢号与化学成分(质量分数)钢号材料号CSiMnPSCrMoVW-Nr≤≤90CrSi51.22490.40~0.501.30~1.600.60~0.800.0350.0351.30~1.60__125CrSi51.22030.90~1.100.15~0.300.60~0.800.0350.0351.30~1.60__105MnCr41.23050.98~1.050.50~0.651.00~1.200.0350.035__200CrMn81.23070.26~0.340.15~0.350.80~1.100.0350.0351.90~2.20__21MnCr51.23110.35~0.450.20~0.401.10~1.400.030.031.00~0.30__X165CrV121.23120.35~0.450.30~0.500.20~0.400.0350.03511.0~12.00_0.07~0.12140CrV11.23160.33~0.43≤1.000.25~0.400.0250.0251.60~1.90_0.10~0.1531CrV31.23190.60~0.700.30~0.500.40~0.600.030.031.70~1.90)