二、常用钢号的化学成分
常用钢号的化学成分见表2—7。
表2—7 常用钢号的化学成分
钢号化学成分(质量分数,%)CSiMnCrMo其他PS≤080.05~0.120.17~0.370.35~0.65———0.0350.040100.07~0.140.17~0.370.35~0.65———0.0350.040150.12~0.190.17~0.370.35~0.65———0.0400.040200.17~0.240.17~0.370.35~0.65———0.0400.040250.22~0.300.17~0.370.50~0.80———0.0400.040300.27~0.350.17~0.370.50~0.80———0.0400.040350.32~0.400.17~0.370.50~0.80———0.0400.040400.37~0.450.17~0.370.50~0.80———0.0400.040450.42~0.450.17~0.370.50~0.80———0.0400.040500.47~0.550.17~0.370.50~0.80———0.0400.040600.57~0.650.17~0.370.50~0.80———0.0400.040700.67~0.750.17~0.370.50~0.80———0.0400.04015Mn0.12~0.190.1 ...... (共1867字) [阅读本文]>>