34crnimo629Cr3Mo18Cr2Ni4W34CrNi3Mo30Cr2Ni2Mo16/20MnCr5等大量合金钢材
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12CrNi3 16MnCr5 20MnCr5 20Cr2Ni4 20Cr2Ni2Mo 30Cr2Ni2Mo 34CrNiMo6 17CrNiMo6 18CrNiMo7-6 29Cr3Mo 40Cr 45# 42CrMo 等