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编号 C Si Mn P S Cr Ni Cu Ti Mo M-2 2.53 2.59 1.04 0.066 0.029 1.49 0.118 1.79 0.042 0.153 编号 V Pb As Nb B Sn W Sb Alt Co
YJZ9704 30CrMo
YJZ9704C 30CrMo
YJZ9705D 10MnNb
YJZ9707B 27CrMo
YJZ9707C 27CrMo
YJZ9709D 17MnVNb
YJZ9711C 16MnV5
YJZ9711D 16MnV5
YJZ9712D 12CrMoV
YJZ9713B Ni12Cr17Mo