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钢的牌号和化学成分(熔炼分析)序号统一数字代号牌号化学成分(质量分数)/%CSiMnPSNiCrMo1S3040806Cr19Ni100.070.752.000.0450.0308.0010.5017.5019.50-2S30403022Cr19Ni100.030.752.000.0450.0308.0012.0017.5019.50-3S3160806Cr17Ni12Mo20.080.752.000.0450.03010.0014.0016.0018.002.003.004S31603022Cr17Ni12Mo20.030.752.000.0450.03010.0014.0016.0018.002.003.005S11972019Cr19Mo2NbTi0.0250.751.00.0400.0301.017.519.51.752.56S12362019Cr23MoTi0.0251.001.000.0400.030-21.024.00.701.507S12361019Cr23Mo2Ti0.0251.001.000.0400.030-21.024.01.502.50