鋼的牌號(hào)和化學(xué)成分（熔煉分析）序號(hào)統(tǒng)一數(shù)字代號(hào)牌號(hào)化學(xué)成分（質(zhì)量分?jǐn)?shù)）/%CSiMnPSNiCrMo1S3040806Cr19Ni10≤0.07≤0.75≤2.00≤0.045≤0.0308.00～10.5017.50～19.50-2S30403022Cr19Ni10≤0.03≤0.75≤2.00≤0.045≤0.0308.00～12.0017.50～19.50-3S3160806Cr17Ni12Mo2≤0.08≤0.75≤2.00≤0.045≤0.03010.00～14.0016.00～18.002.00～3.004S31603022Cr17Ni12Mo2≤0.03≤0.75≤2.00≤0.045≤0.03010.00～14.0016.00～18.002.00～3.005S11972019Cr19Mo2NbTi≤0.025≤0.75≤1.0≤0.040≤0.030≤1.017.5～19.51.75～2.56S12362019Cr23MoTi0.0251.001.00≤0.040≤0.030-21.0～24.00.70～1.507S12361019Cr23Mo2Ti0.0251.001.00≤0.040≤0.030-21.0～24.01.50～2.50。