用代號410420J1420J2    鋼號1Cr132Cr133Cr133Cr13Mo4Cr13C≤0.150.16~0.250.26~0.350.26~0.350.36~0.45Si≤1.00≤1.00≤1.00≤0.80≤0.60Mn≤1.00≤1.00≤1.00≤1.00≤0.80P≤0.035≤0.035≤0.035≤0.035≤0.035S≤0.030≤0.030≤0.030≤0.030≤0.030Cr11.5~13.512.0~14.012.0~14.012.0~14.012.0~14.0Ni≤0.60≤0.60≤0.60≤0.60≤0.60其它      Mo0.50~1