铸钢件化学成分标准

Q/SXB-04-2005-09牌 号SCSiMn2HSCSIMn1HSCSiMn34HSC450WSC450WLSC0WZG40Mn2ZG42SiMnZG200-400(ZG15)ZG230-450(ZG25)ZG270-500(ZG35)ZG310-570(ZG45)ZG320-0(ZG55)31Si2CrMoBSCMnCrMoBSCMnCrMo230SiMn15MnQ275SCMn3BZG35MnC0.40-0.470.28-0.350.30-0.370.15-0.250.13-0.170.12-0.180.37-0.440.37-0.440.12-0.220.22-0.320.32-0.420.42-0.520.52-0.620.27-0.350.27-0.340.28-0.340.25-0.350.12-0.190.28-0.380.30-0.400.32-0.40Si0.30-0.800.30-0.800.30-0.800.30-0.600.30-0.600.30-0.600.17-0.370.60-0.800.20-0.450.20-0.450.20-0.450.20-0.450.20-0.451.50-1.900.30-0.600.3-0.50.60-0.800.17-0.37≤0.350.30-0.600.17-0.37Mn0.70-1.400.70-1.401.20-1.900.5-0.800.80-1.001.4-1.71.2-1.601.1-1.400.35-0.650.50-0.800.50-0.800.50-0.800.5-0.800.30-0.701.0-1.401.35-1.551.0-1.400.70-1.00.5-0.801.00-1.300.70-1.00S、PNiCr≤0.30≤0.30≤0.30≤0.30≤0.30≤0.30≤0.30Mo≤0.30≤0.30≤0.30≤0.15≤0.15≤0.15Sn≤0.05≤0.07≤0.06≤0.10≤0.10≤0.10Al0.03-0.080.03-0.080.03-0.080.03-0.080.03-0.080.03-0.08Cu≤0.30≤0.30≤0.30≤0.30≤0.30≤0.30DI50-7045-6570-92备 注 ≤0.035≤0.50 ≤0.035≤0.50 ≤0.035≤0.50 ≤0.035≤0.50 ≤0.035≤0.50≤0.035≤0.50 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.025≤0.030≤0.04 ≤0.035 ≤0.045≤0.040≤0.035≤0.250.50-0.800.05-0.20.5-0.700.15-0.250.35-0.550.25-0.35≤0.25