Grade P S NiCu Al Ti B Max.Max.Max.Max.Min.Min.MIN.SWRCH6R 0.08MAX 0.60MAX0.040MAX 0.040MAX SWRCH8R 0.10MAX 0.60MAX 0.040MAX 0.040MAX SWRCH10R 0.08-0.130.30-0.600.040MAX 0.040MAX SWRCH12R 0.10-0.150.30-0.610.040MAX 0.040MAX SWRCH15R 0.13-0.180.30-0.620.040MAX 0.040MAX SWRCH17R 0.15-0.200.30-0.630.040MAX 0.040MAX SWRCH6A 0.08MAX 0.10MAX0.60MAX 0.030MAX 0.035MAX 0.02MIN SWRCH8A 0.10MAX 0.10MAX 0.60MAX 0.030MAX 0.035MAX 0.02MIN SWRCH10A 0.08-0.130.10MAX 0.30-0.600.030MAX 0.035MAX 0.02MIN SWRCH12A 0.10-0.150.10MAX 0.30-0.600.030MAX 0.035MAX 0.02MIN SWRCH15A 0.13-0.180.10MAX 0.30-0.600.030MAX 0.035MAX 0.02MIN SWRCH16A 0.13-0.180.10MAX 0.60-0.900.030MAX 0.035MAX 0.02MIN SWRCH18A 0.15-0.200.10MAX 0.60-0.900.030MAX 0.035MAX 0.02MIN SWRCH19A 0.15-0.200.10MAX 0.70-1.000.030MAX 0.035MAX 0.02MIN SWRCH20A 0.18-0.230.10MAX 0.30-0.600.030MAX 0.035MAX 0.02MIN SWRCH22A 0.18-0.230.10MAX 0.70-0.100.030MAX 0.035MAX 0.02MIN SWRCH25A 0.22-0.280.10MAX 0.30-0.600.030MAX 0.035MAX 0.02MINSWRCH10K 0.08-0.130.10-0.350.30-0.600.030MAX 0.035MAX SWRCH12K 0.10-0.150.10-0.350.30-0.600.030MAX 0.035MAX SWRCH15K 0.13-0.180.10-0.350.30-0.600.030MAX 0.035MAX SWRCH16K 0.13-0.180.10-0.350.60-0.900.030MAX 0.035MAX SWRCH17K 0.15-0.200.10-0.350.30-0.600.030MAX 0.035MAX SWRCH18K 0.15-0.200.10-0.350.60-0.900.030MAX 0.035MAX SWRCH20K 0.18-0.230.10-0.350.30-0.600.030MAX 0.035MAX SWRCH22K 0.18-0.230.10-0.350.70-1.000.030MAX 0.035MAX SWRCH24K 0.19-0.250.10-0.35 1.35-1.650.030MAX 0.035MAX SWRCH25K 0.22-0.280.10-0.350.30-0.600.030MAX 0.035MAX SWRCH27K 0.22-0.290.10-0.35 1.20-1.500.030MAX 0.035MAX SWRCH30K 0.27-0.330.10-0.350.60-0.900.030MAX 0.035MAX SWRCH33K 0.30-0.360.10-0.350.60-0.900.030MAX 0.035MAX SWRCH35K 0.32-0.380.10-0.350.60-0.900.030MAX 0.035MAX SWRCH38K 0.35-0.410.10-0.350.60-0.900.030MAX 0.035MAX SWRCH40K 0.37-0.430.10-0.350.60-0.900.030MAX 0.035MAX SWRCH41K 0.36-0.440.10-0.35 1.35-1.650.030MAX 0.035MAX SWRCH43K 0.40-0.460.10-0.350.60-0.900.030MAX 0.035MAX SWRCH45K 0.42-0.480.10-0.350.60-0.900.030MAX 0.035MAX SWRCH48K 0.45-0.510.10-0.350.60-0.900.030MAX 0.035MAX SWRCH50K0.47-0.530.10-0.350.60-0.900.030MAX0.035MAXCHEMICAL COMPOSITION(%) 化学成份(%)常用金属材料化学成分表Mo材质C SiMn CrGrade P S NiCu Al Ti B Max.Max.Max.Max.Min.Min. MIN.S10C 0.18-0.230.15-0.350.30-0.600.030MAX 0.035MAX S15C 0.13-0.180.15-0.350.30-0.600.030MAX 0.035MAX S20C 0.18-0.230.15-0.350.30-0.600.030MAX 0.035MAX S25C 0.22-0.280.15-0.350.30-0.600.030MAX 0.035MAX S40C 0.37-0.430.15-0.350.60-0.900.030MAX 0.035MAX S45C 0.37-0.430.15-0.350.60-0.900.030MAX 0.035MAX S50C 0.42-0.480.15-0.350.60-0.900.030MAX 0.035MAX S60C 0.47-0.530.15-0.350.60-0.900.030MAX 0.035MAX SCM 210.13-0.180.15-0.350.60-0.850.030MAX 0.030MAX 0.90-1.200.10-0.30SCM 4150.13-0.180.15-0.350.60-0.850.030MAX 0.030MAX 0.90-1.200.15-0.30SCM 4200.18-0.230.15-0.350.60-0.850.030MAX 0.030MAX 0.90-1.200.10-0.30SCM 4350.33-0.380.15-0.350.60-0.850.030MAX 0.030MAX 0.90-1.200.15-0.30SCM 4400.38-0.430.15-0.350.60-0.850.030MAX 0.030MAX 0.90-1.200.15-0.30SCM 435H 0.32-0.390.15-0.350.55-0.900.030MAX 0.030MAX 0.85-1.200.15-0.35SCM440H 0.37-0.440.15-0.350.55-0.900.030MAX 0.030MAX 0.85-1.200.15-0.35SNCM 2200.17-0.230.15-0.350.60-0.900.030MAX 0.030MAX 0.40-0.700.40-0.650.15-0.30V:0.35-0.43SNCM 4150.12-0.180.15-0.350.40-0.700.030MAX 0.030MAX 1.60-2.000.40-0.650.15-0.30SNCM 4390.36-0.430.15-0.350.60-0.900.030MAX 0.030MAX 1.60-2.000.60-1.000.15-0.30SNCM 447A 0.45-0.550.15-0.350.60-0.900.030MAX 0.030MAX 2.00-2.600.80-1.200.20-0.30v:0.015MAXSAE 41610.56-0.640.15-0.300.75-1.000.040MAX 0.035MAX 0.70-0.900.25-0.35SWC80C 0.74-0.810.15-0.350.60-0.900.030MAX 0.035MAX SWP-B 0.80-0.850.12-0.320.30-0.600.025MAX 0.025MAX 0.20MAXSWOSC-V 0.50-0.600.12-1.600.50-0.800.030MAX 0.030MAX 0.50-0.800.20MAX SWOCV-V 0.45-0.550.15-0.350.65-0.950.030MAX 0.030MAX 0.80-1.100.20MAXSUS 3040.08MAX 1.00MAX 2.00MAX 0.045MAX 0.30MAX 8.00-10.5018.00-20.00SUS 3160.08MAX 1.00MAX 2.00MAX 0.045MAX 0.30MAX 10.00-14.0016.00-18.00 2.00-3.00SUS 4100.15MAX 1.00MAX 1.00MAX 0.030MAX 0.040MAX 11.5-13.5SUS 4290.12MAX 1.00MAX 2.00MAX 0.040MAX 0.030MAX 14.0-16.0SUS 4310.20MAX 1.00MAX 1.00MAX 0.040MAX 0.030MAX 1.25-2.5015.0-17.0SUS 440C 0.95-1.20 1.00MAX 1.00MAX 0.040MAX 0.030MAX 16.0-18.00.75MAXSUS 6310.09MAX 1.00MAX 1.00MAX 0.040MAX 0.30MAX 7.00-8.5016.00-18.000.75-1.50SCH 130.20-0.50 2.0MAX 2.00MAX 0.040MAX 0.30MAX 11.0-14.024.0-28.0SKD 11 1.40-1.600.40MAX 0.60MAX 0.030MAX 0.030MAX 11.0-13.00.80-1.20V:0.20-0.50SKS 510.75-0.850.35MAX 0.50MAX 0.030MAX 0.030MAX 1.30-2.000.20-0.50SUH 3100.25MAX 1.5MAX 2.00MAX 0.030MAX 0.030MAX 19.0-22.024.0-26.0SKH9-M20.80-0.90 3.80-4.50 4.50-5.50W:5.50-6.70V:1.60-2.20304S 0.08MAX 1.0MAX 2.00MAX 0.045MAX 0.030MAX 8.00-12.0018.0-20.0316S 0.08MAX 1.00MAX 2.00MAX 0.045MAX 0.030MAX 10.0-14.016.0-18.0 2.00-3.00CF8M 0.08MAX 1.5MAX 1.5MAX 0.040MAX 0.040MAX 9.00-12.018.0-21.0 2.00-3.00316L0.030MAX1.00MAX0.20-2.000.030MAX0.040MAX10.0-14.016.0-18.02.00-3.00CHEMICAL COMPOSITION(%) 化学成份(%)材质C Si Mn Cr MoGrade P S NiCu Al Ti B Max.Max.Max.Max.Min.Min.MIN.4140C 0.38-0.430.20-0.350.75-1.000.040MAX 0.040MAX 0.80-1.100.15-0.256140C 0.38-0.430.15-0.300.70-0.900.035MAX 0.040MAX 0.80-1.10V:0.15MAX 6150C 0.48-0.530.20-0.350.70-0.900.035MAX 0.040MAX 0.80-1.10V:0.15MAX8620C 0.18-0.230.20-0.350.70-0.900.035MAX 0.040MAX 0.40-0.700.40-0.600.15-0.251.0619C 0.18-0.230.30-0.500.50-0.800.030MAX 0.020MAX 0.40MAX 0.30MAX 0.12MAX 0.30MAXV:0.15MAX1.4408C 0.07MAX 1.50MAX 1.50MAX 0.040MAX 0.030MAX 9.00-12.018.0-20.0 2.00-2.501.4409C 0.03MAX 1.50MAX 2.00MAX 0.035MAX 0.025MAX 9.00-12.018.0-20.02.00-2.5010B210.18-0.230.10MAX 0.70-1.000.03MAX 0.035MAX 10B300.28-0.340.15-0.350.70-1.000.03MAX 0.035MAX 10B330.32-0.360.15-0.350.70-1.000.03MAX 0.035MAX 0.000535ACr 0.35-0.390.10MAX 0.60-0.900.03MAX 0.03MAX 0.20-0.400.01MIN40ACr 0.40-0.440.10MAX 0.60-0.900.03MAX 0.03MAX 0.20-0.400.01MIN20Cr 0.18-0.240.17-0.370.50-0.800.0350.0350.30.80-1.000.340Cr0.37-0.440.17-0.370.50-0.800.0350.0350.30.80-1.000.3SPCD(08AL)0.12MAX 0.03MAX 0.65MAX 0.030MAX 0.035MAX 0.10.02-0.07SPCC 0.10MAX 0.05MAX 0.50MAX 0.035AMX 0.025MAX 0.02-0.07SGCC 0.08MAX 0.05MAX 0.50MAX 0.035MAX 0.025MAX 0.02-0.07SECC 0.12MAX 0.05MAX 0.50MAX 0.025MAX 0.025MAX 0.15MAX 0.15MAX 0.15MAX AS:0.05MAXSn:0.05MAX65Mn 0.62-0.700.17-0.370.90-1.200.035MAX 0.035MAX 0.30MAX 0.25MAX 0.25MAX 304H 0.04-0.101MAX 2MAX 8.00-11.0018-20 3.00-4.00GCR150.95-1.050.15-0.350.25-0.450.025MAX 0.025MAX 0.30MAX 1.40-1.650.10MAX0.25MAX45#0.42-0.500.17-0.370.50-0.80.035MAX 0.035MAX 0.30MAX 0.25MAX 70#0.61-0.750.17-0.370.50-0.800.035MAX 0.035MAX 0.30MAX 0.20MAX 0.25MAX 20MnTiB 0.19-0.240.30MAX 1.30-1.600.035MAX 0.025MAX0.20.20MAX0.20.020.04-0.100.0005-0.0035Q1950.06-0.120.30MAX 0.25-0.500.035MAX 0.040MAX Q2350.22MAX 0.35MAX 1.4MAX 0.045MAX 0.050MAX SK40.95-1.040.35MAX 0.40MAX 0.030MAX 0.035MAX0.20MAX/0.12MAX0.20MAX/0.30MAXSK50.80-0.900.10-0.350.10-0.500.030max 0.030max 0.20MAX 0.30MAXST120.10MAX 0.50MAX 0.035MAX 0.035MAX ST140.08MAX 0.40MAX 0.020MAX 0.030MAX 0.025MINML150.12-0.190.07MAX或0.17max0.20-0.500.035MAX 0.035MAX 0.020max 0.02max 0.020maxA60610.15-0.40.4-0.80.15MAX Fe:0.70max Mg:0.8-1.2Zn:0.25max 0.04-0.350.15maxH65Cu:63.5-68.0Pb:0.03MAX P:0.01MAX Fe:0.10MAX Sb:0.005MAX Bi:0.002MAX 杂质：0.3MAX WCB0.30MAX0.60MAX1.00MAX0.040MAX0.045MAX0.50MAX0.50MAX0.20MAX0.30MAX Cr MoCHEMICAL COMPOSITION(%) 化学成份(%)材质C Si Mn碳量高还会降低钢的耐大气腐蚀能力，在露天料场的高碳钢就易锈蚀；此外，碳能增加钢的冷脆性和时效敏感性。