| Steel Type | Standard | Country Code | C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | 15Cr | 3077 | GB | 0.12-0.18 | 0.17-0.37 | 0.40-0.70 | ≦0.035 | ≦0.035 | 0.7-1.0 | ≦0.30 | 15Cr3 | 17210 | DIN | 0.12-0.18 | 0.15-0.40 | 0.40-0.60 | ≦0.035 | ≦0.035 | 0.4-0.7 | 20Cr | 3077 | GB | 0.18-0.24 | 0.17-0.37 | 0.40-0.70 | ≦0.035 | ≦0.035 | 0.7-1.0 | ≦0.30 | 30Cr | 3077 | GB | 0.27-0.34 | 0.17-0.37 | 0.50-0.80 | ≦0.035 | ≦0.035 | 0.8-1.1 | ≦0.30 | 34Cr4 | 17200 | DIN | 0.30-0.37 | 0.15-0.40 | 0.60-0.90 | ≦0.035 | ≦0.035 | 0.90-1.2 | 35Cr | 3077 | GB | 0.32-0.39 | 0.17-0.37 | 0.50-0.80 | ≦0.035 | ≦0.035 | 0.89-1.10 | ≦0.30 | 37Cr4 | 17200 | DIN | 0.34-0.41 | 0.15-0.40 | 0.60-0.90 | ≦0.035 | ≦0.035 | 0.9-1.2 | 40Cr | 3077 | GB | 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | ≦0.035 | ≦0.035 | 0.8-1.1 | ≦0.30 | 41Cr4 | 17200 | DIN | 0.37-0.45 | 0.15-0.40 | 0.50-0.80 | ≦0.035 | ≦0.035 | 0.9-1.2 | 45Cr | 3077 | GB | 0.42-0.49 | 0.17-0.37 | 0.50-0.80 | ≦0.035 | ≦0.035 | 0.80-1.10 | ≦0.30 | 50Cr | 3077 | GB | 0.47-0.54 | 0.17-0.37 | 0.50-0.80 | ≦0.035 | ≦0.035 | ≦0.30 | ≦0.30 | SCr415 | 3231 | CNS | 0.13-0.18 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | 0.9-1.2 | ≦0.25 | SCr415 | G4104 | JIS | 0.13-0.18 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | 0.9-1.2 | ≦0.25 | SCr420 | 3231 | CNS | 0.18-0.23 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | 0.9-1.2 | ≦0.25 | SCr420 | G4104 | JIS | 0.18-0.23 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | 0.9-1.2 | ≦0.25 | 5120 | - | AISI | 0.17-0.22 | 0.15-0.30 | 0.7-0.9 | ≦0.035 | ≦0.04 | SCr430 | 3231 | CNS | 0.28-0.33 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | 0.9-1.2 | ≦0.25 | SCr430 | G4104 | JIS | 0.28-0.33 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | 0.9-1.2 | ≦0.25 | 5130 | - | AISI | 0.28-0.33 | 0.15-0.30 | 0.70-0.90 | ≦0.035 | ≦0.04 | 0.8-1.1 | 5132 | - | AISI | 0.30-0.35 | 0.15-0.30 | 0.60-0.80 | ≦0.035 | ≦0.04 | 0.75-1.00 | SCr435 | 3231 | CNS | 0.33-0.38 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | 0.90-1.2 | ≦0.25 | SCr435 | G4104 | JIS | 0.33-0.38 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | 0.90-1.2 | ≦0.25 | 5135 | - | AISI | 0.33-0.38 | 0.15-0.30 | 0.60-0.80 | ≦0.035 | ≦0.04 | 0.80-1.05 | SCr440 | 3231 | CNS | 0.38-0.43 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.04 | 0.9-1.2 | ≦0.25 | SCr440 | G4104 | JIS | 0.38-0.43 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.04 | 0.9-1.2 | ≦0.25 | 5140 | - | AISI | 0.38-0.43 | 0.15-0.30 | 0.70-0.90 | ≦0.035 | ≦0.04 | 0.7-0.9 | 2245 | - | AISI | 0.38-0.45 | 0.15-0.40 | 0.60-0.90 | ≦0.035 | 0.02-0.04 | 0.9-1.2 | 41CrS4 | 17210 | DIN | 0.38-0.45 | 0.15-0.40 | 0.50-0.80 | ≦0.035 | ≦0.035 | 0.90-1.20 | SCr445 | 3231 | CNS | 0.43-0.48 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | 0.90-1.20 | ≦0.25 | SCr445 | G4104 | JIS | 0.43-0.48 | 0.15-0.35 | 0.60-0.85 | ≦0.03 | ≦0.03 | 0.90-1.20 | ≦0.25 | 
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