C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | 0.38-0.45 | 0.38-0.45 | 0.38-0.45 | 0.38-0.45 | 0.38-0.45 | 0.38-0.45 | 0.38-0.45 | 0.38-0.45 | 0.38-0.45 | 0.38-0.45 |
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Chromium Steels for Machine Structural use
Steel Type | Standard | Country Code | C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | ≦0.04 | 0.9-1.2 | ≦0.25 | 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 | 40Cr | 3077 | GB | 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | ≦0.035 | ≦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 | 0.9-1.2 | ≦0.25 | 2245 | - | AISI | 0.38-0.45 | 0.15-0.40 | 0.60-0.90 | ≦0.035 | ≦0.04 | 0.9-1.2 | ≦0.25 | 41Cr4 | 17200 | DIN | 0.37-0.45 | 0.15-0.40 | 0.50-0.80 | ≦0.035 | ≦0.04 | 0.9-1.2 | ≦0.25 | 41CrS4 | 17210 | DIN | 0.38-0.45 | 0.15-0.40 | 0.50-0.80 | ≦0.035 | ≦0.04 | 0.9-1.2 | ≦0.25 |
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5140H | 37Cr4 | 35Cr | 15Cr3 | 15Cr | 5145 | SCr435 | 30Cr | 20Cr | 34Cr4 | SCr435H | SCr440H | SCr430H | 5135H | 5130H | 41Cr4 | SCr440H | 5140H | 20Cr4 | 20Cr4 |
FCD500-7 | MB2 | SCMnCr-M3A | SCNCr-M2B | GGL-NiSi-Cr30-5-5 | SFVQ3 | 1070 | SPA-H | Class 1 | SPA-C |