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| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Cu(%) | 0.43-0.48 | 0.43-0.48 | 0.43-0.48 | 0.43-0.48 | 0.43-0.48 | 0.43-0.48 | 0.43-0.48 | 0.43-0.48 | 0.43-0.48 | 0.43-0.48 |
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Chromium Steels for Machine Structural use
| Steel Type | Standard | Country Code | C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | ≦0.03 | 0.90-1.20 | ≦0.25 | 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 | 45Cr | 3077 | GB | 0.42-0.49 | 0.17-0.37 | 0.50-0.80 | ≦0.035 | ≦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 | 5147 | - | AISI | 0.46-0.51 | 0.15-0.35 | 0.70-0.95 | ≦0.035 | ≦0.03 | 0.90-1.20 | ≦0.25 |
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| 15Cr3 | 15Cr | 5145 | SCr435 | 30Cr | 20Cr | 34Cr4 | SCr435H | SCr440H | SCr430H | 5135H | 5130H | 41Cr4 | SCr440H | 5140H | 20Cr4 | 5130 | SCr415H | 50Cr | 50Cr |
| 08F | SNC815 | A7075P | SF45A | LCC | GTS-70-02 | II 020%-CrMo-LC | 20g | ZG0Cr18-Ni12Mo2Ti | SCS17 |