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| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Cu(%) | 0.17-0.23 | 0.17-0.23 | 0.17-0.23 | 0.17-0.23 | 0.17-0.23 | 0.17-0.23 | 0.17-0.23 | 0.17-0.23 | 0.17-0.23 | 0.17-0.23 |
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Carbon Steels and Manganese Steels for Machine Structural use
| Steel Type | Standard | Country Code | C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | ≦0.03 | ≦0.35 | ≦0.25 | SMn420 | 4445 | CNS | 0.17-0.23 | 0.15-0.35 | 1.2-1.5 | ≦0.03 | ≦0.03 | ≦0.35 | ≦0.25 | 20Mn2 | 3077 | GB | 0.17-0.24 | 0.17-0.37 | 1.4-1.8 | ≦0.035 | ≦0.03 | ≦0.35 | ≦0.25 | SMn420 | G4106 | JIS | 0.17-0.23 | 0.15-0.35 | 1.15-1.55 | ≦0.03 | ≦0.03 | ≦0.35 | ≦0.25 | 1320 | - | AISI | 0.18-0.23 | 0.20-0.35 | 1.6-1.9 | ≦0.04 | ≦0.03 | ≦0.35 | ≦0.25 | 1522 | - | AISI | 0.17-0.25 | 0.11-0.35 | 1.1-1.4 | ≦0.04 | ≦0.03 | ≦0.35 | ≦0.25 | 20Mn5 | 17200 | DIN | 0.17-0.23 | 0.3-0.6 | 1.0-1.3 | ≦0.035 | ≦0.03 | ≦0.35 | ≦0.25 |
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| 1320 | 70Mn | 40Mn2 | 40Mn | S35C | SMn420H | 1541H | 1026 | 35Mn2 | 35Mn | C35 | 1335 | SMn420 | 1050 | 46Mn7 | 1019 | Ck35 | 50Mn | C40 | C40 |
| G-CuZn25Al5 | KTB400-05 | SCMnH2 | SCr445 | A5083S | 20CrMo5 | NCF750B | SNB24-4 | C1720B | MgMn2 |