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| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Cu(%) | 0.16-0.23 | 0.16-0.23 | 0.16-0.23 | 0.16-0.23 | 0.16-0.23 | 0.16-0.23 | 0.16-0.23 | 0.16-0.23 | 0.16-0.23 | 0.16-0.23 |
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Structural Steels with Specified Hardenability Bands
| Steel Type | Standard | Country Code | C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | ≦0.03 | ≦0.35 | ≦0.25 | SMn420H | 11999 | CNS | 0.16-0.23 | 0.15-0.35 | 1.15-1.55 | ≦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 | SMn420H | G4052 | JIS | 0.16-0.23 | 0.15-0.30 | 1.15-1.55 | ≦0.03 | ≦0.03 | ≦0.35 | ≦0.25 | 1320 | A304 | AISI | 0.18-0.23 | 0.2-0.35 | 1.6-1.9 | ≦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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| 34Mn5 | 3415 | 5132H | 3310 | 50CrMo4 | 4130 | SF55A | SCM418H | 5120H | SNC836 | SNCM415 | 18Cr2Ni4WA | SCM432 | 1345 | 3310 | 36NiCr10 | SMn420H | 3415 | SMnC433H | SMnC433H |
| HBSC2 | SCW49 | 45Mn2 | CuZn30 | 35Cr | SNB21-4 | SC480 | A3003TW | SNB21-3 | TB480 |