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| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Cu(%) | Yield stress (Mpa) | Tensile stress (Mpa) | 0.17-0.24 | 0.17-0.24 | 0.17-0.24 | 0.17-0.24 | 0.17-0.24 | 0.17-0.24 | 0.17-0.24 | 0.17-0.24 | 0.17-0.24 | 0.17-0.24 |
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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 | SMn420 | 4445 | CNS | 0.17-0.23 | 0.15-0.35 | 1.2-1.5 | ≦0.03 | ≦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 |
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| 4118H | SCM418 | 50Mn2 | SCr420 | SNC631 | SCr445 | 16CrMo4 | 34Mn5 | 3415 | 5132H | 3310 | 50CrMo4 | 4130 | SF55A | SCM418H | 5120H | SNC836 | SNCM415 | SNCM415 |
| NCF750B | MDC1B | AC4D | CuNi18Zn20 | HBSC3 | G-X40Ni-CrSi35-2-5 | M4 | C5212W | AM100A | C1020T |