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| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | 0.25-0.32 | 0.25-0.32 | 0.25-0.32 | 0.25-0.32 | 0.25-0.32 | 0.25-0.32 | 0.25-0.32 | 0.25-0.32 | 0.25-0.32 | 0.25-0.32 |
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Structural Steels with Specified Hardenability Bands
| Steel Type | Standard | Country Code | C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | ≦0.035 | ≦0.3 | ≦0.3 | 30Mn2 | 3077 | GB | 0.27-0.34 | 0.17-0.37 | 1.4-1.8 | ≦0.035 | ≦0.035 | ≦0.3 | ≦0.3 | 1330 | A304 | AISI | 0.28-0.33 | 0.15-0.35 | 1.6-1.9 | ≦0.035 | ≦0.035 | ≦0.3 | ≦0.3 | 28Mn6 | 17200 | DIN | 0.25-0.32 | ≦0.4 | 1.30-1.65 | ≦0.035 | ≦0.035 | ≦0.3 | ≦0.3 | 30Mn5 | 17200 | DIN | 0.27-0.34 | 0.15-0.40 | 1.2-1.5 | ≦0.035 | ≦0.035 | ≦0.3 | ≦0.3 | 34Mn5 | 17200 | DIN | 0.30-0.37 | 0.15-0.30 | 1.2-1.5 | ≦0.035 | ≦0.035 | ≦0.3 | ≦0.3 | 36Mn5 | 17200 | DIN | 0.32-0.40 | 0.15-0.35 | 1.2-1.5 | ≦0.035 | ≦0.035 | ≦0.3 | ≦0.3 | 1335 | - | AISI | 0.33-0.38 | 0.15-0.35 | 1.6-1.9 | ≦0.035 | ≦0.035 | ≦0.3 | ≦0.3 | 1536 | - | AISI | 0.30-0.37 | 1.2-1.5 | ≦0.04 | ≦0.035 | ≦0.3 | ≦0.3 | 1330 | - | AISI | 0.28-0.33 | 0.15-0.30 | 1.6-1.9 | ≦0.035 | ≦0.035 | ≦0.3 | ≦0.3 |
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| SCr420 | SNC631 | SCr445 | 16CrMo4 | 34Mn5 | 3415 | 5132H | 3310 | 50CrMo4 | 4130 | SF55A | SCM418H | 5120H | SNC836 | SNCM415 | 18Cr2Ni4WA | SCM432 | 1345 | 1345 |
| G-CuPb10Sn | SCH21 | SUS440C | GCr6 | AC4C | GGL-NiSi-Cr20-5-3 | C74500 | ZG240-450B | C53400 | 303 |