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| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Cu(%) | 0.39-0.40 | 0.39-0.40 | 0.39-0.40 | 0.39-0.40 | 0.39-0.40 | 0.39-0.40 | 0.39-0.40 | 0.39-0.40 | 0.39-0.40 | 0.39-0.40 |
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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 | SMn443H | 11999 | CNS | 0.39-0.40 | 0.15-0.35 | 1.3-1.7 | ≦0.03 | ≦0.03 | ≦0.35 | ≦0.25 | 45Mn2 | 3077 | GB | 0.42-0.49 | 0.17-0.37 | 1.4-1.8 | ≦0.035 | ≦0.03 | ≦0.35 | ≦0.25 | SMn443H | G4052 | JIS | 0.39-0.40 | 0.15-0.35 | 1.3-1.7 | ≦0.03 | ≦0.03 | ≦0.35 | ≦0.25 | 1345 | A304 | AISI | 0.43-0.48 | 0.15-0.35 | 1.6-1.9 | ≦0.035 | ≦0.03 | ≦0.35 | ≦0.25 |
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| 1345 | 3310 | 36NiCr10 | SMn420H | 3415 | SMnC433H | SNCM415H | 4137 | 1330 | 34Cr4 | 37CrS4 | SCM445H | SCM430 | 4137H | SCM435 | 5140H | 20Cr4 | 5130 | 30CrNi3 | 30CrNi3 |
| ZDC2 | ClassA | C122CP/C1221R | TP1 | ZDC1 | SMn420 | Gr.WC6 | Class 1 | SNC631 | 1100 |