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| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cu(%) | 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 | 0.85-1.20 | ≦0.25 | SCr420H | 11999 | CNS | 0.17-0.23 | 0.15-0.35 | 0.6-1.0 | ≦0.03 | ≦0.03 | 0.85-1.20 | ≦0.25 | 20Cr | 3077 | GB | 0.18-0.24 | 0.17-0.37 | 0.40-0.70 | ≦0.035 | ≦0.03 | 0.85-1.20 | ≦0.25 | SCr420H | G4052 | JIS | 0.17-0.23 | 0.15-0.35 | 0.6-1.0 | ≦0.03 | ≦0.03 | 0.85-1.20 | ≦0.25 | 5120H | A304 | ASTM | 0.17-0.23 | 0.15-0.35 | 0.6-1.0 | ≦0.035 | ≦0.03 | 0.85-1.20 | ≦0.25 | 5120H | - | AISI | 0.17-0.23 | 0.15-0.35 | 0.6-1.0 | ≦0.035 | ≦0.03 | 0.85-1.20 | ≦0.25 | 20Cr4 | 17210 | DIN | 0.17-0.24 | ≦0.4 | 0.50-1.37 | ≦0.035 | ≦0.03 | 0.85-1.20 | ≦0.25 | 20MnCr5 | 17210 | DIN | 0.17-0.22 | ≦0.4 | 1.0-1.4 | ≦0.035 | ≦0.03 | 0.85-1.20 | ≦0.25 |
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| 20Cr4 | 5130 | 30CrNi3 | SNC836 | 3435 | 30Mn5 | 14NiCr10 | 5147 | SMn443H | SCr420H | SCr420 | 5120 | SNC815H | 41CrS4 | SCM822H | 20CrMn | 40Cr | 14NiCr10 | 2245 | 2245 |
| Gr.1 | SG325 | AlMg4.5Mn | SBV3 | GGG-40 | 383.0(SC102A) | SEV295 | SQV1B | 3316 | C85700 |