C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | 0.48-0.53 | 0.48-0.53 | 0.48-0.53 | 0.48-0.53 | 0.48-0.53 | 0.48-0.53 | 0.48-0.53 | 0.48-0.53 | 0.48-0.53 | 0.48-0.53 |
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Structural Steels with Specified Hardenability Bands
Steel Type | Standard | Country Code | C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | ≦0.035 | ≦0.30 | ≦0.30 | 50Cr | 3077 | GB | 0.47-0.54 | 0.17-0.37 | 0.50-0.80 | ≦0.035 | ≦0.035 | ≦0.30 | ≦0.30 | 5150 | A304 | AISI | 0.48-0.53 | 0.15-0.35 | 0.7-0.9 | ≦0.035 | ≦0.035 | ≦0.30 | ≦0.30 |
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4135H | SNC631 | SCM430 | SCM432 | 12CrNi2 | SCM430 | Class D | 34CrMoS4 | 30CrMo | 1536 | SMn433H | SMn433H | SCr430H | 30CrNi3A | SNC815H | 1330 | SNCM420H | SCM822 | SCM418 | SCM418 |
C1720B | MS2 | MgAl3Zn | C2800BE/C2800BD | MDC1B | T8MnA | TU1 | FCANiCu-Cr15-6-3 | SCMn2A | TAP6400 |