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| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Cu(%) | Yield stress (Mpa) | Tensile stress (Mpa) | 0.27-0.34 | 0.9-1.2 | 0.27-0.34 | ≦0.035 | ≦0.035 | 0.27-0.34 | 0.27-0.34 | 0.27-0.34 | 0.27-0.34 | 0.27-0.34 |
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Manganese Chromium Steels for Machine Structural use
| Steel Type | Standard | Country Code | C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | 30CrMnSi | 3077 | GB | 0.27-0.34 | 0.9-1.2 | 0.8-1.1 | ≦0.035 | ≦0.035 | 0.8-1.1 | ≦0.3 |
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| 20CrMn | SMnC420 | 5120H | 20MnCr5 | 5115 | 35CrMnSiA | 20Cr | 5120H | SCr420 | 5120 | 15CrMn | 30CrMnSi | SMnC420 | 20Cr4 | 16MnCr5 | 20CrMnSi | SCr420H | SCr420 | SCr420H | SCr420H |
| 9Cr18 | Gr.B | AZ31C | 40NiCr6 | SCH13A | C3560P/C3560R | C23000 | G-MgSE3Zn2Zr1 | C1020P/C1020R | 1060 |