| Element | Content |
|---|---|
| C | 0.20 max Mn 0.40-2.10 Si 0.80 max P 0.030 max S 0.025 max Nb 0.06 max V 0.13 max Ti 0.20 max Mo 0.70 max Cr 1.00 max Ni 1.00 max B 0.005 max (higher grades lean to lower C and more direct quenching&tempering) |
Yield 800 MPa min Tensile 870-1070 MPa Elongation 13% min
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