ГОСТ 4ΧΜΗΦC
Chemical composition(mass fraction)(wt.%)
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | V(%) | W(%) | Cu(%) | Ti(%) | Other(%) |
---|---|---|---|---|---|---|---|---|---|---|---|---|
0.35-0.42 | 0.70-1.00 | 0.15-0.40 | ≤0.003 | ≤0.003 | 1.25-1.55 | 1.20-1.60 | 0.65-0.85 | 0.35-0.50 | ≤0.20 | ≤0.30 | ≤0.03 | Zr:0.03-0.09,B:0.002-0.004 |