ГОСТ Р18
Chemical composition(mass fraction)(wt.%)
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | V(%) | W(%) | Cu(%) | Co(%) |
---|---|---|---|---|---|---|---|---|---|---|---|
0.73-0.83 | 0.20-0.50 | 0.20-0.50 | ≤0.030 | ≤0.030 | 3.80-4.40 | 17.0-18.5 | ≤1.00 | 1.00-1.40 | 17.0-18.5 | ≤0.25 | ≤0.50 |
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | V(%) | W(%) | Cu(%) | Co(%) |
---|---|---|---|---|---|---|---|---|---|---|---|
0.73-0.83 | 0.20-0.50 | 0.20-0.50 | ≤0.030 | ≤0.030 | 3.80-4.40 | 17.0-18.5 | ≤1.00 | 1.00-1.40 | 17.0-18.5 | ≤0.25 | ≤0.50 |