ГОСТ Р2АМ9К5
Chemical composition(mass fraction)(wt.%)
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | V(%) | W(%) | N(%) | Cu(%) | Co(%) | Nb(%) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1.00-1.10 | 0.20-0.50 | 0.20-0.50 | ≤0.030 | ≤0.030 | 4.70-5.20 | ≤0.60 | 8.00-9.00 | 1.70-2.10 | 1.50-2.00 | 0.05-0.10 | ≤0.25 | 4.70-5.20 | 0.05-0.10 |