Q255 B
Chemical composition(mass fraction)(wt.%)
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Cu(%) |
---|---|---|---|---|---|---|---|
0.18~0.28 | ≤0.30 | 0.40~0.70 | 0.045 | 0.045 | ≤0.30 | ≤0.30 | ≤0.30 |
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Cu(%) |
---|---|---|---|---|---|---|---|
0.18~0.28 | ≤0.30 | 0.40~0.70 | 0.045 | 0.045 | ≤0.30 | ≤0.30 | ≤0.30 |