Cu |
Si |
Mn |
P |
Pb |
Fe+Al+Ni+Zn |
>95.0 |
≤0.50 |
≤3.00 |
≤0.30 |
≤0.02 |
≤0.50 |
試驗(yàn)項(xiàng)目 |
Rm/MPa |
A(%) |
保證值 |
≥170 |
≥20 |