天津聚源天太钢铁022-26801886
|
力学性能:牌号 |
Mp |
Mp |
标距(mm) |
A% |
180°弯曲试验 |
冲击试验A J |
||
|
HG70 |
≥590 |
≥685 |
LO=50 |
≥17 |
d=2a |
≥40 |
||
|
|
Si |
Mn |
P |
S |
Mo |
Cr |
Nb |
B |
|
≤0.12 |
≤0.15-0.40 |
≤0.18 |
≤0.030 |
≤0.015 |
≤0.10-0.50 |
≤0.50 |
≤0.02-0.08 |
≤0.005 |
