牌号 |
力学性能
|
||
屈服强度
|
抗拉强度(σb/MPa)
|
伸长率(δ5/%)
|
|
Q215
|
215
|
335-450
|
≧29(a>40-60mm)≧,≧30(a>16-40mm),≧29(a>40-60mm),≧28(a>60-100mm),≧27(a>100-150mm),≧26(a>150mm)
|