产品名称
牌号
屈服强度/Mpa
抗拉强度/Mpa
断后伸长率/%
低碳钢
DX51D+Z
≤360
≤440
≥20
DX52D+Z
≤260
300-390
≥28
无间隙原子钢
DX53D+Z
≤200
270-320
≥38
DX54D+Z
≤180
270-310
≥40
结构钢
S250GD+Z
≥250
≥330
≥19
S350GD+Z
≥350
≥420
≥16
S450GD+Z
≥450
≥510
≥14
S550GD+Z
≥550
≥560
/
