Low welding crack susceptibility high strength steel plates 低焊接裂纹敏感性高强度钢板
2.
The whole name of this steel is lower weld crack sensitivity steel o7mncrmov ( shorted as wdl ) 该钢种的全称为低焊接裂纹敏感性07mncrmov系列钢（简称wdl钢） 。
3.
Wdl is a certain steel which has lower sensitivity to weld cold crack and need not or a little warm - up before weld 国产wdl钢种是一种对焊接冷裂纹敏感性低、焊接前不要预热或稍加预热而不产生焊接冷裂纹的钢板。
