by analyzing the relation of microstructure, weld zone quality and tensile property, it is concluded that the welding technological parameter of l245 steel is the main factor of the welding crack.
通过分析l245钢埋弧焊焊缝区质量、微观组织和拉伸性能关系表明,焊接工艺参数的合理制定是低合金钢l245焊管产生裂纹等缺陷的关键因素。