Author(s): Ma Zhengwei, Liu Bing, Wang Liangyan
Pages: 25
Year: 2009 Issue:  1
Journal: Heavy Casting and Forging
Keyword:  焊管; 带状组织; 非金属夹杂物;
Abstract: 材质为H40的钢带焊接成圆管之后,做压力试验时发生开裂现象.通过理化分析表明:导致钢带塑性低和开裂的主要原因是数量多并且级别高的非金属夹杂物(硫化物)和严重的带状组织.