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以孟买地铁1号线不锈钢车体中的环焊接头为例,分析了奥氏体不锈钢SUS301L和低碳钢S500MC异种钢焊接时的焊接特点及焊接中的各种缺陷,并提出工艺改进措施。
In this paper, the welding characteristics of the austenitic stainless steel SUS301L and the mild steel S500MC dissimilar steel are analyzed with the example of the girth welded joint in the stainless steel body of Mumbai Metro Line 1. Various defects in the welding process are also analyzed.