储罐横向埋弧自动焊焊缝裂纹的防治措施  

Prevention and Treatment of Weld Cracks at Storage Tank Occurred in Transverse Arc Automatic Welding

作　　者：刘瑞祥[1] 张德文[1] 程铁军[1] 郎建春[1] 

机构地区：[1]中国石油天然气管道局第二工程分公司,江苏徐州221008

出　　处：《石油工程建设》2010年第2期44-46,共3页Petroleum Engineering Construction

摘　　要：储罐的焊接裂纹多数发生在横向埋弧自动焊的焊接过程中,文章分析了裂纹产生的原因,提出了控制裂纹的几项措施,并对裂纹的检验和处理进行了说明。Weld cracks at storage tanks occur mostly in the process of transverse submerged arc automatic welding.By linking theory with practice,the authors came to discover some laws why the cracks formed and how to prevent them,then put forward several measures to control the cracks and some methods for crack inspection and treatment.

关 键 词：储罐 横焊 环缝 焊接 热裂纹 防治 

分 类 号：TU972[建筑科学—建筑设计及理论] TG445[金属学及工艺—焊接]