混合气保护焊在阀门生产中的应用研究  

Application and research on mixed gas arc welding in valve production

作　　者：王德权[1] 苏志东[1] 

机构地区：[1]沈阳阀门研究所,辽宁沈阳110025

出　　处：《阀门》2003年第1期22-24,共3页VALVE MAGAZINE

摘　　要：叙述了采用熔化极氩弧焊工艺焊接铬镍奥氏体不锈钢易产生的缺陷及改进措施。研究证明 ,采用加有O2 的氩气作保护气 ,H0Cr2 0Ni1 0Ti作焊丝填充 ,A1 3The article describes imperfection caused by welding of austenitic Ni Cr steel with MIG welding process and its improving measures.Research shows that ideal joint can be obtained by adopting argon with O\-2 as protective atmosphere,H0Cr20Ni10Ti as welding wire and A 132 as cosmetic welding.

关 键 词：阀门 混合气保护焊 熔化极氩弧焊工艺 铬镍奥氏体不锈钢 

分 类 号：TG422.5[金属学及工艺—焊接]