20G渗铝钢管焊接工艺及焊接接头性能研究  

Study on Welding Technology and Welded Joint's Properties of 20G Aluminized Steel Tube

作　　者：袁斌[1] 徐宏[1] 刘京雷[1] 张莉[1] 周建新[1] 

机构地区：[1]华东理工大学机械与动力工程学院,上海200237

出　　处：《压力容器》2007年第5期9-12,63,共5页Pressure Vessel Technology

摘　　要：采用氩电联焊断弧工艺对20G渗铝钢管(Φ25 mm)进行焊接,并对渗铝钢管焊接接头的微观结构、焊缝附近元素分布、焊接工艺评定和抗高温氧化性等进行试验研究。试验结果表明:采用氩电联焊,A312SL焊条盖面、手工电弧焊断弧焊接工艺、合理的坡口焊接20G渗铝钢管,可满足渗铝钢焊后的使用要求。Welding 20G Aluminized steel tube （Φ25 mm） by argon arc welding and arc welding method with arc breaking technology, researching the metallurgical structure, element distribution near fusion line, welding procedure qualification and high temperature oxidation resisting property of weld joint, the results show that： welding 20G Aluminized steel with A312SL welding electrode, argon arc welding and arc welding method with arc breaking technology, proper groove, can satisfy the requirements of aluminized steel after welding.

关 键 词：渗铝钢 焊接 微观结构 接头性能 

分 类 号：TG113.26[金属学及工艺—物理冶金]