0Cr25Ni20耐热不锈钢管与T2紫铜的焊接工艺试验  

Welding Process Test of 0Cr25Ni20 Heat-Resistant Stainless Steel Pipe and T2 Purple Copper

作　　者：杨万全 刘国海 YANG Wan-quan;LIU Guo-hai(Gansu Jiugang Group Western Heavy Industry Co.,Ltd,jiayuguan 735100,Gansu,China)

机构地区：[1]甘肃酒钢集团西部重工股份有限公司,甘肃嘉峪关735100

出　　处：《机械研究与应用》2024年第6期129-132,135,共5页Mechanical Research & Application

摘　　要：针对0Cr25Ni20耐热不锈钢管和T2紫铜焊接过程中因出现焊接热裂纹及内部气孔而使焊接接头质量无法保证的问题,该文采用手工钨极氩弧焊焊接技术,通过合理的焊接材料选择、焊前预先加热处理方式选用、焊缝层间温度控制以及后续焊后保温等多种方法,成功避免了焊接热裂纹及气孔的产生,获得了高质量的焊接接头,并在实际产品结构焊接应用中取得显著效果。In response to the problem that welding hot cracks and internal pores are prone to occur during the welding process of 0Cr25Ni20 heat-resistant stainless steel pipes and T2 purple copper,which affects the quality of welding joints,the manual tungsten inert gas welding technology is adopted,and various methods such as reasonably selecting the welding materials,pre heating treatment before welding,controlling the interlayer temperature of the weld seam,and subsequent post welding insulation are adopted to successfully avoid the occurrence of welding hot cracks and pores.Finally high-quality welding joints are obtained,and it has achieved significant results in the practical product structure welding application.

关 键 词：焊接 钨极氩弧焊 热裂纹 焊缝 

分 类 号：TG457.1[金属学及工艺—焊接]