N06022镍基合金半管夹套的焊接  

Welding of N06022 nickel base alloy half pipe jacket

作　　者：刘玉祥 LIU Yu-xiang(Morimatsu(Jiangsu)Heavy Industry Co.,Ltd.Shanghai Branch.Shanghai 201323,China)

机构地区：[1]森松(江苏)重工有限公司上海分公司,上海201323

出　　处：《锅炉制造》2021年第5期49-52,共4页Boiler Manufacturing

摘　　要：本文阐述了N06022镍基合金的焊接特性,分析了不开坡口角焊缝,开内坡口全焊透角焊缝、开外坡口全焊透角焊缝的优缺点以及介绍了半管最小间距的要求。产品半管焊接前,对焊工进行了GTAW焊接方法的MOCK-UP试验,对MOCK-UP焊接试板进行无损检测、宏观试验、微观试验、角焊缝有效厚度检测、角焊缝弯曲试验,各试验项目合格。经MOCK-UP试验考试合格的焊工对产品进行焊接,保证了N06022镍基合金半管的产品质量。This paper describes the welding characteristics of N06022 nickel base alloy,analyzes the advantages and disadvantages of non-beveled fillet weld,full penetration fillet weld with internal groove and full penetration fillet weld with external groove,and introduces the requirements of minimum distance between half pipe.Before half pipe welding,the welder was tested by MOCK-UP of GTAW welding method,and the MOCK-UP welding plate were tested by NDT,macro test,micro test,effective thickness test of fillet weld and bending test of fillet weld,and all indexes were qualified.The welder who has passed the MOCK-UP test has welded the product to ensure the product quality of N06022 nickel base alloy half pipe.

关 键 词：N06022镍基合金 半管 坡口 GTAW MOCK-UP 

分 类 号：TG444[金属学及工艺—焊接]