核级焊材CHW-SEF3HR1/CHF703HR1的研制  

Development ofnuclear grade welding material CHW-SEF3HR1N/ CHF703HR1

作　　者：杨飞[1] 张毅 张其先 崔凡 杨宇国 段然 白昶 YANG Fei;ZHANG Yi;ZHANG Qixian;CUI FanYANG Yuguo;DUAN Ran;BAI Chang(Atlantic China Welding Consumables,INC,Zigong 643000,Sichuan,China;China General Nuclear Power Engineering Co.,Ltd.,Shenzhen,518124,China)

机构地区：[1]四川大西洋焊接材料股份有限公司,四川自贡643000 [2]中广核工程有限公司,深圳518124

出　　处：《机械制造文摘(焊接分册)》2024年第6期7-12,共6页Welding Digest of Machinery Manufacturing

基　　金：工业和信息化部“超超临界火电机组材料生产应用示范平台建设项目”(TC210H022)。

摘　　要：研制了CHW-SEF3HR1/CHF703HR1核级焊材,对该配套焊丝焊剂进行了组合焊接试验,通过渣系、碱度调整获得了性能满足核电工程低合金钢要求的焊接材料。新研制的CHF703HR1焊剂配合焊丝CHWSEF3HR1焊接工艺性能良好,焊接过程电弧稳定,脱渣良好,熔敷金属力学性能及低温冲击韧性均满足技术要求,完全适用核电工程蒸汽发生器低合金钢的焊接。The CHW-SEF3HR1/CHF703HR1 nuclear grade welding material was developed,and the combined welding test of the matching welding wire flux was carried out.The welding material with performance meeting the requirements of low alloy steel in nuclear power engineering was obtained by adjusting the slag system and alkalinity.The newly developed CHF703HR1flux with welding wire CHW-SEF3HR1has good welding process performance,stable arc and good deslagging in the welding process.The mechanical properties and low temperature impact toughness of the deposited metal meet the technical requirements,which is fully applicable to the welding of low alloy steel for steam generator in nuclear power engineering.

关 键 词：埋弧焊 焊剂 焊接材料 CHF703HR1 

分 类 号：TG47[金属学及工艺—焊接]