双相不锈钢S22053埋弧焊焊接接头组织和性能研究  

Research on Microstructure and Performance of Submerged Arc Welding Joint of Duplex Stainless Steel S22053

作　　者：俞禄沅 杨有福 张佳杰 曹洋 刘永杰[1] 曹鑫[1] YU Lu-yuan;YANG You-fu;ZHANG Jia-jie;CAO Yang;LIU Yong-jie;CAO Xin(Lanpec Technologies Limited,Lanzhou 730070,China)

机构地区：[1]甘肃蓝科石化高新装备股份有限公司,甘肃兰州730070

出　　处：《石油化工设备》2024年第6期52-55,共4页Petro-Chemical Equipment

摘　　要：双相不锈钢埋弧焊焊接工艺在压力容器制造中未得到有效的开发和使用。分析了双相不锈钢的焊接性,对双相不锈钢S22053埋弧焊焊接接头的化学成分、组织及性能进行了试验研究。研究表明,采用埋弧焊焊接工艺,通过控制焊接线能量和层间温度保证两相比例,可确保焊接接头具有优良的各项性能,达到焊接工艺评定及使用要求。The submerged arc welding technology of duplex stainless steel has remained underdeveloped and underutilized in the field of pressure vessel manufacturing.This study examines the weldability of duplex stainless steel,investigating the chemical composition,microstructure,and properties of submerged arc welding joints in duplex stainless steel S22053 through experimental analysis.The findings of the research demonstrate that the submerged arc welding process can guarantee the exceptional characteristics of the welded joints by regulating the energy of the welding line and the temperature of the interlayer to guarantee the two-phase ratio,thus fulfilling the criteria for the evaluation of the welding process and its subsequent utilization.

关 键 词：双相不锈钢 埋弧焊 两相比例 线能量 组织 性能 

分 类 号：TG445[金属学及工艺—焊接]