船用高强钢表面镍基合金堆焊工艺

船用高强钢表面镍基合金堆焊工艺 Overlaying procedure of nickel base alloy on marine high-strength steel 王世达 WANG Shida 1 first-author 程尚华 CHENG Shanghua 1 李梅豹 LI Meibao 1 蓬莱巨涛海洋工程重工有限公司 蓬莱巨涛海洋工程重工有限公司 Penglai Jutal Offshore Engineering Heavy Industries Co.,Ltd. Penglai Jutal Offshore Engineering Heavy Industries Co.,Ltd. 针对在船用高强钢E36表面进行镍基合金Inconel 625的堆焊工艺进行了分析。采用手工钨极氩弧焊工艺,堆焊过程中严格控制焊接电流、电弧电压及焊接速度,保证较低的热输入以及较低的焊接层间温度。该工艺要求在清洁的焊接环境下,使用洁净的焊材进行填丝钨极氩弧焊,以获取优质的镍基合金堆焊层。为保证焊接质量,同时对合金堆焊的焊接过程控制提出了明确要求。通过试验确定了这种镍基合金堆焊的可靠工艺,指导现场进行生产。 In this paper,a overlaying procedure of nickel base alloy Inconel 625 on the surface of marine high strength steel E36 is analyzed. Manual GTAW is used,and the welding current,arc voltage and welding speed are strictly controlled to ensure low heat input in overlaying process. Meanwhile,the low interpass temperature is maintained in welding process. The GTAW with clean welding materials in a clean welding environment is required to obtain high quality nickel base alloy layer. In order to ensure the welding quality,the welding process control of alloy overlaying is clearly required. According to the test,this reliable overlaying procedure of nickel base alloy is confirmed,and is provided as a guideline for the production. 船用高强钢 Inconel 625镍基合金 钨极氩弧焊 堆焊 焊接工艺 marine high-strength steel nickel base alloy Inconel 625 GTAW overlaying welding procedure TG455;U671.8 2022-03-08 1 51