钢管2024，Vol.53Issue(4)：66-70,5.DOI:10.19938/j.steelpipe.1001-2311.2024.4.66.70
17-4PH不锈钢管件热切割和焊接加工裂纹分析
Analysis of Cracking Occurring in Hot Cutting and Welding Processing of 17-4PH Stainless Steel Pipe Fitting
王容成 1胡顺忠2
作者信息
- 1. 成都企信步高管理咨询有限公司,四川 成都 610306
- 2. 成都军区善后办公室,四川 成都 610000
- 折叠
摘要
Abstract
Due to having low C content,medium Ni content and fine lath ageing martensite with proper post-heat treatment toughness,the 17-4PH martensite precipitation-hardened stainless steel should have presented fine hot-cutting ability and weldibility in the hot-working state.However during the actual hot-working process,this steel is prone to develop crack defects when being subjected to hi-energy rate hot-cutting and welding.Thanks to analyzing the principle of occurrence of cracks with the said 17-4PH stainless steel during the plasma hot-cutting process and the welding operation,the hot-process of the work piece is traced and analyzed,and then causes for occurrence of cracks with the said stainless steel during the above mentioned hot-cutting and welding processes are identified.Accordingly relevant measures have been taken to get the said cracks avoided.关键词
不锈钢管件/17-4PH/焊接性/热切割裂纹/焊接裂纹Key words
stainless steel pipe fitting/17-4PH/weldibility/hot-cutting-caused crack/welding-caused crack引用本文复制引用
王容成,胡顺忠..17-4PH不锈钢管件热切割和焊接加工裂纹分析[J].钢管,2024,53(4):66-70,5.
