工艺因素对3.5%Ni钢焊接接头性能影响的分析  

Analysis on influence of Process Factors upon Performance of Welded Joint of 3. 5% Ni Steel

作　　者：马夏康 方晓斌 

机构地区：[1]浙江省锅炉压力容器检验所,浙江省杭州市310020 [2]浙江省水利水电高等专科学校,浙江省杭州市310016

出　　处：《石油工程建设》1999年第5期16-19,共4页Petroleum Engineering Construction

摘　　要：结合引进 ３．５％ Ｎｉ材质低温装置容器焊缝裂纹的返修，从坡口型式、坡口加工方法、焊接规范、预热温度和层间温度控制、焊后热处理等方面对影响 ３． ５％ Ｎｉ钢焊接接头低温性能的工艺因素进行研究探讨，提出了合理的返修工艺方案。In accordance with repair of welding cracking in low temperature vessel of 3. 5 % Ni steel this paper introduces study on process factors Including slope type, slope cutting, welding specification, preheating, including layer temperature control and heat treatment after welding upon low temperature performance of the welded joint. It also provides a reasonable repairing plan.

关 键 词：冷冻罐 焊缝 工艺 韧性 焊接 化工设备 

分 类 号：TQ053.206[化学工程]