哈氏合金(Hastelloy C-276)管道的焊接  

Hastelloy(Hastelloy-C-276) pipe welding technology

作　　者：孙万田[1] 

机构地区：[1]中国石化集团第五建设公司,甘肃兰州730060

出　　处：《电焊机》2011年第1期58-60,共3页Electric Welding Machine

摘　　要：为满足丙烯酸及脂(AA/AE)工程中的哈氏合金(Hastelloy C-276)管线对接接头在强腐蚀性介质中的工作条件,采用GTAW焊接方法,对该材料进行了焊接工艺研究。在分析焊接性和反复试验的基础上,拟定了合理的焊接材料、焊接方法、焊接工艺参数以及焊接过程中的操作技巧和操作要点,按照标准JB4708对焊接接头进行多项力学性能试验和抗晶间腐蚀试验。结果表明,拟定的焊接工艺方案对于哈氏合金(Hastelloy C-276)管线中对接接头是可行的,焊缝性能得到保证,同时也可作为制定类似材料焊接工艺的参考。In order to satisfy the acrylic resin（AA/AE） project Hastelloy（Hastelloy C-276） pipeline in the butt joints in the strong corrosive substance of the working conditions, use of GTAW welding method, the material of the welding technology research.In the analysis of welding feature and the basis of trial and error, study out a equitable welding material ,welding method, welding technology parameters and the welding process manipulate skills and manipulate kernel,in accordance with the standard JB4708 on the mechanical performance of welded joints for a number of tests and resist intergranular corrosion.The results show that study out welding scheme to Hastelloy Alloy（Hastelloy C-276） pipeline is feasible in the butt joints,weld performance can be guaranteed,at the same time also can become study out similar materials for reference to welding technology.

关 键 词：哈氏合金(Hastelloy-C-276) 焊接方法(GTAW) 焊材ERNiCrMo-4 焊接工艺 

分 类 号：TG457[金属学及工艺—焊接]