Research on the properties of MAG welded joint of X65 pipeline steel

被引：0
|
作者：
李建军 [1 ,2 ]
杜乃成 [1 ]
王义 [3 ]
周文波 [3 ]
周何 [2 ]
机构：
[1] School of Materials Science and Engineering,Tianjin University
[2] China Petroleum Pipeline College
[3] China Petroleum Pipeline Welding Training
来源：
China Welding | 2013年 / 22卷 / 03期
关键词：
D O I：
暂无
中图分类号：
TG457.11 [钢];
学科分类号：
摘要：
With the ivorldwide pipeline construction boom,the pipeline welding technology has rapidly developed.Considering the needs of some projects,many tests of mechanical properties of Z65 pipeline steel metal active-gas（MAG） welded joint have been carried out,and so do the analysis of metallographic structure characteristics and the impact fracture appearance of joint.The results show that,using MAG welding,the test data of mechanical properties of their girth welded joint are in conformity with the relevant technical standards（A-P/1104）.MAG welding with CO2 protection has the characteristics of low hydrogen,energy-saving and environmental protection.Therefore,it should be noted to develop the welding materials and equipments vigorously for this welding method.
引用
收藏
页码：56 / 59
页数：4
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