抗腐蚀海底管线钢半自动焊工艺研究  

Research of semi-automatic welding process for corrosion-resistant submarine pipeline steel

作　　者：王红 曹用顺 何亚章 刘剑 杨华庆 WANG Hong;CAO Yongshun;HE Yazhang;LIU Jian;YANG Huaqing(CNPC Engineering Technology Research Co.,Ltd.,Tianjin 300451,China;CNPC Key Laboratory of Offshore Engineering,Tianjin 300451,China;CNPC Offshore Engineering Company Limited,Tianjin 300451,China)

机构地区：[1]中国石油集团工程技术研究有限公司,天津300451 [2]中国石油集团海洋工程重点实验室,天津300451 [3]中国石油集团海洋工程有限公司,天津300451

出　　处：《石油工程建设》2022年第3期73-76,共4页Petroleum Engineering Construction

摘　　要：采用GMAW根焊、FCAW-G热焊填盖的组合半自动焊工艺对抗腐蚀海底管线钢X65QOS+F65进行焊接,依据DNV-OS-F101-2013,通过性能试验及腐蚀试验的方法对接头的力学性能和抗腐蚀性能进行研究分析。结果表明,使用该工艺获得的接头力学性能及抗腐蚀性能满足相关标准的要求,该工艺可用于海上酸性服役条件主线路X65QOS/X65QOS的焊接以及主线路X65QOS/锚固件F65的焊接。Corrosion-resistant submarine pipeline steel X65QOS+F65 was welded by the combined semi-automatic welding process of GMAW for root welding and FCAW-G for hot filling welding.According to DNV-OS-F101-2013,the mechanical properties and corrosion resistance of the joint were studied by performance tests and corrosion tests.The results show that the mechanical properties and corrosion resistance of joints obtained by using this process meet the requirements of relevant standards,and the process can be used for the welding of main line X65QOS/X65QOS and main line X65QOS/anchor F65 in acidic offshore service conditions.

关 键 词：焊接工艺 X65QOS F65 力学性能 抗腐蚀性能 

分 类 号：TE973.3[石油与天然气工程—石油机械设备]