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超高压蒸汽A335-P22材质在管道焊接中的应用

Application of A335-P22 Material for Ultra-high Pressure Steam in Pipeline Welding
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摘要 在石油化工建设中铬钼耐热钢管道向着大口径、高压力输送方向发展,对管道的焊接质量和施工速度的要求也愈来愈高,传统的焊接方法已满足不了短平快施工进度的需求,依据高压管道焊接施工特点,采用管道埋弧焊、全位置机动焊、手工气保焊、手工电弧焊进行填充、盖面的组合焊接工艺,结合不同的焊接方法容易出现的焊接质量问题,制定了一套适合A335-P22超高压蒸汽管道的焊接工艺和施工工序。该组合焊接施工工艺采用了多种焊接方法,既降低施工成本,提高焊接效率,保证了焊接质量。 In the construction of petrochemical industry,chromium molybdenum heat-resistant steel pipes are developing towards large-diameter and high-pressure transportation,and the requirements for welding quality and construction speed of pipelines are becoming increasingly high.Traditional welding methods can no longer meet the needs of short and fast construction progress.Based on the characteristics of high-pressure pipeline welding construction,a combination welding process of pipeline submerged arc welding,all position motorized welding,manual gas shielded welding,and manual electric arc welding is adopted for filling and covering.A set of welding processes and construction procedures suitable for A335-P22 ultra-high pressure steam pipelines has been developed based on the welding quality issues that may arise with different welding methods.This combination welding construction process adopts multiple welding methods,which not only reduces construction costs,improves welding efficiency,but also ensures welding quality.
作者 刘建国 王银飞 王健 田文冲 LIU Jianguo;WANG Yinfei;WANG Jian;TIAN Wenchong(Sinopec Tenth Construction Co.,Ltd.,Qingdao,Shandong,266555,China)
出处 《工程建设(维泽科技)》 2023年第12期73-78,共6页 Engineering Construction
关键词 耐热钢P22 管道下料 焊接工艺 管道热处理 heat resistant steel P22 pipeline cutting welding process pipeline heat treatment
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