| 大直径X80油气输送管道焊接技术 |
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| 引用本文： | 胡建春,陈龙,廖井洲.大直径X80油气输送管道焊接技术[J].焊管,2012,35(8):19-22. |
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| 作者姓名： | 胡建春 陈龙 廖井洲 |
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| 作者单位： | 1. 中国石油天然气管道第二工程公司,江苏徐州,221008
2. 中国石油天然气管道第五工程公司,河北任丘,062552 |
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| 摘 要： | 在分析X80高强度管线钢化学成分、力学性能的基础上,结合选定的焊接材料、焊接方法和工艺参数,对该管线钢焊接接头的拉伸性能、硬度、冲击韧性等进行了研究.结果表明,X80高强度管线钢具有良好的焊接性能,焊接接头的强度、硬度、韧性等性能均满足X80管线的安全要求,所选用的焊接材料、焊接方法和工艺参数可用于该管材的现场焊接.
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| 关 键 词： | X80管线钢 半自动焊 焊接工艺 断裂韧性 |
Research on Welding Technology of Large Diameter X80 Grade for Transporting Oil and Gas Pipeline |
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| HU Jianchun
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CHEN Long
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LIAO Jingzhou.Research on Welding Technology of Large Diameter X80 Grade for Transporting Oil and Gas Pipeline[J].Welded Pipe and Tube,2012,35(8):19-22. |
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| Authors: | HU Jianchun CHEN Long LIAO Jingzhou |
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| Affiliation: | 1. No.2 Subsidiary Construction Company of China Petroleum Pipeline Bureau ,Xuzhou 221008, Jiangsu, China; 2. No.5 Subsidiary Construction Company of China Petroleum Pipeline Bureau ,Renqiu 062552, Hebei, China) |
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| Abstract: | Based on analyzing the chemical composition and mechanical properties, the tensile strength, hardness and impact toughness of X80 pipeline steel welded joints were studied, combined with the selected welding material, welding process and technical parameters. The results showed that the X80 pipeline steel with high strength possesses good welding performance, and the strength, hardness and toughness can meet the safety requirements. The selected welding material, welding method and welding parameters can be used for site welding. |
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| Keywords: | X80 pipeline steel semi-automatic welding welding process ductile fracture |
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