| 螺旋埋弧焊管预精焊焊接接头性能分析 |
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| 引用本文： | 李建一,田鹏,孙志刚,韩景伟,祁超.螺旋埋弧焊管预精焊焊接接头性能分析[J].焊管,2011,34(12):69-72. |
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| 作者姓名： | 李建一 田鹏 孙志刚 韩景伟 祁超 |
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| 作者单位： | 1. 渤海装备华油钢管公司,河北青县,062658
2. 济南柴油机股份有限公司,济南,250306 |
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| 摘 要： | 介绍了螺旋埋弧焊管预精焊生产工艺,对预精焊工艺生产X70钢级φ1 016 mm×17.5 mm螺旋埋弧焊管焊接接头拉伸试验、夏比冲击试验、维氏硬度试验等试验结果进行了统计分析,并与传统的一步法工艺进行了对比.结果表明,预精焊生产工艺焊接接头抗拉强度与一步法工艺基本相当,夏比冲击韧性、维氏硬度等性能略优于一步法工艺,综合...
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| 关 键 词： | 预精焊 焊接接头 X70螺旋埋弧焊管 |
Analysis on Welded Joint Performance of Two-step Welding SAWH Pipe |
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| LI Jian-yi
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TIAN Peng
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SUN Zhi-gang
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HAN Jing-wei
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QI Chao.Analysis on Welded Joint Performance of Two-step Welding SAWH Pipe[J].Welded Pipe and Tube,2011,34(12):69-72. |
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| Authors: | LI Jian-yi TIAN Peng SUN Zhi-gang HAN Jing-wei QI Chao |
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| Affiliation: | 1(1.North China Petroleum Steel Pipe Co.,Ltd.of CNPC Bohai Equipment Manufacturing Co.,Ltd., Qingxian 062658,Hebei,China;2.Jinan Diesel Engine Co.,Ltd.,Qingxian 062658,Hebei,China) |
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| Abstract: | This article introduced production process of two-step welding,statistically analyzed test results of X70 φ 1 016 mm×17.5 mm SAWH pipe welded joints,such as tensile test,Charpy impact test and Vickers hardness test,and compared two-step welding process with traditional one-step welding process.The results indicated that welded joint tensile strength of the two-step welding process is basic equivalent to that of traditional one-step welding process,the Charpy impact toughness and Vickers hardness are better than those of the one-step method weld joint.The comprehensive mechanical properties of welded joints are good,which can meet the requirements of the technical specification of X70 SAWH line pipe for the 2nd West-east Pipeline Project. |
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| Keywords: | two-step welding welded joint X70 SAWH pipe |
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