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< Natural Gas and Oil > Editorial Department
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Du Tonglin
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Tang Xiaoyong,Pu Liming
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Issue:ISSN 1006-5539
          CN 51-1183/TE

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    Your Position ：Home->Past Journals Catalog->2010 Vol.6

    Analysis on Cracks in Welding Lines in Certain Gas Gathering and Transpiration Pipeline
    Author of the article:
    Author's Workplace：
    Key Words：Gas gathering and transportation pipeline; Weld; Defect; Crack
    Abstract： 

    Analyzed are cracks occurring in welding lines in certain gas gathering and transpiration 20# seamless steel pipeline during welding process. Nondestructive testing,reinspection, mechanical property testing, chemical composition analysis and metallographic analysis were conducted on the weld defects one by one and cause of their formation was identified finally. Through such analysis on this site, found were deficiency and problems existing in construction project quality control. Suggestions are put forward for improving management.

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