直缝埋弧焊管常见缺陷产生原因及预防措施

    Causes of and Precautions for Common Defects on LSAW Pipes

    • 摘要: 列举直缝埋弧焊管常见的外观缺陷、焊接缺陷以及母材缺陷,分析各缺陷的产生原因,并针对不同缺陷提出预防措施。建议从生产和检验两个方面着手解决钢管缺陷问题,根据各种缺陷特点选用合适的无损探测方法,并制定合理的检验工艺,避免缺陷的错检、漏检。

       

      Abstract: Common defects on LSAW pipes such as appearance defects,welding defects and base metal defects are introduced.Causes of these defects are analyzed,and precaution measures are put forward accordingly.It is recommended to tackle the defect problems from both production and inspection sides,choose appropriate NDT methods according to the characteristics of different defects and establish a reasonable inspection procedure to avoid false defects and missing defects.

       

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