• The defects will be found in the seam side with ultrasonic inspection but hardly found with X ray inspection as the small diameter spiral pipe production with the split strip steel.

    采用纵剪带钢生产小口径螺旋焊管时,超声波检验经常焊缝一侧发现缺陷波,X射线拍片检验很难发现。

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  • Inside welding seam cracking of spiral submerged Arc welded pipe is the unsolved problem for many years in the pipe field.

    螺旋弧焊钢管焊缝裂纹本行业多年未解决问题

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  • This paper introduces the measure, welding method and inspection result to prevent the welding deformation formation of spiral-seam pipe header after tapping.

    介绍螺旋焊缝焊接支管时变形措施、焊接方法检验结果

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  • The spiral welded pipe weld seam probe frame has the benefits that: (1) the flexible spindle is adopted, so that a probe and a weld seam can be fully closed, so as to reduce error;

    本发明有益效果1采用柔性主轴使探头焊缝保证完全弥合减少误差;

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  • The spiral welded pipe weld seam probe frame has the benefits that: (1) the flexible spindle is adopted, so that a probe and a weld seam can be fully closed, so as to reduce error;

    本发明有益效果1采用柔性主轴使探头焊缝保证完全弥合减少误差;

    youdao

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