文章综述了国内外有关螺旋焊缝管的断裂试验和研究工作的概况。

The article is a general review of the test and research work on fracture in relation to spiral welded pipes at home and abroad.

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采用纵剪带钢生产小口径螺旋焊管时，超声波检验经常在焊缝的一侧发现缺陷波，而X射线拍片检验却很难发现。

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.

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介绍了在螺旋焊缝汇管上焊接支管时的防变形措施、焊接方法和检验结果。

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

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