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1·The surface quality of the spiral weld pipe is as so critical a quality assurance element as its interior quality.

螺旋焊管的表面质量与其内在质量同样是焊管质量的重要保证因素。

2·Having been practiced for several years, a new butt method for spiral welded pipe, the two spots tack-weld butt was made out.

通过几年来的实践，摸索总结出了一种螺旋焊管对接新方法——两点点固对接法。

3·An analysis is carried out to a practical case of a pipeline rupture happened near spiral weld under field applied heat shrinkable sleeves.

对管道热缩套下对接环形焊缝附近爆裂的实际案例进行了分析。

4·In the production of spiral weld pipe, the quality of the online automatic submerged arc welding is of significant importance to the final steel pipe product.

在螺旋焊管的生产过程中，在线埋弧自动焊的焊接质量对最终钢管产品的质量具有十分重要意义。

5·During the Spiral welded pipe production, the main reasons of manual bend caused in strip steel are unusual aline of strip steel in strip steel connection weld process.

在螺旋焊管生产过程中，钢带产生人为硬弯的主要原因是对头焊工序中钢带不能对齐所致。

6·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;

本发明的有益效果是：1）采用柔性主轴，使探头和焊缝能保证完全弥合，减少误差；

7·The discussion involves such aspects as the cause of strip folding occurring in butt-welding process of spiral weld pipe, negative influence by such failure on pipe quality and preventive actions.

介绍了螺旋焊管生产中对头焊带钢的硬弯现象发生原因，对钢管质量的危害及防止措施。

8·Inside weld produced cracks are often faced problem by adopting wide coil with small forming Angle to produce small size spiral submerged welded pipe.

采用宽板小成型角生产小口径螺旋缝埋弧焊钢管时，内焊缝产生裂纹是经常遇到的问题。