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。
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。
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.