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。
2
The edge condition of strip steel is the main factors affect pipe forming and weld quality.
钢带的边缘状况是影响焊管成型和焊接质量的主要因素。
3
And so, trustworthy basis is provided for the investigation on reducing the strip breaking at weld seam by Miebach welder in cold strip rolling.