For the main defects which affect spiral welded pipe quality, the material plate quality effect to strict specification pipe production is discussed, and the solving method is proposed.
针对影响螺旋焊管质量的几个主要缺陷，论述了原料带钢质量对生产高标准焊管的影响，并提出了解决方案。
The X grace steel sheet is used as main material for SAW straight weld pipes for pipe line purpose.
X级管线钢板材是生产直缝埋弧焊管的主要原材料。
The X grace steel sheet is used as main material for SAW straight weld pipes for pipe line purpose.
X级管线钢板材是生产直缝埋弧焊管的主要原材料。
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