How to increase the welded seam impacting toughness of ERW pipe is a great problem among the technology of pipe manufacture.
如何提高erw钢管焊缝冲击韧性是制管技术中的一大难题。
The article analyzes that all factors effect impacting toughness of welded seam of ERW pipe on the basis of mass produce and practice.
在大量生产实践的基础上分析了影响ERW直缝电阻焊钢管焊缝冲击韧性的各种因素。
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