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。
The article analyzes that all factors effect impacting toughness of welded seam of ERW pipe on the basis of mass produce and practice.
从设计规范与管材选用方面对电阻焊碳钢直缝钢管（ ERW）的特点进行了分析。
The features of electric resistance welded(ERW) carbon steel pipe are analyzed from the viewpoint of design code and material selection.
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