... reinforced weld seam 加强焊缝 Weld seam impact toughness 焊缝冲击韧性 Inner weld seam 内焊缝 ...
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如何提高erw钢管焊缝冲击韧性是制管技术中的一大难题。
How to increase the welded seam impacting toughness of ERW pipe is a great problem among the technology of pipe manufacture.
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.
通过对冲击韧性的测试结果与微观组织的分析，确定出使焊缝冲击韧性最佳的焊接工艺参数。
Meanwhile the optimal welding parameter which was suitable for welding line impact toughness was gained by analysis on the test result of impact toughness and microstructure.
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