high strength welded steelpipe
... high strength welded pipe高强度焊接管 high strength welded steel pipe高强度焊接钢管 high tensile electric welding rod高强焊条 ...
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文章分析了高强度X80 钢管道的热影响区的软化、焊缝金属与母材的匹配及产生焊接裂纹的可能性，介绍了管道环缝焊接工艺，还列举了国外X80钢管道的焊接工程实例。
This paper analyzes the welding performances of the pipeline steel X80 including softening of heat affected zone, its matching with base material and the possibility of welding cracking. It also de…
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