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更新时间:2024.04.27
3PE防腐管外观缺陷分析

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本文分析了三层PE外防腐钢管外观缺陷的种类、形成原因及其影响因素,提出了防止和控制缺陷形成的技术工艺措施。

3PE防腐管管端涂层翘边缺陷分析

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During manufacturing and storage of 3PE pipes,the end PE upwarp is a common phenomenon,and the gap corrosion will be easy to produce under the condition of poor atmosphere environment, which hazard the anti-corrosion quality of 3PE pipes and difficult to field coating for welded joints. The authors analyze the PE upwarp problem, and based on the analysis results the quality control measures are given for the manufacturing of 3PE pipes.

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