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带涂层的镍基合金复合管焊接施工

陆传航,程晋宜,夏德亮, 杨建,戴世超

wf（2022）

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Abstract
简要介绍了带内涂覆热固性重防腐环氧粉末涂料的碳素钢工艺管道,针对焊接接头后续热处理会导致涂层失效的情况,给出了可替代的施工方案.通过使用镍基合金复合管管段,分别介绍了在坡口区域堆焊镍基合金或采用提高预热温度替代热处理的方式,达到管道总装阶段焊接接头免除热处理的目的,从而避免了热处理对涂层的不利影响.
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