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mai hu zi dong han zai ao shi ti bu xiu gang ya li rong qi zhi zao zhong de ying yong
Author(s): 
Pages: 33
Year: Issue:  6
Journal: Welding Technology

Keyword:  埋弧自动焊奥氏体不锈钢压力容器制造对接焊缝焊接工艺焊接工作量设计压力焊缝金属工艺评定水煤气变换;
Abstract: <正> 1 前言我厂为宣化化肥厂制造了一台饱和热水塔(Ⅱ类容器),工作介质为半水煤气变换气。简体材质为0Cr19Ni9,规格为φ2852×26mm,设计压力2.01MPa,工作温度180℃。其X形坡口对接焊缝长约300m,焊接工作量大。针对其直径大、简体厚等特点,经研究探讨,反复试验,决定采用埋弧自动焊焊接工艺。
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