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公开(公告)号:US4079224A
公开(公告)日:1978-03-14
申请号:US626640
申请日:1975-10-29
申请人: Hiroyo Haga , Tovoaki Bada , Sigeo Fujimori , Tuguro Kikuno , Hiroshi Nozaki
发明人: Hiroyo Haga , Tovoaki Bada , Sigeo Fujimori , Tuguro Kikuno , Hiroshi Nozaki
CPC分类号: C21D9/50
摘要: A method of preventing brittle fracture of a pipe structure constructed by welding welded or continuous welded steel pipes, which comprise subjecting a certain length of the seamed portion adjacent to the butt welded portion of the steel pipe to an arc treatment.
摘要翻译: 一种防止由焊接或连续焊接钢管焊接而构成的管道结构的脆性断裂的方法,其包括使与钢管的对接部分相邻的一定长度的接缝部分进行电弧处理。