butt welded pipe 对缝焊管 ; 对接焊管 ; 平焊接管 ; 直缝焊管
furnace butt-welded pipe 对接炉焊管
Butt welded pipe fittings 对焊管件
girth butt welded pipe 对接环焊管道
continuous butt welded pipe 炉焊管
carbon steel butt welded pipe 碳钢直缝焊管
large-diameter butt welded pipe 大直径直缝焊管
butt welded steel pipe 对接焊钢管
Having been practiced for several years, a new butt method for spiral welded pipe, the two spots tack-weld butt was made out.
通过几年来的实践，摸索总结出了一种螺旋焊管对接新方法——两点点固对接法。
In this paper, the residual welding stresses in a low carbon steel girth butt welded pipe are calculated with a nonlinear finite element code ADINA.
本文利用ADINA非线性分析有限元程序，对低碳钢管道环焊缝接头焊接残余应力进行计算。
Germany RBT import external thread needle valve can be equipped with stainless steel welded pipe, and pipeline butt welding connection, but also through the outer nut removing the valve.
品牌：进口外螺纹针型阀可配带不锈钢焊接管，能与管道直接对焊连接，也可通过外螺母拆卸阀门。
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