This article introduced the experiment of residual stress in flat tubeplate head of large scale fuel boiler that was manufactured by cold rotary extruding and butt weld.
本文介绍了大型燃油锅炉经拼板焊接和冷旋压加工制造而成的平管板封头残余应力试验。
The present invention is the production process of steel flange blank, especially of flat flange, butt welded flange and prestressed pipe pile end plate flange.
一种钢法兰毛坯加工工艺,尤其是一种平法兰、对焊法兰、预应力管桩端板法兰毛坯加工工艺。
The butt welder is widely used in butt joint of such materials as steel, iron, copper and aluminum rod. It is also used in the butt joint of flat bar, flat aluminum, steel tube and steel tube.
系列对焊机广泛应用于钢、铁、铜、铝杆等材料的对接,也适用于扁钢、扁铝和钢管、铁管的对接。
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