方矩管结构钢管
关键词
The Hollow section is divided into square and rectangular cold-formed hollow steel, referred to as square pipe and rectangular pipe, and the square pipe is divided into hot-rolled seamless pipe, cold-drawn seamless pipe, extruded seamless pipe and welded square pipe according to the production process.<br/><br/> There are various surface treatment methods, including hot-dip galvanized square pipe, electric galvanized square pipe, oil coated square pipe, pickling square pipe, etc.<br/><br/> Hollow section applications mainly include: decoration, machine tool equipment, machinery industry, chemical industry, steel structure, shipbuilding, automobile manufacturing, steel beam and column, and other special purposes.
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