pre galvanized steel pipe
Pre galvanized steel pipe technology:
First on the work of strip steel pickling. In order to remove iron oxide on the surface of the steel strip, after pickling, cleaning by ammonium chloride (zinc chloride) aqueous solution or ammonium chloride and zinc chloride mixed aqueous solution. And then send to hot dip galvanized tank. Air drying and then make pipes. Pre galvanized steel tube has the advantage of coating uniform, shining, cost low. But its corrosion resistance is slightly worse than the hot galvanized pipe because of low galvanizing.
Pre galvanized steel tube application:
Pre galvanized steel pipe is mainly used in construction of agricultural greenhouse, greenhouse steel canopy, steel, steel structure plant, network frame steel tube, the bike shed, clean steel tube, stair handrail, balcony railing, fence, leisure furniture, amusement equipment, fitness equipment, air conditioning cooling rack, threading pipe, wire protection tubes, daylighting room steel frame, the construction site etc.ERW Steel Pipe
website:http://www.chnpipes.com/welded-steel-pipe/erw-steel-pipe/
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