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Q235B Steel Square Pipe is a kind of hollow structural section which is a type of metal profile with a square hollow tubular cross section. hollow tube metal erw q345 q235b Steel Tube, Square Steel Pipe manufacturer / supplier in China, offering Q235B Black Square Pipe, ERW Steel Pipe, Pre Galvanized Steel Tube and so on. Contact Supplier Company Favorites Company hollow tube metal erw q345 q235bwebsite erw welded pipe q235bQ235B ERW Steel Pipe - Guangdong Lizz Steel Pipe Co. China Zhonghai Steel Pipe Manufacturing Corporation can provide you with Q235B ERW Steel Pipe suitable for your project needs.ERW pipe cold formed from a ribbon of steel pulled through a series of rollers and formed into a tube which is fused through a electric charge.

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