Black steel pipes are cast from several grades of ductile or malleable iron, whereas carbon steel pipes are generally welded or seamless. Black steel pipes are used for underground or submerged applications as well as for mainstream pipes and branches subjected to acids. It is also common to use cast iron pipes and fittings for municipal cold-water lines 4 diameter and above.
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Type:Welded Technique:ERW Material:Carbon Steel Surface Treatment:Bared / Black Varnish/Galvanized Usage:Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Machinery Industry, Chemical Industry, Mining, Construction & Decoration Section Shape:Square and Rectangular
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