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china supplier cold rolled black annealed square steel pipe

china supplier cold rolled black annealed square steel pipe

Our steels have been widely applied to many industries and fields, such as the construction industry, shipbuilding industry, pressure vessels and boilers, oil and gas, bridge construction, offshore platforms, stamping cold forming,etc.

China cold rolled black wholesale 🇨🇳 - Alibaba

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Cold rolled square steel pipes or cold rolled black annealed square tubes is made by the cold rolled sheets or coils, its name comes from the scaly, dark-colored iron oxide coating on its surface. It’s used in applications that don’t require galvanized steel.

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Cold Rolled Square and Rectangular Steel Tube No. Item Description 1 Short Description Cold rolled square steel pipes or cold rolled black annealed square tubes is made by the cold rolled sheets or coils, its name comes from the scaly, dark-colored iron oxide coating on its surface.

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Tianjin Tongying Steel Co., Ltd - Made-in-China

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China supplier q195 pipes rectangular steel pipes

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Cold Rolled Iron Round Welded Steel Pipe

Cold Rolled Round Steel Pipe - pipesteelchina. Cold rolled round steel pipe/black annealed steel tubes which are made by the cold rolled sheets or coils, its name comes from the scaly, dark-colored iron oxide coating on its surface.