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Black Steel Pipes
Steel is easy to rust and corrosion, so our black pipes are coated with protective oil. Those black steel are used for manufacturing pipe and tube, which will not rust for a long time and requires very little mainteance. Black steel pipes and tubing are cut and threaded to fit the job. Fittings for this type of pipe are of black malleable (soft) cast iron. They connect by screwing onto the threaded pipe, after applying a small amount of pipe joint compound on the threads. Black steel pipe is cut either with a heavy-duty tube cutter or cutoff saw or by hacksaw. Widely applicable for ordinary uses in water, gas, air and steam, black steel pipes and tube are utilized for gas distribution inside and outside the house and for hot water circulation in boiler systems. It is also used for line pipes in oil and petroleum industries, for water wells and for water, gas and sewage purposes. .
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