Black Steel Pipes

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Tianjin Jinbei Steel International Trade Co.,Ltd

Room 090, F-4 area, ChuBao steel products marketing, Shunyi Road, Beichen Dist, in Tianjin, China.

+86-022-86865101 +86-022-226614377, +86-13388028812 +86-13110063006

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Black Steel Pipes


company	Tianjin Jinbei Steel International Trade Co.,Ltd
Categories	Toilet Plungers
Update	2011-04-01
Original Region	China
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Black Steel Pipes

When steel pipe is forged, a black oxide scale forms on its surface to give it the finish which is seen on this type of pipe. Because steel is subject to rust and corrosion, the factory also coats it 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 maintenance. It is sold in standard 21-foot lengths TBE.
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. Larger diameter pipe is welded rather than threaded. 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. It is not used for potable water or for drain waste or vent lines.

For Water, Gas and Sewage
Confirming to IS3589/1991

Size	Outside	Wall	Calculated Weight (Plainend)
N.B. mm	Diameter mm	Thickness	Kg./m	M/Tone (Appr.)
150	168.3	4.8	19.3	52
		5.0	20.1	50
		5.4	21.7	46
		6.0	24.0	41.5
		6.4	25.5	39
		7.0	27.8	36
		8.0	31.6	31.5
175	193.7	4.8	22.6	44
		5.0	23.3	43
		5.4	25.1	40
		6.0	27.8	36
		6.4	29.6	34

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