2018年1月14日星期日

A guide to black steel pipe

    Black steel pipes are cut and threaded to fit the job. Because steel is subject to rust and corrosion, the factory also coats it with protective oil. Those black steel are used for manufacturing pipe, which will not rust for a long time and requires very little maintenance.

    Standard:

    United States: ASTM A53/A106/A178/A179/A192/A210/A213/API 5L/5CT

    Britain: BS 1387/1600/1717/1640/3601/3602/3059/1775

    Russia: GOST 8732/8731/3183

    Japan: JIS G3452/G3454/G3456/G3457/G3458/G3460/3461/3462/3464

    German: DIN 1626/17175/1629-4/2448/2391/17200 SEW680

    Dimensions and sizes:

    Out Diameter: 21.3mm-660mm

    Wall Thickness: 2mm-60mm

    Length:  up to18m

    Surface: Black painting,varnished surface, anti-corrosion oil, galvanized or as per your requirement

    Applications of black steel pipe:

    Black steel pipe is widely applicable for ordinary uses in water, gas, air and steam, black steel tubes and pipes are used for gas distribution inside and outside the house and for boiler systems. It is also used for line pipes in oil and petroleum industries, for water wells and for water, gas and sewage purposes.

    http://www.xysteelpipe.com/info/A-guide-to-black-steel-pipe-766-1.htm

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