Welded steel pipe for low pressure fluid transportation

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Welded steel pipe for low pressure fluid transportation

Welded steel pipe for low-pressure fluid transportation (GB/T3092-1993) is also called a general welded pipe, commonly known as clarinet. It is a welded steel pipe for conveying water, gas, air, oil and heating steam, and other generally lower pressure fluids and other purposes. The wall thickness of steel pipes are divided into ordinary steel pipes and thickened steel pipes; the connection and forms are divided into non-strip (smooth pipe) and threaded steel pipes. The specification of the steel pipe is expressed by the nominal diameter (mm), which is the approximate value of the inner diameter. It is customary to express in inches, such as 11/2. Welded steel pipes for low-pressure fluid transportation are not only directly used to transport fluids but also as the original pipes of galvanized welded steel pipes for low-pressure fluid transportation.

 

Low-pressure fluid conveying welded pipe (GB/T3091-2001) replaces the original GB/T3091-1993, GB/T14980-1994, and GB/T3092-1993. It is suitable for straight seam welded steel pipes used in water, gas, air, heating steam, and other low-pressure fluid transportation and other structures. Welding can be resistance welding or submerged arc welding. Electric resistance welded steel pipes are usually 4-12m in length, and submerged arc welded steel pipes are usually 3-12m in length.ietnam spent more than four billion U.S. dollars importing roughly 6.8