Execution standards

Steel pipes for pipeline transportation systems in the natural gas industry: GB/T9711-2017;

Welded steel pipes for low-pressure fluid transportation: GB/T3091-2015;

Submerged arc welded steel pipes for ordinary fluid transportation pipelines: SY/T5037-2018;

Uses

Mainly used in water engineering, petrochemical industry, chemical industry, power industry, agricultural irrigation, urban construction, it is one of the twenty key products developed in China.

Used for liquid transportation: water supply, drainage, sewage treatment engineering, mud transportation, ocean water transportation.

Used for gas transportation: coal gas, steam, liquefied petroleum gas.

For structural purposes: used as pile driving pipes, used as bridges; Pipes for docks, roads, building structures, and marine pile driving pipes.

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