Product Category

Tubular product (welded steel pipe)

Welded steel pipe, also known as welded pipe, is manufactured by steel plate or strip steel through coiling, forming and welding successively, with the common length of 6m. The welded steel pipe is featured by a simple production process, high production efficiency, multiple varieties and specifications and low equipment investment, but its strength is, in general, lower tha...


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As one of 20 key products developed by China, the product is widely applied in public waterworks, petrochemical industry, chemical industry, electric power industry, agricultural irrigation and urban construction. For liquid delivery: water supply and drainage. For gas delivery: coal gas, steam and liquefied petroleum gas. Used as a structure: piling pipe, bridge, wharf, road, building structure pipe, etc.

GB/T9711.1 9711.2 and GB/T3091 API 5L; material: Q235-Q345 J55 X42-X70; dimension:10"-56".

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