Spiral Steel Pipe
Spiral steel pipe was made by steel coil, extrusion forming under the normal temperature, take the technology of double wire and double-faced submerged-arc welded.Spiral steel pipe was mainly used in public waterworks, petrochemical industry, chemical industry, electric power industry, agricultural irrigation and urban construction etc. It is one of the twenty developmental major products of China.
China manufactures spiral-welded steel pipe designed and manufactured to meet or exceed the requirements of the applicable AWWA and ASTM Standards with the following physical and mechanical properties.
Spiral-welded steel pipe through 144″ (3600 mm), in accordance with the requirements of AWWA C200, ASTM A139, and ASTM A252.