Double-sided spiral submerged arc welding steel pipe
1.Mainly used in water engineering, petrochemical industry, chemical industry, electric power industry, agricultural irrigation, urban construction and so on.
2.For the conveyance of liquids: water supply, drainage.
3.For gas transportation: gas, steam, liquefied petroleum gas.
4.For structural use: as piling pipe, bridge, wharf, road, structural pipe, etc.