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Difference between ERW Steel Pipe and UOE Steel Pipe
Date:2016-03-06      View(s):788      Tag:ERW Steel Pipe
First, the raw materials and production capacity difference
ERW steel pipe material is hot-rolled coil, UOE steel pipe material is hot-rolled steel. Therefore, ERW steel pipe can achieve a continuous pipeline operations, high production efficiency, low production costs; and UOE steel pipe is used to process, it can not achieve a continuous pipeline operations, low productivity, high production costs. Restricted ERW steel pipe coil thickness, the maximum thickness can be produced for 25mm, to produce a maximum diameter of 660mm; the maximum thickness of the UOE steel pipe can be produced as 40mm, produces the largest diameter is only limited by the width of the sheet, the current can be produce the maximum diameter of 1422mm.

Second, the difference between welding
ERW pipe welding without additional wire; UOE steel pipes need to add the wire.

Third, the appearance difference
ERW steel inside and outside welds required to be removed, so the antiseptic beneficial; UOE Pipe Wall Weld stay more than a high anti-corrosion disadvantage.

Fourth, the difference between the purchase cost and the difficulty 
ERW steel procurement costs low, UOE steel pipe cost is very high, generally spread is 15% -25%. Domestic UOE steel pipe manufacturers less purchasing high degree of difficulty. When the diameter <Φ406mm, the greater the difference between the purchase cost. ERW steel pipe manufacturers are more low purchasing difficulty, when the diameter of <time Φ406mm, will mate was reduced procurement costs.

Fifth, application difference
ERW steel pipe is mainly used in natural gas, refined oil, crude oil, pulp and other terrestrial long-distance pipelines. UOE steel pipes are mainly used in high-voltage submarine long-distance pipelines, alpine areas, land two, three, four types of areas.

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