erw steel pipe straight to seam welded tube

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2021 Professional Manufacturer Black Steel Pipes high frequency straight seam welded black pipe (ERW) SS400 steel tube $459.00-$699.00 / Ton 5.0 Tons (Min. Order)

China ERW Seam Welded Steel Pipes Suppliers,

1. Introduction:2. ASTM A214 1The standard covers minimum-wall-thickness, ERW, carbon steel tubes can be used for heat ex-changers, condensers and similar heat-transfer apparatus. 2The welded steel pipes shall be made by electric-resistance welding. 3Specification:OD 76.2mm. ERW Carbon Tube Black Round Welded Steel Pipe - Buy High-frequency straight seam welded steel pipe is also called straight seam high-frequency electric resistance welded steel pipe. Its characteristics are:high welding speed, small welding heat affected zone, welding can not clean the work piece, weld thin wall pipe, weldable metal pipe.

ERW Pipe Electric Resistance Welded

Electric Resistance Welded (ERW) pipe is manufactured by cold forming a flat steel strip into a rounded tube and passing it through a series of forming rollers to obtain a longitudinal seam. The two edges are then simultaneously heated with a high frequency current and squeezed together to form a ERW Steel Pipe and Tube, ERW Welded PipeERW Pipe Manufacturering Process:Straight seam high frequency welded pipe (ERW steel pipe) is formed by forming a hot-rolled coil through a forming machine. The skin effect and proximity effect of high-frequency current are used to heat and melt the edge of the pipe blank. Pressure welding is carried out under the action of a squeeze roller.

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