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HOW ERW TUBE WELDING LINE WORK
Product Materials · HR/CR carbon steel or galvanized steel · High-Strength Low -Alloy- Steel(HSLA) · Advanced High-Strength Steels (AHSS) · Stainless Steel · Aluminum · Copper · Titanium
Applications Field: Standard Pipe Structural steel Pipes&Tube Pressure Tube Line Pipes Enegery API&OCTG Pipe Mechanical Tubing Automobile Tube Steel Conduit
The precise measured strips, precut from high quality HR or CR steel coil strips by slitting line then transfer into the forming section of tube mill, gradually formed into round profile by designed precise roller with open seam along its length in the forming mill. A high-frequency induction welding technology is adopted to seam edge heat fusion and longitudinal seam welding joint by high frequency solid state welder in order to form strong continuous seam joint. The strip is welded continuously in round shape. The welded pipe passes through welding seam cleaning and cooling, then sizing and forming into round or square or rectangular profile with specified tolerance. Finally the welded pipe will be cut to desired and required lengths by cut-off section Finished tubes will be round, square or rectangular shape and bundled.
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