WB32&35 Tube Mill

The ERW (Electric Resistance Welding) tube mill & pipe mill is a series of machines that builds longitudinal weld seam tubes and pipes with steel strips of certain width. It starts by uncoil and flatten the slitted steel coils into steel strips. The flattened steel strips will then be inserted into the forming machine and the roller tolling in the machine will roll the strip to round pipe shape. The rolled strips will then be sent into the weld box where the tube is welded by a high frequency solid state welder. The welded tubes will be formed to expected shape or size in a sizing machine. Finally the tubes will be cut to length and bundled. Applications Mechanical Tubing Hollow Structural Section (HSS) or Structural Tubing Standard Pipe Energy Pipe (OCTG and API) Automotive Tubing Drawn Over Mandrel (DOM) Steel Conduit Product Materials Carbon Steel High-Strength Low-Alloy (HSLA) Steel Advanced High-Strength Steels (AHSS) Stainless Steel Aluminum Titanium Production and Product Specifications Outside diameters from 12mm to 63mm. Wall thicknesses from 0.5mm to 2.5mm. Production speeds 20-100m/min. Technological process: Uncoiling → Cutting and welding → cage accumulator →(feeding、forming),(seam guide、HF welding、squeezing、deburring),water cooling, sizing, rough straightening → STD flying saw →checking and collecting →packing→storage