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I. Summary
The mill is intended for manufacturing of square pipe of 20*20mm-85*85mm with thickness of 0.8mm–4.5mm from cold-rolled and hot-rolled coil strip by means of unclosed tubular blank with its subsequent welding into tube, edge heating by means of solid state high-frequency welder, longitudinal seam welding in rolls of tube welding machine, cooling, further sizing or shaping and on-stream cutting of endless tube in measured lengths.
Finished product will be of round, square or rectangular pipe.
II. The technical flow of the production line
{SteelTape}→→ Double-head un-coiler →→Strip-head Cutter and welder→→Spiral
Accumulator→→Forming section（Flattening unit +Main driving unit +Forming unit +Guide unit +High frequency induction welding unit +squeeze roller）+ De-burr frame →→Cooling unit →→ Sizing unit and straightener →→Flying saw under→→Computer
control →→ Run-out table
HG114 tube mill/pipe mill/tube making mill/pipe making mill