Raw material: hot or cold-rolled strip coil after slitting: The diameter of steel coil: phi 1300 ~ phi 2300 mm Diameter: phi 508- 760 mm Width: 500 ~ 1300 mm Thickness: 3 ~ 12.7 mm Maximum roll weight: 25 t Welding: high-frequency induction (contact) heating extrusion forming High-frequency equipment power: 1000 kw (solid-state) Frequency: 100 ~ 450 KHZ Welding speed: 10 ~ 30 m/min Weld annealing: medium frequency induction heating If equipment power: 3 600 kw
