The unit is mainly used for opening, leveling, forming, welding, sizing and shaping of strip coils with plate thickness δ=6-22mm, plate width B=1000-2400mm, and the material is Q235, Q345, etc. into a side length of 250. ~600mm square tube, height ≤600mm rectangular tube and other special-shaped structure tubes. To meet the needs of different industries and occasions such as automobiles, agricultural machinery, and construction.
Square tube: 250×250mm-600×600mm Rectangular tube: 250×300mm-400×600mm Pipe thickness:6 . 0 - 22 . 0 mm
(1)Material Specifications:
Material | Low carbon steel and low alloy constructional steel |
Mechanical properties | σb≤380Mpa,σs≤275MPa |
strip width | 1000~2400 mm |
strip thickness | 6.0~22.0mm |
I.D of Coils | 610-760mm |
O.D of Coils | 1300-2000mm |
Coil Weight | ≤35T |
(2)Welded Pipe Specification:
Round Pipe Diameter | Φ250~φ600mm |
Square tube size | 250X250-600x600mm |
pipe thickness | 6.0-22.0mm |
Finish pipe length | 6 - 22 m |
Cut length accuracy | ±2mm |
Forming speed | 20m/min |
Coil preparation→coiling→uncoiling→head removal→leveling→cutting butt welding→looper storage→vertical roller alignment→delivery→vertical roller alignment→forming (13 frames)→high frequency welding→five rollers Extrusion→external burr removal→smoothing roller→water cooling device→sizing machine→saw cutting→roller table after sawing→steel pipe conveying→collecting and packing