Shijiazhuang Great Wall Welded Pipe Equipment Co. Ltd

Layout flow:  Strip material → decoiler → shear and welder → accumulator → forming and sizing machine → flying saw → packing Moreover, include: electric control system, high frequency welder.   Specifications: Material to be processed: Carbon Steel, Cold Hot Rolled pre slit strip coils of weld able grade with max. 0.2% carbon Type of Production: Round Tubes, Square, Square and Rectangular Hollow Sections Round Tube Outside Diameter: Min 114, Max 273mm Square Hollow Section: Min 130 x130, Max 215 x 215 mm Rectangular Hollow Section: Min 80x 100, Max140x 200 mm Tube Thickness: Min 3.0mm Max 10.0 mm (X70≤8mm) Forming Line Speed: Max 45m/min (Square and Rectangular Hollow Shapes are produced at lower speeds depending on side to wall thickness ratio) Tube Cut Length: Min 4 Max 12 meter Length Accuracy: ± 3mm