1. Descriptions of goods:
MA-32 HF Welded Pipe Making Machine for square rectangular and
others special non-standard forming products
2. Specification:
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
3. Finished Pipe Specifications:
(1) Pipe Diameter φ10～φ38mm
(2) Wall Thickness 0.5～2.5mm for round pipes; 0.5-1.8mm for
square/rectangular pipes.
(3) Length of Cutting 4～9m
(4) Length-cutting precision:+/-3mm
Forming Speed
20～100m/min
Total Power Capacity
Approx. 400KW
Compressed Air:
(1) Flow Rate: 6m3/min
(2) Pressure: 5～7kg/ cm2
Water Supply for Machine Set
(1) Flow Rate: 20T/h～30 T/h
(2) Reservation Pool Capacity: 30m3
Workshop Arrangement:
Width of Workshop: 6m
Length of Workshop: 50m
Height of Workshop (from Ceiling Trail to Floor): ≥5 m
4. 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
