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