I.Brief introduction

ERW20 high frequency longitudinal welded pipe production line / pipe making machine / tube forming machine is designed to produce welded pipes of 8mm-20mm in OD and 0.5mm-1.5mm in wall thickness, as well as corresponding square and rectangle tube.

The plain technical flow of the production line

Uncoiling→ Shear & butt welding→ Accumulator→ Forming → HF welding→ Removing outsaide burr → Cooling(air & water)→ Sizing→ Cutting off(flying saw)→ inspection → Packing → Warehousing

II.Basic Technical Information:

1. Specification of pipes

Pipe OD: 8mm-20mm                  Thickness: 0.5mm-1.5mm

Square & rectangle tube: 10mm×10mm -15mm×15mm, Thickness: 0.5mm-1.5mm

Length: 6-12m                         Length Tolerance: ±3mm

2. Raw Material:

Carbon Steel coil  GB/T 700: Q235B(ASTM: GR·D(σs 230) / JIS: SS400)

Width: 36mm-120mm      Thickness: 0.5mm-1.5mm

Coil ID: 450-520mm

Coil OD: Max 1200mm

Coil Weight: 1t

3. Tube mill:

Production Speed:  20-100 m/min

Production capacity: 10,000ton/year

Direction:  left or right decided by customers.

Mill installed capacity: 50 kw

Line Area: 40m(length) ×3.8m (width)        

Tube Bottom Passline (Above floor level):  800 mm

Weight: about 8t