I.Brief introduction

ERW406high frequency longitudinal welded pipe production line / pipe making machine / tube forming machine is designed to produce welded pipes of 219mm-406mm in OD and 6.0mm-16.0mm in wall thickness.

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: 219mm-406mm                  Thickness: 6.0mm-16.0mm

Square & rectangle tube: 170mm×170mm – 330mm×330mm, Thickness: 6.0mm-15.0mm

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

2.Raw Material:

Material:  Carbon steel coil  

Width: 520mm-1340mm                 Thickness: 6.0mm-16.0mm

Coil ID:580-760mm

Coil OD: Max 2300mm

Coil Weight: 35t

3. Tube mill

Production Speed : 30 m/min

Production capacity: 180,000ton/year

Direction : left or right decided by customers.

Mill installed capacity : 880 kw

Line Area : 160m(length) ×16m (width)

Tube Bottom Passline (Above floor level) : 1000mm