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China ERW20 Carbon Steel Hf Straight Welded Pipe Production Line
ERW Pipe Machine Pipe Production Line Pipe Mill manufacturer / supplier in China
the small round tube making machine series of Zhongtai Company are mainly designed and developed to meet the demand of customers for producing small thin-walled zinc-plating, plain carbon steel and stainless steel round tubes.

Features of small round tube making machine: high precision, high speed and high stability.
Process of small round tube making machine: general roll forming process
The main models include:
ERW32 unit series: tube diameter: 10-32mm; wall thickness: 0.8-1.5mm
ERW50 unit series: tube diameter: 20-50mm; wall thickness: 0.8-3.0mm
ERW60 unit series: tube diameter: 25-60mm; wall thickness: 0.8-3.25mm
ERW76 unit series: tube diameter: 33-76mm; wall thickness: 1.5-4.0mm

 

I.Brief introduction

ERW76 high frequency longitudinal welded pipe production line / pipe making machine / tube forming machine is designed to produce welded pipes of 32mm-76mm in OD and 1.2mm-4mm 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: 32mm-76mm                  Thickness: 1.2mm-4mm

Square & rectangle tube: 25mm×25mm – 60mm×60mm, Thickness: 1.5mm-3mm

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

2.Raw Material:

Material:  Carbon steel coil  Q235B(ASTM GR·D,σs 230)

Width: 105mm-240mm      Thickness: 1.2mm-4mm

Coil ID: 450-520mm

Coil OD: Max 1600mm

Coil Weight: 2t

3. Tube mill

Production Speed : 20-100m/min

Production capacity: 20,000ton/year

Direction : left or right decided by customers.

Capacity : 15,000ton/year  

Mill installed capacity : 120 kw

Line Area : 70m(length) ×5m (width)       

Tube Bottom Passline (Above floor level) : 800 mm

Weight : about 24t