Steel Tube Making Machinery ERW219



ERW219 H.F. Straight Welded Pipe Production Line

ERW219 high frequency longitudinal welded pipe production line / pipe making machine / tube mill is designed to produce welded pipes of 89mm-219mm in OD and 2.0mm-8.0mm in wall thickness, as well as corresponding square and rectangular pipe. 
Products:  architectural structure tubes, low-pressure liquid tubes, coal transmission belt tubes, drive shaft tubes, guardrail tubes, tower footing tubes, automobile beam steel tube and other products.
Equipment advantages:
√ ZTF forming process save roller up to 60%
√ With direct square forming technology, one set of roller can produce all pipe sizes
√ Electric control and automatic adjustment, high precision,high roller change speed
Basic Technical Information of Welded Pipe Production Line 

Product&yield Round Pipe 89mm-219mm                  Thickness:2.0mm-8.0mm
Square & rectangle tube 70mm×70mm -170mm×170mm   Thickness:2.0mm-6.0mm
Length 6m-12m                       Length Tolerance: ±3mm
Production Speed 20-50 m/min
Production capacity 35,000ton/year
Consumption Mill installed capacity 280 kw
Line Area 100m(length) ×9m (width) 
worker 6-8 workers
Raw Material Carbon Steel coil Carbon steel coil  Q235B(ASTM GR·D,σs 230)
Width 280mm-690mm                  Thickness: 2.0mm-8.0mm 
Coil ID 600-800mm
Coil OD Max 2000mm
Coil Weight 8.0t



Round pipe Cold roll forming process Good roller design
ZTF forming process Save roller up to 60% and realize electric control adjustment Read More
Square & rectangular pipe General round-to-square process Stable forming process
Round to square with turkshead Good pipe quality, reach same wall thickness with round pipe 
Process of directly forming into square shape One set of roller can produce all pipe sizes & realize electric control and automatic adjustment Read More


Model Round pipe
Square pipe
Working spead
ERW20 Ф8-Ф20 6x6-15x15 0.3-1.5 120
ERW32 Ф10-Ф32 10x10-25x25 0.5-2.0 120
ERW50 Ф20-Ф50 15x15-40x40 0.8-3.0 120
ERW76 Ф32-Ф76 25x25-60x60 1.2-4.0 120
ERW89 Ф42-Ф89 35x35-70x70 1.5-4.5 110
ERW114 Ф48-Ф114 40x40-90x90 1.5-4.5 65
ERW140 Ф60-Ф140 50x50-110x110 2.0-5.0 60
ERW165 Ф76-Ф165 60x60-130x130 2.0-6.0 50
ERW219 Ф89-Ф219 70x70-170x170 2.0-8.0 50
ERW273 Ф114-Ф273 90x90-210x210 3.0-10.0 45
ERW325 Ф140-Ф325 110x110-250x250 4.0-12.7 40
ERW377 Ф165-Ф377 130x130-280x280 4.0-14.0 35
ERW406 Ф219-Ф406 170x170-330x330 6.0-16.0 30
ERW508 Ф273-Ф508 210x210-400x400 6.0-18.0 25
ERW660 Ф325-Ф660 250x250-500x500 6.0-20.0 20
ERW720 Ф355-Ф720 300x300-600x600 6.0-22.0 20


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