China Auto Steel Round Square Special Shaped Pipe Making Machine

High Speed Welding Steel Tube Mill Industrial Pipe Making Machine
Yangzhou KRD Machinery CO.,LTD is a manufacturer which specializing in the production of High frequency welded tube mill,cold rolling mill as well as cut-to length line.
Our company pursue excellence, quality of product of after-sales service system, We have more advanced technology and high quality instruments&equipments which imported from korea and japan in the industry .
Our machines are exported to the overseas market more than 17 years.
Because of their own advantage of our products,highly praised by our customers around the world.

KRD-YF32 high frequency longitudinal welded pipe production line / pipe making machine / tubemill is designed to produce welded pipes of φ12.7mm-40mm and round δ0.5mm-1.8mm/ square δ≤1.4mm.
Products: GI, carbon steel and stainless steel tubes for metallurgy, construction, transportation, machinery and vehicle industries.
√ High production efficiency, line speed can be up to 120m/min.
√ High yielding, the machine works stably at a high speed, which improves the yielding of products.
√ Low wastage, low unit wastage and low production cost.
√ High accuracy, diameter error is only 0.5/100 of the pipe OD.
Basic Technical Information of Welded Pipe Production Line
Product&yield
Round Pipe
12.7mm-40mm
Thickness:0.5mm-1.8mm
Square
Thickness:≤1.4mm
Length
4m-6m
Length Tolerance: ±3mm
Production Speed
30-120 m/min
Production capacity
10,000ton/year
Consumption
Total Power of Supply
≈2790 kw
Line Area
38m(length) x4m (width)
worker
6-8 workers
Raw Material
Carbon Steel coil
Q235B(ASTM GR·D,σs 230)
Width
40mm-130mm
Thickness: 0.5mm-1.8mm
Coil ID
470-530mm
Coil OD
Max 1350mm
Coil Weight
1.0-1.5t
Technical flow
Raw material (with steel strip coil) → decoiler → shear and butt-welder → strip sccumulator → passively leveling → forming machine → high frequency welding → remove the burrs outside → spraying & cooling → sizing machine → straightening → fixed length cutting → run out table → finished tube
Forming process
Round pipe
Cold roll forming process
Good roller design
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