More than 23 years...
High Frequency (HF) longitudinal welded pipe production line / pipe making machine / tube mill is designed to produce welded pipes of 114mm to 720mm in OD and with a maximum wall thickness of 22mm, as well as corresponding square and rectangular pipe.
Our advanced tube mill incorporates the innovative round-to-square technique, enabling customers to produce the entire range of square pipes within a specified size range using a single set of rollers. Furthermore, this versatile tube mill allows for the shared use of breakdown section rollers when producing round pipes. This dual-functionality significantly reduces roller costs and increases overall productivity. The integration of our proprietary ZTF technology into this tube mill further enhances efficiency by allowing for full automatic adjustment of roller positions. This minimizes or eliminates the need for manual adjustments, leading to reduced labor, maintenance costs, and potential safety hazards. Our tube mill, with its round-to-square capability and ZTF technology, offers a streamlined and highly efficient solution for both square and round pipe production.
Scrolling Up→ Uncoiling → Shear and Welding→ Accumulator→ Forming→ HF induction Welding→ External Burr Removing→ Cooling → Sizing→ Flying Saw → Run Out Table →Inspecting→ Packing→ Warehouse
Highly automated one-button operation. Servo motor automatic positioning.
Round-to-square Share-roller technique. Only 1 set of rollers to fulfill all specifications.
Data transmission is achieved by connecting PLC main station with network.
Line Component | Uncoiler Shear & end welder Accumulator Forming & sizing machine H.F welder Flying saw Stacking & packing machine |
Special | Hydraulic testing machine, intermediate frequency annealing machine, ultrasonic flaw detection machine, etc. |
Material |
High strength steel, Low carbon steel, GI, etc |
Strip Steel Width | 90 mm- 400mm |
Strip Steel Thickness | 1.2 - 4.0mm |
Strip Steel Coil |
Inner diameter:Φ 508-610 mm Outer diameter:Φ Max.2000 mm Weight: Max=4.0 T |
Round Pipe | Φ8-Φ89 mm |
Thickness | 1.2-4.0 mm |
Square Tube | 10x10-70x70 mm |
Thickness | 1.2-4.0 mm |
Rectangular Tube | 20x40-50x100 mm |
Thickness | 1.2-4.0 mm |
Length | 6-12 m |
Forming Speed | 50-120 m/min (Attn: Max pipe diameter thickness doesn't correspond with the max speed) |
Feeding Direction | Left feeding (or right feeding), option by customer |
Electric Installed Capacity | Approx. 600 kw |
Production Line Size | 70×6 m |
Color of Machines | Blue or customized |
Yearly Out-put | About 40,000 tons |
Line speed can be up to 120m/min.
Low unit wastage and low production cost.
Diameter error is only 0.5/100 of the pipe OD.
Shijiazhuang Zhongtai Pipe Technology Development Co., Ltd.was established in 2000 locating in Shijiazhuang, the capital city of Hebei Province. The factory covers an area of 67,000 square meters. Our main products consist high frequency straight welded pipe production line, cold roll steel production line, multi-function cold roll steel/welded pipe production line, slitting line production line, stainless steel pipe mill, various pipe mill auxiliary equipment and rollers, etc.
ERW TUBE MILL LINE |
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Model |
Round pipe mm |
Square pipe mm |
Thickness mm |
Working spead m/min |
|
ERW20 |
Ф8-Ф20 |
6x6-15×15 |
0.3-1.5 |
120 |
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ERW32 |
Ф10-Ф32 |
10×10-25×25 |
0.5-2.0 |
120 |
|
ERW50 |
Ф20-Ф50 |
15×15-40×40 |
0.8-3.0 |
120 |
|
ERW76 |
Ф32-Ф76 |
25×25-60×60 |
1.2-4.0 |
120 |
|
ERW89 |
Ф42-Ф89 |
35×35-70×70 |
1.5-4.5 |
110 |
|
ERW114 |
Ф48-Ф114 |
40×40-90×90 |
1.5-4.5 |
65 |
|
ERW140 |
Ф60-Ф140 |
50×50-110×110 |
2.0-5.0 |
60 |
|
ERW165 |
Ф76-Ф165 |
60×60-130×130 |
2.0-6.0 |
50 |
|
ERW219 |
Ф89-Ф219 |
70×70-170×170 |
2.0-8.0 |
50 |
|
ERW273 |
Ф114-Ф273 |
90×90-210×210 |
3.0-10.0 |
45 |
|
ERW325 |
Ф140-Ф325 |
110×110-250×250 |
4.0-12.7 |
40 |
|
ERW377 |
Ф165-Ф377 |
130×130-280×280 |
4.0-14.0 |
35 |
|
ERW406 |
Ф219-Ф406 |
170×170-330×330 |
6.0-16.0 |
30 |
|
ERW508 |
Ф273-Ф508 |
210×210-400×400 |
6.0-18.0 |
25 |
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ERW660 |
Ф325-Ф660 |
250×250-500×500 |
6.0-20.0 |
20 |
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ERW720 |
Ф355-Ф720 |
300×300-600×600 |
6.0-22.0 |
20 |
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STAINLESS STEEL PIPE PRODUCTION LINE |
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Model |
Round pipe mm |
Square pipe mm |
Thickness mm |
Working speed m/min |
|
SS25 |
Ф6-Ф25 |
5×5-20×20 |
0.2-0.8 |
10 |
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SS32 |
Ф6-Ф32 |
5×5-25×25 |
0.2-1.0 |
10 |
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SS51 |
Ф9-Ф51 |
7×7-40×40 |
0.2-1.5 |
10 |
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SS64 |
Ф12-Ф64 |
10×10-50×50 |
0.3-2.0 |
10 |
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SS76 |
Ф25-Ф76 |
20×20-60×60 |
0.3-2.0 |
10 |
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SS114 |
Ф38-Ф114 |
30×30-90×90 |
0.4-2.5 |
10 |
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SS168 |
Ф76-Ф168 |
60×60-130×130 |
1.0-3.5 |
10 |
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SS219 |
Ф114-Ф219 |
90×90-170×170 |
1.0-4.0 |
10 |
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SS325 |
Ф219-Ф325 |
170×170-250×250 |
2.0-8.0 |
3 |
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SS426 |
Ф219-Ф426 |
170×170-330×330 |
3.0-10.0 |
3 |
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SS508 |
Ф273-Ф508 |
210×210-400×400 |
4.0-12.0 |
3 |
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SS862 |
Ф508-Ф862 |
400×400-600×600 |
6.0-16.0 |
2 |
Read More |