High-Frequency ERW Pipe Mill Line is mainly used for making ERW welded steel pipes. ERW is short for Electric Resistance Welding. At present, ERW pipe occupies a decisive position in the field of conveying pipe in the world. A high frequency welding tube mill line is a welded pipe production line for producing steel pipes of different sizes and shapes. The automatic ERW tube mill line typically consists of a set of forming rolls, high-frequency induction welders, and other components. The forming rolls are used to shape the steel into the desired shape and size. The ERW welding machine is used to weld the edges of the steel together to create a watertight seal. This line of ERW tube mill carbon steel is commonly used to produce pipes for oil, gas, and water transportation. Our high-frequency ERW pipe mill is featured with the advantages of high production efficiency, low cost, material saving, and easy automation.
A: suitable strip coils
1. Suitable material: Carbon steel coil;
Alloy Steel Coil; API5L X42-X80
(For reference only, will be as requests)
2. Suitable strip width range: 13mm-2261mm
3. Wall Thickness: 0.2mm-22mm
B. Finished products
1.Pipe O. D. φ4mm-φ720mm
2.Thickness: 0.2mm-22mm
3.Square tube: 6mmx6mm-600mmx600mm, thickness: 0.3mm-22mm
Length: 6m-12m
Length tolerance:+/-3mm
C. Equipment data (for reference only)
Production speed: 20-120m/min
Direction: Left to right or right to left from operator's side(as requests by customer)
Capacity: 10,000 ton/year-180, 000 ton/year
Electricity input power: 50kW-1400kW
Foundation: 40m–400m (length) x 3.8m-40m (width)
Weight: About 30ton–300ton.
Operator: 6-8 people (as size requests)
| Model | Round pipe | Square pipe | Thickness | Speed |
| mm | mm | mm | m/min | |
| RFT-12 | Ф4-Ф12 | 0.2-0.5 | 120 | |
| RFT-16 | Ф6-Ф16 | 0.2-0.8 | 120 | |
| RFT-20 | Ф8-Ф20 | 6x6-15x15 | 0.3-1.0 | 120 |
| RFT-25 | Ф10-Ф25 | 7x7-19x19 | 0.3-1.5 | 120 |
| RFT-32 | Ф12-Ф32 | 9x9-25x25 | 0.5-2.0 | 120 |
| RFT-50 | Ф20-Ф50 | 15x15-39x39 | 0.8-3.0 | 120 |
| RFT-76 | Ф32-Ф76 | 25x25-59x59 | 1.2-4.0 | 120 |
| RFT-89 | Ф42-Ф89 | 35x35-70x70 | 1.5-4.5 | 110 |
| RFT-114 | Ф48-Ф114 | 40x40-90x90 | 1.5-4.5 | 70 |
| RFT-140 | Ф60-Ф140 | 50x50-110x110 | 2.0-5.0 | 60 |
| RFT-165 | Ф76-Ф165 | 60x60-130x130 | 2.0-6.0 | 55 |
| RFT-219 | Ф89-Ф219 | 70x70-170x170 | 2.0-8.0 | 50 |
| RFT-273 | Ф114-Ф273 | 90x90-210x210 | 3.0-10.0 | 45 |
| RFT-325 | Ф140-Ф325 | 110x110-250x250 | 4.0-12.7 | 40 |
| RFT-377 | Ф165-Ф377 | 130x130-280x280 | 4.0-14.0 | 35 |
| RFT-406 | Ф219-Ф406 | 170x170-330x330 | 6.0-16.0 | 30 |
| RFT-508 | Ф273-Ф508 | 210x210-400x400 | 6.0-18.0 | 25 |
| RFT-660 | Ф325-Ф660 | 250x250-500x500 | 6.0-20.0 | 20 |
| RFT-720 | Ф355-Ф720 | 300x300-600x600 | 6.0-22.0 | 20 |
Regarding its classification, ERW pipes can be roughly divided into 2 forms of ERW AC welding steel pipes and ERW DC welded steel pipes. And according to a different frequency, ERW seam-welded tubes can also be classified into low-frequency welding pipes, medium frequency welding pipes, and supercurrent welding pipes. Normally, high-frequency welding is mainly used in the production of thin-walled pipes or ordinary wall-thick ERW pipes, and high-frequency soldering is also divided into contact welding and induction welding. Currently, the ERW pipe is mainly used in tap water engineering, the petrochemical industry, the chemical industry, the electricity industry, agricultural irrigation, and urban construction. Concerning the significance of the ERW pipes in various industries, it is then of great importance to choose reliable ERW pipe manufacturing machines. And Hangzhou Roll Forming Technology can help you with that!
| Machine Condition | Fully New, A Grade quality |
| Size | As requests |
| Power Supply | 220V/380V/415V/460V/480V, 50/60Hz, 3P (as requests) |
| Equipment Weight | About 30ton-300ton |
| Dimension | 40m–400m (length) x 3.8m-40m (width) |
| LOADING SIZE | Normally need 4-30 x 40' containers |
| Equipment Color | normally Blue/Green/White, or as requests |
| Place of Origin | Zhejiang, China (Mainland) |
| Packing | Standard and careful export packing |
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