Second-hand φ813×20mm JCOE pipe line
Second-hand 1020x12mm 3LPE coating line
Second-hand 820x12mm Spiral pipe machine with beveler and hydro tester
Second-hand 1620×18mm Spiral pipe machine with Beveler and Hydro tester
Second-hand 3620x24mm Spiral welded pipe machine
Second-hand 200x200x16mm DFT tube machine
Second hand 2420x20mm Spiral welded pipe machine
Second hand 1220x12mm Spiral welded pipe machine
Second-hand 1820x16mm Spiral pipe machine
Second-hand 1220x16mm Spiral welded pipe machine
Second-hand 2540x25.4mm Spiral pipe machine
Second hand 1620x18mm spiral pipe machine
Second-hand 355×16mm high frequency pipe welding machine
Second-hand 1300×2.5mm slitting machine
Second-hand 2000×16 mm cut to length machine
Second-hand 750 4hi cold rolling mill
Second-hand φ813×20mm JCOE pipe line
Second-hand 1020x12mm 3LPE coating line
Second-hand 820x12mm Spiral pipe machine with beveler and hydro tester
Second-hand 1620×18mm Spiral pipe machine with Beveler and Hydro tester
Second-hand 3620x24mm Spiral welded pipe machine
Second-hand 200x200x16mm DFT tube machine
Second hand 2420x20mm Spiral welded pipe machine
Second hand 1220x12mm Spiral welded pipe machine
Second-hand 1820x16mm Spiral pipe machine
Second-hand 1220x16mm Spiral welded pipe machine
Second-hand 2540x25.4mm Spiral pipe machine
Second hand 1620x18mm spiral pipe machine
Second-hand 355×16mm high frequency pipe welding machine
Second-hand 1300×2.5mm slitting machine
Second-hand 2000×16 mm cut to length machine
Second-hand 750 4hi cold rolling mill
Second-hand 355×16mm high frequency pipe welding machine
Coil preparation - uncoiling - clamping and leveling - end shear welding machine - accumulator - guide roller - forming section - high frequency welding machine - deburring - annealing - air cooling - water cooling - sizing section - flying cutting - conveyor - groove - hydroacoustic test
- 355×16mm HF ERW tube mill
1. General specifications
1.1. Product specifications:
Round tube: Φ114mm – Φ355.6mm
Wall thickness: 4.0mm-16mm (Q235 steel grade, Ys≤250MPA)
Pipeline length: Maximum 6–15 meters (±3 mm)
1.2. Coil specifications:
Coil material: Carbon steel Q195, Q235, Q345
Coil inner diameter: Φ580/Φ760mm
Coil outer diameter: Φ1400mm – Φ2000mm
Maximum weight: 25 tons
Strip width: 350mm – 1105mm (±0.5mm)
1.3. Rolling mill specifications:
Forming method: cold rolling
Forming welding speed: 0-30m/min
Welding machine: solid-state high frequency 1000KW
Installed capacity: 5000KVA
1.4. Source supply:
Dynamic power: as required
Control power: as required
Feeding direction: from left to right
Compressed air: flow: 10m3/min Pressure: 4-7Kg/cm2
Cooling water: HF: 30m3/H; rolling mill: 40m3/H; pressure: 3-5 kg/cm2
Circulating water volume: about 1~3m3/H
Water quality: emulsion
Water tank volume: 120 m3
1.5. Workshop requirements
Height: ≥8m
Length: 120m
Width: 24m
2. Production process
Coil preparation-uncoiling-pinching and leveling-end shear welding machine-accumulator-guide roller-forming section-high frequency welding machine-deburring-annealing-air cooling-water cooling-sizing section-flying cutting-conveyor-beveling-hydroacoustic test
3. Equipment introduction
3.1 Coil car
Capacity: 25 tons
Moving speed: 5m/min
3.2 Uncoiler
Capacity: 25 tons
Uncoiler type: double cone type
Uncoiler speed: 15m/min
Drive: AC motor 5.5KW
3.3 Straight head leveling machine
Pinching roller: 2 rollers
Leveling roller: 5 rollers
Coil: 42CrMo
Drive: AC motor 45KW
3.4 Edge trimming welding machine
Shearing method: hydraulic shears
Welding method: semi-automatic CO2 gas shielded welding
3.5 Accumulator
Energy storage: horizontal spring accumulator
Storage length: 400-600m
Feeding motor: AC110KW
Feed speed: Max.120m/min
3.6 Forming machine
10 horizontal roller frames (H), 6 vertical roller frames (V), 1 guide grinder
Drive: AC75KW driven (8 units), AC110KW driven (3 units)
Spindle size: Φ240mm; 42CrMo
Vertical roller shaft size: Φ160mm; 42CrMo
3.7 Welding section
5 roller extrusion and 2 Blade removes beads and flattens seams
Extrusion shaft: Φ250mm; 42CrMo
Upper roller shaft: Φ130mm; 40Cr
3.8 Guide roller
Horizontal axis: Φ240mm
Upper roller adjustment: 260mm
Drive motor: AC75KW
3.9 Air cooling
Length: 65,000 meters
3.10 Water cooling device
Cool the tube to room temperature.
Length: 8,000 mm
Flow rate: 25m³/h
3.11 Sizing machine
4× horizontal roll stand; 4× vertical roll stand; 2× Turkish head
Drive: AC110KW driven (4 units)
Spindle size: Φ240mm; 42CrMo
Vertical roll shaft size: Φ160mm; 42CrMo
3.12 Computer flying saw
Cutting size: round Φ114-Φ355mm
Thickness: 4.0-16 mm
Mill speed: 0-30m/min
Saw motor: AC55KW
Drive motor: AC47KW
3.13 Rear saw conveyor
Length: 18,000 mm
3.14 Roller tool
Coil material: Cr12
Roller hardness: HRC58-60
Details:
3.15 High frequency induction welding
Model: GP1000
Input power: 3P, 380V, 50HZ
Output power: 1000KW
Output frequency: 200-280KHZ
3.16 Annealing machine
Model: ZP600KW
Input power: 3P, 380V, 50HZ
Cooperation Process
We engage in in-depth requirement communication with clients to understand their specific needs, project scope, requirements, and expectations. During this stage, we establish effective communication channels to ensure mutual understanding of the project.
Based on the client's needs and requirements, we provide customized solutions and product design proposals. Our technical team offers professional advice and solution designs to ensure feasibility and optimization of the proposed solutions.
After confirming the solution design and product specifications, we negotiate cooperation terms with clients, discussing key terms such as cooperation mode, pricing, and delivery time in detail. Once mutual agreement is reached, we sign the formal contract, outlining rights and obligations of both parties.
We commence production according to the contract and design requirements. Throughout the production process, we strictly adhere to quality management systems, conducting comprehensive quality control and supervision to ensure products meet client requirements and standards.
Upon completion of production, we package, transport, and deliver the products to clients on time. We provide user manuals and technical support to ensure clients can use the products correctly.
We commit to providing comprehensive after-sales service and maintenance support, including technical support, training services, and maintenance. We aim to establish long-term and stable cooperation with clients, offering continuous support and service to ensure long-term stable operation of the products.
We value client feedback and opinions, regularly communicating with clients to understand their user experience and changing needs.
Switch to learn more about the cooperation process
After-sales Service
Multilingual Online Technical Support
Regular Remote Monitoring and Inspection
International Logistics and Spare Parts Services
Regular Maintenance and Servicing
Customer Satisfaction Surveys and Improvement
Cross-border Repair and Maintenance Services