Pipe diameter: φ 89、 φ 114、 φ 168、 φ 219、 φ 245mm 

Square tube specification: 120 ²、150 ²、200 ²

Wall thickness of round pipe: 3-8mm

Fixed length: 6~12m

The product complies with the national standard GB/T3091-2008 Welded Steel Tubes for Low Pressure Fluid Transport

2. Technical performance of the unit

2.1 Raw material: hot rolled strip coil or steel strip coil sheared longitudinally

Strip steel material: Q235, Q345B

Strip steel width: 250~800mm

Width tolerance: ± 0.5mm

Strip steel thickness: 3-8mm

Coil OD: Φ 1000～ Φ 1800mm

Coil ID: Φ 760mm

Coil weight: ≤ 15t

2.2 Main performance of the unit:

Molding method: F-F molding system bottom line positioning

Unit operation direction: right feeding (can be arranged according to site requirements)

Unit operation elevation:+900mm

Forming frame: 7 two roll frames; Three four roll racks;

Sizing rack: 4 universal racks, 2 first racks in Türkiye

Transmission mode: forming centralized transmission DC 2 × 132Kw 

Calibrated centralized drive DC 1 × 160Kw

Forming welding speed: 10 ～ 40 m/min

Welding mode: solid high-frequency welding

Welding power: 600 KW (solid state high frequency)

Unit production capacity: 150000~200000 tons

2.3 Workshop conditions:

Floor area: ～ 24 × 280m

Power supply: 3-phase AC380V 50HZ

Control power supply: single-phase AC220V 50HZ

Compressed air flow: 5 m3/min

Pressure: 0.6118 Mpa (6kg)

Circulating water flow: 120 t/h

Pressure: 0.3 Mpa

Water quality: turbid circulating water (for cooling circulation)

Turbid circulating water storage: 100m3

Installed capacity of unit equipment: ~1400KW

3. Process flow:

coil car → uncoiler →coil opener → coil straightener→shear welder →horizontal accumulator → edge planing → FF rough forming → fine forming → high-frequency welding → external burr scraping → water cooling → sizing unit → Türkiye head straightening → flying saw cutting.

4. Online equipment project:

4.1 Non standard equipment:

4.2 Outsourced supporting equipment: