High Frequency Welded Pipe Mill HG 165.2x9mm ERW Steel Pipe Production Line

The HG 165.2x9(7") high precision high frequency welded pipe production line is designed for manufacturing structural pipes with the following capabilities:

• Round pipe diameter: 76.3-165.2mm with thickness 2.0-9.0mm
• Square pipe size: 75x75-150x150mm with thickness 2.0-9.0mm
• Rectangular pipe size: 100x50-200x100mm with thickness 2.0-9.0mm

This production line incorporates advanced technology with PC/computer control, offering convenient operation and maintenance while achieving international standards.

• Material: Hot rolled or cold rolled steel strip (SRT355, SGT355, STK490, SGH490, POSMAC)
• Thickness: 2.0-9.0mm
• Width: 230-600mm
• Coil inner diameter: Φ508mm
• Coil outer diameter: Φ1200-Φ2000mm (final confirmation by buyer)
• Max coil weight: 10 tons
• Mill speed: Max 60m/min
• Strip edge condition: Slitter
• Line direction: Right to Left

The complete manufacturing process includes:

• Uncoiler → Straight head → Shear and welder → Accumulator → Forming
• HF welder → Bead cutter → Cooling → Sizing → Turkey head
• Saw → Run out table → Straightening machine (optional) → End facer → Packing → Storage

• Coil outer diameter: Φ1200-2000mm
• Strip width: 230-600mm
• Max strip weight: 10 tons
• Speed: 5m/min
• Lift type: Hydraulic

• Expand type: Hydraulic expand
• Drive motor: 4kw, 380V
• Mandrel rotation speed: Nmin=1r/min
• Features tension adjustable type water cooling disk brake

• Leveling motor: 15KW
• Pinch roll diameter: Φ210x900mm (material: 40Cr)
• Leveling roll diameter: Φ160x900mm (material: 40Cr)
• Leveling width: 230-600mm
• Pinch/Leveling speed: 0-11M/Min

• Conventional W Bending type with helical gear reducer
• U-Joint quick change system for roll change
• Driving motor power: 160Kw
• 4-Roll type squeeze roll stands with AC motor adjustment
• Outside bead cutter with 2 heads (hydraulic adjustment)

• Max line speed: 60m/min
• Pipe cutting length: 4000-15000mm
• Cutting precision: ±2mm
• Quantity of burrs: Max 0.2mm
• Servo motor driven with 37kw main motor
• Features 3 groups of hydraulic clamps with cone-shaped entrance

• Total length: ~25 meters with 600mm roll pitch
• AC motor driven with speed control by inverter
• Automatic sorting of good and defective pipes
• Air blowing system for outer side cleaning

• Pipe diameter: Φ76.3-Φ165.2mm
• Correction speed: 20-60m/min
• Motor power: 55kw×2 sets
• Upper roller lifting range: 250mm
• Features worm gear box adjustment for precise control