High Frequency Welded Pipe Mill HG 203x8 for Round and Square Tubes

The HG 165.2x9 high precision high frequency welded pipe production line is designed for structural pipe production, capable of manufacturing:

• Round pipes: φ76-203mm with thickness 1.5-8.0mm
• Square pipes: 60x60-160x160mm with thickness 1.5-8.0mm

This production line incorporates innovative design with full PC/computer control, offering advanced technology, convenient operation and maintenance, meeting international standards.

• Hot rolled or cold rolled steel strip
• Material: SRT355, SGT355 (STK490, SGH490, POSMAC)
• Strip thickness: 1.5-8.0mm
• Strip width: 240-640mm
• Coil inner diameter: Φ508mm
• Coil outer diameter: Φ1200-Φ2000mm (final confirmation by buyer)
• Maximum coil weight: 10 ton
• Mill speed: Maximum 60m/min
• Strip edge condition: Slitter
• Line direction: Right to Left (final confirmation by buyer)

• Round pipe: φ76-φ203mm
• Square tube: 60x60-160x160mm
• Product thickness: 1.5-8.0mm
• Length: 4-7M
• Speed: Maximum 60m/min

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 → Store

• Coil outer diameter: Φ1200-2000mm (final confirmation by buyer)
• Strip width: 240-640mm
• Maximum strip weight: 10 ton
• Speed: 5m/min
• Lift type: Hydraulic
• Oil cylinder model: Y-HG1-E200/120x860LF3-L1o

• Structure: One mandrel hydraulic uncoiler
• Coil outer diameter: Φ1200-2000mm
• Coil inner diameter: Φ508mm
• Strip width: 240-640mm
• Strip thickness: 1.5-8.0mm
• Maximum strip weight: 10.0 ton
• Expand type: Hydraulic expand
• Drive motor: 4kw, 380V
• Mandrel rotation speed: Nmin=1r/min

The equipment is used for leading steel strip into leveler smoothly, consisting of pressure arm and shovel head composition.

• Leveling motor: 15KW
• Pinch roll diameter: Φ210x900mm (material: 40Cr)
• Leveling roll diameter: Φ160x900mm (material: 40Cr)
• Leveling width: 240-640mm
• Pinch/Leveling thickness: 1.5-8.0mm
• Pinch/leveling Speed: 0-11M/Min

• Steel strip thickness: 1.5-8.0mm
• Steel strip width: 240-640mm
• Cutting type: Hydraulic
• Compress type: Hydraulic
• Welding type: Motorizing move
• Brand: Shanghai CO2 welder
• Hydraulic working pressure: 10Mpa
• Blade material: H13

• Diameter: 10000mm
• Steel coil thickness: 1.5-8.0mm
• Strip width: 240-640mm
• Carry material going velocity: Vmax=100-180m/min
• Feeding motor power: DC 90kw Z4-200-31 (maker: WANGPAI)
• Accumulator body motor power: AC 15KWX16
• Storage length: 500-1000M

• Conventional Type: W Bending
• Reducer Group Drive Type: Helical Gear (Carburizing)
• U-Joint quick change system (Spare Shafts for Roll Change and B/R Box 1set)
• Entry Side guide & Pinch Roll system

• Pipe material: SRT355, SGT355 (STK490, SGH490, POSMAC)
• Round pipe: 76-203 mm, Thickness: 1.5-8.0mm
• Square pipe: 75x75-150x150 mm, Thickness: 1.5-8.0mm
• Maximum line speed: 60m/min
• Pipe cutting length: 4000～15000 mm
• Cutting precision: ±2 mm

• Total length: Approximately 25 meters
• Roll pitch: 600 mm
• Drive: AC Motor (3EA) with chain and speed control by inverter
• Includes inspection skid and bad pipes pocket

• Pipe diameter: Φ76-Φ203mm
• Roll distance of correction roller: 650mm
• Correction speed: 20-60m/min
• Motor power: 55kw×2 sets