High Frequency Welded Pipe Mill 1-4mm Thickness 50-101.6mm Diameter

The HG114 High-Frequency Welded Pipe Mill Line is designed to produce welded pipes of 50～101.6mm in diameter with 1.0～4.0mm wall thickness, including square, rectangular, and deformed pipes of corresponding sizes. Featuring roll pass design, this production line delivers welded steel pipes with excellent machining quality and high precision assembly.

Engineered for improved operational characteristics, enhanced safety, and reduced roller costs, the HG114 production line utilizes a double-radius hole design for maximum efficiency.

• Material Specifications: Conforms to YB189-64 standard (Low carbon steel and low alloy constructional steel)
• Mechanical Properties: σb≤520Mpa, σs≤340MPa
• Strip Width: 160～320mm
• Strip Thickness: 1.0～4.0mm
• Pipe Diameter: φ50～φ101.6mm
• Cutting Length: 4～6m (±0～3mm precision)
• Forming Speed: 20～60m/min

Workshop requirements: 8m width × 100m length × 5m minimum ceiling height

Complete workflow from coil to finished product:

Coil Loading → Cutting/Welding → Accumulator → Forming → HF Welding → Deburring → Cooling → Sizing → Straightening → Cold-cutting → Transmitting → Packing → Storage

• Double expansion cantilever mandrel design
• Pneumatic system for expansion/contraction/braking
• Coil capacity: φ1000-1600mm OD, φ480-510mm ID
• Max strip weight: 5T

• Hydraulic cylinder controlled upper pressure roller
• 3KW AC motor drive
• Adaptable to various coil sizes

• Hydraulic shear cutting
• Automatic welding mode
• Handles 160-320mm width, 1.0-4.0mm thickness

• Max material velocity: 180m/min
• 37KW accumulator frame motor
• No surface damage to strip steel

• Heats weld area to 900-950°C (15mm width)
• 500KW medium frequency power supply
• Temperature/speed closed-loop control

• Precision high-speed cutting
• 22KW servo drive motor
• 5.5KW feeding motor with brake

• PLC controlled automatic operation
• Processes 8-12 pieces/min
• Handles pipes up to 6m length

• 4-station hydraulic press
• Max test pressure: 5MPa (50bars)
• Radial seal design
• Tests 4 pipes simultaneously

One-year warranty covering free replacement of components damaged under normal operation. Technical support available within 48 hours of notification during warranty period. Post-warranty repair services available (parts cost borne by purchaser).