High Frequency Welded Pipe Mill HG 203x8 Tube Mill Machine
Product Specifications
Attribute |
Value |
Coil Thickness |
1.5-8mm |
Coil Width |
240-640mm |
Inner Diameter |
φ508~φ610mm |
Outer Diameter |
φ1200~φ2000mm |
Maximum Speed |
60m/min |
Warranty |
One Year |
Material |
Low Carbon HRC |
Product Overview
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.
Technical Specifications
1. Raw Material Conditions
- 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)
2. Pipe Size Range
- Round pipe: φ76-φ203mm
- Square tube: 60x60-160x160mm
- Product thickness: 1.5-8.0mm
- Length: 4-7M
- Speed: Maximum 60m/min
Production Process
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

Main Equipment Components
1. Loading Car
- 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
2. One Mandrel Hydraulic Uncoiler
- 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
3. Straight Head Machine
The equipment is used for leading steel strip into leveler smoothly, consisting of pressure arm and shovel head composition.
4. Pinch Leveling Machine
- 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
5. Shear and Welder
- 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
6. Horizontal Accumulator
- 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
7. Forming and Sizing Mill
- 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
8. Milling Saw
- 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
9. Run-out Table, Conveyor
- 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
10. Straightening Machine (Optional)
- Pipe diameter: Φ76-Φ203mm
- Roll distance of correction roller: 650mm
- Correction speed: 20-60m/min
- Motor power: 55kw×2 sets
ERW Tube Mill Other Models
Model |
Diameter Range |
Pipe Thickness |
Molding Speed (m/min) |
Motor Power (KW) |
HG20 |
8-20MM |
0.3-1MM |
30-120 |
55 |
HG32 |
12-32MM |
0.3-2.0MM |
30-120 |
75 |
HG50 |
16-50MM |
0.8-2.5MM |
30-110 |
110 |
HG60 |
20-60MM |
0.8-3MM |
30-100 |
132 |
HG76 |
12-76MM |
1-3MM |
30-100 |
320 |





Q1: Are you manufacturer or trading company?
A1: we are manufactuer , more than 20 years experience.
Q2: What is the max size of pipe you have even produce?
A2: Max φ630mm
Q3:Can I visit your customer machine line?
A3: Yes, but I need to get agreement from my customer firslty.
Q4: what is your machine advantages?
A4:Contain Full automatic, Direct forming square, Share rollers. Fast change system
Q5:How I can get the quotation?
A5:Please send your requires of pipe size , thickness to us.