Precision Tube Mill for Large Diameter Round Square Rectangular Pipes
Precision Tube Mill Large Diameter Industrial Tube Mills Straight Seam Pipe Mill Line Key Specifications Adjustment Type: By turbine worm Cutting Saw: Cold Saw & Friction Saw Cutting Pipe Shape: Round, square, rectangular Welding Type: High Frequency Welding Product Description This industrial tube mill is designed for producing high-frequency straight seam welded pipes with diameters ranging from Φ19.05-Φ76.2mm and wall thickness of 0.8-3.0mm, including corresponding square
- Adjustment Type: By turbine worm
- Cutting Saw: Cold Saw & Friction Saw Cutting
- Pipe Shape: Round, square, rectangular
- Welding Type: High Frequency Welding
This industrial tube mill is designed for producing high-frequency straight seam welded pipes with diameters ranging from Φ19.05-Φ76.2mm and wall thickness of 0.8-3.0mm, including corresponding square and special-shaped pipes (δ≤2.5mm). The complete production line includes equipment from uncoiler to fixed length cutting saw, with adjustable rolling speed optimized for different pipe dimensions.
- Hot or cold-rolled steel strip (GB708-88 or GB1591-88 standards)
- Material types: Low-carbon steel, low alloy steel (δs≤345Mpa, δb≤610Mpa)
- Steel strip thickness: 0.8-3.0mm (GB708-88 standard)
- Steel strip width: 60-240mm
- Coil dimensions: I.D. Φ450-Φ550mm, O.D. Φ800-Φ1200mm
- Maximum coil weight: 3000kgs
- Round Pipe: Φ19.05-Φ76.2mm O.D.
- Square Pipe: 18x18~60x60mm
- Rectangle Pipe: 15x20~40x80mm
- Wall Thickness: 0.8-3.0mm (square/special pipes ≤2.5mm)
- Length: 4-8m
- Milling Speed: 30-80M/min (varies by pipe diameter/thickness)
- Raw material (steel coil)
- Uncoiling
- Shearing and end welding
- Material accumulating
- Non-power leveling
- Mill-forming
- High-frequency welding
- Removing weld seam burrs
- Cooling
- Sizing
- Rough straightening
- Fixed length cutting
- Finished tube
| Model | Diameter Range | Pipe Thickness | Line Speed (m/min) |
|---|---|---|---|
| HG20 | 8-25.4MM | 0.3-1.2MM | 120 |
| HG32 | 10-32MM | 1.4-1.5MM | 120 |
| HG50 | 16-76MM | 0.7-2.5MM | 30-120 |
| HG76 | 25-76MM | 1-4MM | 30-100 |
| HG89 | 32-89MM | 1-4.5MM | 30-80 |
| HG114 | 45-114MM | 1.5-5.0MM | 30-60 |
| HG165 | 60-165MM | 3-7MM | 30-50 |
| HG219 | 114-219MM | 4-8MM | 20-40 |
| HG273 | 114-273MM | 4-10MM | 15-30 |
| HG325 | 165-325MM | 4-10MM | 10-30 |
| HG426 | 165-426MM | 4-12.7MM | 8-25 |
| HG508 | 219-508MM | 4-16MM | 8-20 |
Low carbon steel, low alloy steel, galvanized steel, stainless steel, and other standard ERW pipe mill raw materials.
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