3inch 76.2mm Tube Mill - High-Quality Pipe Production Solutions

ERW Carbon Steel Tube Mill

Tube Mill Machine Compose

Cold Roll Forming Machine

Steel Coil Slitting Line

Carbon Steel Coil Slitting Line

Steel Coil Cut To Length Line

Auxiliary Equipment And Spare Parts

3inch 76.2mm ERW Pipe Mill

The strip is continuously fed into a series of rollers that gradually bend it into a round shape. High-frequency induction heating melts the edges, and they are pressed together to form a strong, seamless weld. The pipe is then shaped into the required profile (round, square, or rectangular), straightened, and cut to length.

Pipe diameter 21.3mm to 76.2mm, Pipe thickness range 1.0mm to 4.0mm

Product Details

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Product Details

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Product Description

1. Equipment Composition

- Uncoiler
- Shear & End Welder
- Accumulator
- Forming and Sizing Mill
- High Frequency Induction Welder
- Inner and Outer Burr Remover
- Water Cooling Section
- Sizing and Straightening Unit
- Automatic Flying Saw / Cold Saw
- Run-out Table
- Electrical Control Cabinet (PLC System)
- Hydraulic System

2. Technical Parameters

Item	Specification
Tube Diameter	21.3mm – 76mm
Wall Thickness	1.0mm – 4.0mm
Pipe Shape	Round / Square / Rectangle
Material	Carbon steel / Galvanized steel
Line Speed	Up to 90 m/min
Welding Method	High Frequency Induction
Cutting Method	Flying Cold Saw or Friction Saw
Power Supply	380V / 415V, 50Hz / 60Hz, 3-phase
Control System	Siemens PLC + HMI

3. Equipment Advantages

High Stability and Reliability: High-quality components with low failure rates and simple operation, reducing manual intervention.
Versatile Application: Suitable for producing small to medium-diameter straight seam welded pipes, widely used in construction, machinery, oil, and other industries.
Cost-saving: By reducing downtime and optimizing the production process, operating costs are minimized.
High-quality Tubes: Advanced welding technology ensures that the tube quality meets industry standards.

Customer Cases

Saudi Customer Case: 3 sets of 12.7mm-50.8mm straight seam welded pipe mills were successfully commissioned in Saudi, helping the customer enter new markets and meet the demand for small to medium-diameter steel pipes in the construction and machinery manufacturing sectors. The customer reported that the equipment was easy to operate, highly efficient, and stable, greatly improving production efficiency.
Mexico Customer Case: In the Mexico, a company purchased several 12.7mm-50.8mm ERW tube mills to produce tubes mainly used in the renewable energy sector. The high precision and production capacity of the equipment helped the customer tap into new markets, significantly boosting profitability.
China Customer Case: A large steel pipe manufacturer in China uses this equipment to produce welded pipes widely used in the petrochemical industry. The equipment runs stably, and the customer reported that it adapted well to various operating conditions, offering improved production efficiency, reduced maintenance costs, and high-quality output.

The Technical Flow of the Production Line

Steel coil → Uncoiling → Shear & End Welding → Accumulating → Forming → HF Welding → Inner burr removal → Outer burr removal → Cooling → Sizing → Straightening → Cutting → Run-out → Packaging

3inch 76.2 Tube Rolling Mill FAQS

What material can be processed?

Carbon steel, galvanized strip, and low-alloy steel within the specified diameter and thickness range.

Can square and rectangular tubes be made?

Yes, by replacing the sizing rolls or using round-to-square forming.

How to avoid weld seam leakage?

Ensure stable HF power, proper welding squeeze force, and accurate alignment.

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