6 Inch ERW Tube Mill Machine for High-Strength Steel up to 550 MPa Yield Strength

High-Speed 6 Inch ERW Tube Mill Solution for Premium Tube Manufacturing

The 6 Inch ERW Tube Mill from AIS MACHINERY is a high-performance tube manufacturing solution designed for producing high-quality welded steel pipes with yield strength up to 550 MPa. Featuring advanced automation, stable operation, and high production efficiency, this tube mill is ideal for manufacturers seeking reliable performance, reduced labor costs, and superior finished tube quality.

From coil loading to tube cutting and automatic packaging, every stage of the production process is engineered to maximize productivity while ensuring precision and safety.

Key Advantages of AIS MACHINERY 6 Inch ERW Tube Mill

Designed for High-Strength Steel Production

The mill is specifically engineered to process carbon steel, high-strength steel, and structural steel grades with yield strengths up to 550 MPa, ensuring stable forming and excellent weld quality even at high production speeds.

15-Ton Single Cone Uncoiler with Loading Car

The line is equipped with a robust 15-ton single cone hydraulic uncoiler and coil loading car for efficient material handling.

Features include:

• Hydraulic coil loading system

• Coil centering function

• Hold-down arm and straightener

• Stable decoiling at high line speeds

• Reduced coil changeover time

Fully Automatic Shear and Butt Welding Machine

To minimize labor requirements and improve production continuity, the line utilizes a fully automatic shear and butt welder equipped with a Lincoln welding system.

Automatic functions include:

• Coil head and tail trimming

• Strip alignment and centering

• Welding preparation

• Automatic welding gun travel

• Consistent welding quality

This significantly reduces operator intervention and improves production efficiency.

High-Capacity Ground-Type Accumulator

The heavy-duty ground accumulator provides increased strip storage capacity compared to conventional designs.

Benefits include:

• Stable strip feeding

• Reduced line stoppages during coil changes

• Continuous production at high speed

• Improved tube quality consistency

Worm Gear Adjustment for Forming and Sizing Sections

The forming and sizing stands feature precision worm gear and worm shaft adjustment systems, allowing quick and accurate roller positioning.

Advantages include:

• Precise roll adjustment

• Improved dimensional accuracy

• Reduced setup time

• Better repeatability between production runs

Optional Offline Quick Change System

For manufacturers producing multiple tube sizes, AIS MACHINERY offers an Offline Quick Change (OFC) System.

Benefits include:

• Rapid roll changeover

• Reduced downtime

• Increased production flexibility

• Higher equipment utilization

Reliable AC Motor Drive System

The complete production line adopts a reliable AC motor drive system, delivering:

• Stable speed control

• Lower maintenance costs

• Energy efficiency

• Long service life

CSA, UL, and CE Compliant Electrical Control System

The electrical control system can be designed to meet international standards, including:

• CSA Certification

• UL Compliance

• CE Certification

This makes the machine suitable for customers in North America, Europe, and other global markets.

High-Speed Flying Cold Saw

The line is equipped with an advanced Flying Cold Saw for precise tube cutting.

Advantages include:

• Burr-free cutting

• High cutting accuracy

• Improved safety

• Reduced noise

• Lower maintenance costs

Compared with traditional friction saws, cold saw technology provides superior cut quality and operational safety.

Optional Automatic Stacking and Bundling System

To further improve production efficiency and reduce labor costs, AIS MACHINERY offers:

• Automatic tube stacking machine

• Automatic tube bundling machine

• Automatic conveying system

These options create a highly automated production environment and improve overall plant productivity.

Technical Specifications

Applications

The 6 Inch ERW Tube Mill is widely used for producing:

• Structural tubes

• Construction pipes

• Mechanical tubing

• Agricultural pipes

• Automotive tubes

• Furniture tubing

• Infrastructure projects

• High-strength industrial tubing

Why Choose AIS MACHINERY?

AIS MACHINERY focuses on providing tube mill solutions that combine:

• High production efficiency

• Reliable machine performance

• Advanced automation

• Reduced labor costs

• Long service life

• Global certification compliance

• Professional after-sales support

Our engineering team works closely with customers to deliver the most suitable tube production solution based on product requirements, production targets, and investment budgets.

Whether you are establishing a new tube manufacturing facility or upgrading an existing production line, AIS MACHINERY can provide a customized ERW tube mill solution to maximize your return on investment.

Frequently Asked Questions (FAQ)

1. What steel grades can this 6 Inch ERW Tube Mill process?

The mill can process carbon steel, low-alloy steel, and high-strength steel with yield strengths up to 550 MPa while maintaining stable forming and welding quality.

2. Is the shear and butt welding process fully automatic?

Yes. The automatic shear and butt welder performs strip cutting, alignment, centering, and welding automatically using a Lincoln welding system, significantly reducing manual operation.

3. Can the tube mill be equipped with a quick roll change system?

Yes. An optional Offline Quick Change (OFC) system is available to reduce changeover time and increase production efficiency when manufacturing multiple tube sizes.

4. What are the advantages of the flying cold saw?

The flying cold saw provides burr-free cutting, higher dimensional accuracy, safer operation, lower noise levels, and reduced maintenance compared with conventional friction saws.

5. Can the electrical system comply with North American standards?

Yes. The electrical control system can be designed to meet CSA and UL requirements for North America, as well as CE standards for European markets.

Request a Quote

Looking for a reliable high-speed ERW tube mill for high-strength steel production?

Contact AIS MACHINERY today to discuss your project requirements and receive a customized tube mill solution designed for maximum productivity, efficiency, and long-term profitability.