16 Inch 406mm ERW Tube Mill Factory Professional Pipe Production Suppliers in China

Leading China factory and suppliers of the 16 inch 406mm ERW Tube Mill. This advanced production line utilizes high-frequency induction welding and continuous roll forming for large-diameter carbon steel pipes used in pipelines and construction.

Product Details

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Product Details

The 16-inch (406mm) ERW Tube Mill is a high-performance industrial production line engineered for the precision manufacturing of large-diameter steel pipes. Integrating advanced high-frequency welding technology with a synchronized multi-stage forming process, this system ensures exceptional structural integrity and dimensional accuracy, meeting stringent API 5L and structural steel standards for heavy-duty industrial applications.

Designed for versatility and efficiency, the line features a robust configuration including FFX flexible forming and universal sizing stands, allowing for seamless transitions between different pipe diameters and wall thicknesses. From automated coil loading to final hydrostatic testing and bundling, this integrated solution optimizes throughput while maintaining the highest quality control for oil, gas, and infrastructure projects.

Detailed Parameters

Pipe Diameter RangeΦ219mm – Φ406mmWall Thickness Range4.0mm – 16.0mm
Steel Material SupportQ195–Q345, X42–X70, API 5L/5CTStrip Width Range650mm – 1320mm
Forming Speed3 – 15 m/min (Adjustable)HF Welder Power600 – 1200kW (Solid-State)
Sizing Accuracy±0.5mm (Auto-Adjust)Cutting Tolerance±2mm
Installed Power1000 – 1600 kWStandard Layout SizeApprox. 85m × 8m

Key Advantages


API Standard Compliance

Engineered for API 5L and 5CT standards, ensuring pipes are suitable for high-pressure oil and gas transport.


Uninterrupted Production

Floor-type accumulators and shear-butt welders ensure continuous operation during coil changes.


Precision Sizing

Universal sizing stands with Turkish heads provide ultra-fine adjustment for perfect roundness.


Advanced HF Welding

Solid-state high-frequency welders provide stable, deep-penetration welds with minimal thermal deformation.


Real-time Quality NDT

Integrated Eddy Current and Hydrostatic testers detect weld defects and leaks in real-time.


Smart Recipe Memory

Quick-change mold bases combined with recipe memory systems reduce downtime for size changes.

Product Gallery

Management Platforms

Coil Handling System

Hydraulic coil cars and uncoilers ensure safe, tension-controlled feeding of raw materials.

Forming Control

Dual-motor synchronization with inverter control for stable forming at speeds up to 15m/min.

Thermal Management

High-pressure spray cooling systems stabilize dimensions and control weld seam temperature.

Cutting Synchronization

Servo-driven flying saws synchronize with line speed for precision length cutting.

Testing Suite

Combined Eddy Current and 25MPa Hydrostatic testing for zero-defect assurance.

Finishing Automation

Automated oiling, painting, stacking, and strapping for streamlined logistics.

Investment Return Comparison

Performance MetricStandard Tube MillOur Advanced ERW Line
Production UptimeFrequent stops for coil changeContinuous (via Accumulator)
Setup ChangeoverManual & Slow (Hours)Recipe Memory (Minutes)
Quality Rejection RateRandom Sampling100% Inline NDT Testing
Labor RequirementHigh manual interventionOptimized (6-8 persons/shift)
Dimensional PrecisionStandard ToleranceUltra-precise (±0.5mm)

Frequently Asked Questions

Q: What is the maximum pressure capacity of the hydrostatic tester?

Our integrated hydrostatic tester is capable of testing pipes up to 25MPa, ensuring the strength and sealing integrity of the pipe for high-pressure applications.

Q: Can this tube mill produce both round and square pipes?

Yes, the sizing mill is designed to support both round-to-round and round-to-square forming, providing high flexibility for different product specifications.

Q: How does the floor-type accumulator benefit the production process?

The floor-type accumulator temporarily stores the steel strip, allowing the line to continue running while the operator changes the coil, thereby eliminating downtime.

Q: What materials are compatible with this ERW tube mill?

The line supports a wide range of steel grades, including Q195–Q345, X42–X70, and the API 5L/5CT series, making it ideal for structural and pipeline use.

Q: What is the function of the Eddy Current Tester in the line?

The Eddy Current Tester provides online Non-Destructive Testing (NDT) to detect weld cracks, inclusions, or lack of fusion without stopping the production line.

Q: What options are available for the flying saw cutter?

Depending on your requirements, you can choose from a hot saw, cold saw, or milling cutter, all of which are servo-driven for maximum precision.

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