The Stainless Steel Square Welded Tube Mill is an advanced production line designed for manufacturing high-quality stainless steel square and rectangular welded tubes. The complete production line integrates coil feeding, strip forming, TIG/Laser/HF welding, seam treatment, sizing, straightening, cutting, and automatic collection into one continuous manufacturing process.
Designed with high precision forming technology and advanced automation control, the tube mill ensures excellent dimensional accuracy, stable welding quality, high production efficiency, and low operating costs. It is suitable for producing stainless steel square tubes used in construction, furniture, automotive, food processing, medical equipment, decorative engineering, and industrial applications.
The equipment can be customized according to different tube specifications, production capacity, material grades, and customer requirements.
Technical Specifications & Main Parameters
|
Parameter Category |
Specification Details |
|
Raw Material Grade |
Stainless Steel (201, 304, 316, 409, 430, Duplex Stainless Steel) |
|
Strip Thickness |
0.5–3.0 mm (Customizable) |
|
Square Tube Size Range |
10 × 10 mm – 100 × 100 mm (Customizable) |
|
Rectangular Tube Range |
10 × 20 mm – 60 × 120 mm (Customizable) |
|
Max Production Speed |
Up to 45 m/min (Depending on material grade and wall thickness) |
|
Welding Technology |
TIG Welding, Laser Welding, High Frequency (HF) Welding |
|
Total Power |
80–250 kW (Depending on line configuration) |
|
Control System |
PLC + HMI Touch Screen Automation |
Main Features
High Precision Roll Forming: Precision-designed roll forming systems ensure excellent tube geometry, uniform wall thickness, stable forming processes, reduced material deformation, and superior surface quality.
Excellent Welding Performance: Supports TIG welding, laser welding, high-frequency welding, and plasma welding options, delivering a stable welding arc, smooth weld seams, high tensile strength, and a minimal heat-affected zone.
Intelligent Automation: The production line adopts PLC and HMI control systems to achieve automatic production management, featuring automatic speed adjustment, production parameter storage, real-time fault diagnosis, and comprehensive data statistics.
High Production Efficiency: Engineered for continuous high-speed production with fast roll-changing capabilities, stable mechanical operation, low downtime, high material utilization, and energy-saving performance.
Long Service Life: Major machine components are manufactured using premium alloy steel and precision CNC machining technology, ensuring exceptional wear resistance, high rigidity, low maintenance, and long operational life.
Production Process Flow
- Coil Loading
- Decoiler
- Strip Leveling
- Accumulator
- Roll Forming
- Tube Forming
- Welding
- Weld Bead Grinding
- Cooling
- Sizing
- Straightening
- Flying Saw Cutting
- Automatic Run-out Table
- Packing
Applicable Materials
The tube mill is engineered to process various stainless steel materials efficiently:
Stainless Steel 201 / 202
Stainless Steel 304 / 304L
Stainless Steel 316 / 316L
Stainless Steel 409 / 430
Duplex Stainless Steel
Other specialized stainless steel grades
Finished Tube Applications
The high-precision square and rectangular stainless steel tubes produced by this mill are widely utilized across multiple industries:
- Construction and architectural decoration
- Modern furniture manufacturing and interior fittings
- Automotive exhaust systems and structural components
- Food processing machinery and commercial kitchens
- Medical equipment and pharmaceutical manufacturing
- Chemical industry pipelines and storage frames
- Architectural handrails, guardrails, and balustrades
- Elevator decoration and framing structures
- General industrial machinery manufacturing
Optional Equipment & Configurations
Automatic Coil Loading System
Industrial Laser Welder / TIG Welder units
Online Bright Annealing Furnace
Online Weld Bead Polishing Machine
Eddy Current Testing Equipment
Automatic Tube Packing and Bundling System
High-Precision Length Measuring System
Servo Flying Saw Mechanism
Automated Robotic Handling Systems
Customization Service
Customized tube mill solutions are engineered based on specific project parameters. Customization options cover tube size ranges, wall thicknesses, production speeds, material grades, welding methods, automation levels, factory floor layouts, electrical systems, and proprietary control software. Professional engineering teams provide comprehensive technical support from initial layout design to final on-site equipment commissioning.
Quality Assurance
Every tube mill undergoes rigorous quality inspections prior to shipment. Testing protocols include mechanical accuracy checks, roller precision verification, dynamic operational tests, electrical system inspections, welding system testing, safety compliance checks, and trial production runs to guarantee stable operation and reliable performance upon delivery.
FAQ
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