With advanced forming capabilities, adjustable roller spacing, and state-of-the-art welding options (HF/Laser), the ST50 carbon steel tube mills ensures exceptional consistency, strength, and aesthetics. The energy-efficient drive system enables high-speed production up to 140 meters per minute, while user-friendly controls and robust safety features make operation seamless and secure. Ideal for a wide range of industrial applications, this machine delivers unmatched reliability and productivity in tube manufacturing.
Detailed Process of Tube Production
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Raw Materials: Steel coils or strips are the starting materials.
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Uncoiling: The steel coil is uncoiled to prepare for processing.
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Shearing & Butt Welding: The steel strip is cut and welded to form a continuous strip.
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Storage: The processed strip is stored for subsequent use.
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Leveling: The strip is flattened to ensure it is even and free of wrinkles.
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Forming: The flattened strip is formed into a cylindrical shape.
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HF/Laser Welding: The formed strip is welded using high-frequency/laser welding technology.
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Water Cooling: The welded tube is cooled using water to control temperature and improve strength.
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Sizing: The tube is sized to ensure it meets precise dimensional requirements.
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Speed Measurement: The speed of the tube is measured to ensure consistent production.
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Straightening: The tube is straightened to meet required straightness specifications.
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Fixed-Length Cutting: The tube is cut to the required length for final use.

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Main Technical Performance of the Production Line |
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| Raw Materials | Applicable Materials: Hot-rolled or cold-rolled steel coils of carbon steel and low-alloy steel. |
| Steel Strip Width: 60-240mm | |
| Steel Strip Thickness: 0.6-3.0mm | |
| Tube Making Range | Round Tube Diameter: Φ19-Φ76mm |
| Round Tube Wall Thickness: 0.6-3.0mm | |
| Rectangular Tube Size: 15x15-60x60mm / 10x20-40x80mm | |
| Rectangular Tube Wall Thickness: 0.6-2.2mm | |
| Welding Method | High-frequency induction welding, high-frequency power 200Kw |
| Tube Making Speed | Max 100m/min (Actual speed may vary based on tube specifications and wall thickness) |
| Power Supply | Voltage: AC380V±10%, Phase: 3-phase, Frequency: 50HZ±1.0% |
| Control Power Supply | Voltage: AC220V±10%, Phase: Single-phase, Frequency: 50HZ±1.0% |
| Total Power | Approximately 400Kw |
successful cases
Choose the plan that suits you best.

Construction Industry
Used for manufacturing structural components such as scaffolding, handrails, and support columns.

Automotive Industry
Produces tubes for exhaust systems, hydraulic lines, and structural parts in vehicles.

Furniture Manufacturing
Ideal for creating furniture frames, chair legs, and table supports.

Mechanical Engineering
Used in the production of machine parts, such as shafts and cylinders.
Advantages of ST Tube Mills
Designed to produce high-quality carbon steel tubes efficiently
PLC Control System
Enables intelligent and precise operation.
User-Friendly Design
Simplifies operation and monitoring.
Multi-Material Application
Suitable for hot-rolled, cold-rolled, and galvanized steel strips.
Quick Roll Change Function
Enhances production flexibility and efficiency.
High Production Efficiency
Line speed up to 140 m/min for high output.
Low Wastage
Reduces production costs with minimal waste.
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