ST Machineries Stainless Steel High Frequency Welded Tube Production Line is a complete tube manufacturing system designed for producing high-quality stainless steel welded tubes through advanced high-frequency welding technology.
The production line integrates coil feeding, strip forming, high-frequency welding, weld seam treatment, sizing, straightening, cutting, and automatic collection processes. It is engineered for manufacturers requiring high production efficiency, stable welding performance, precise tube dimensions, and long-term reliable operation.
With professional tube mill design experience and customized manufacturing capability, ST Machineries provides complete solutions for stainless steel tube manufacturers worldwide, supporting various tube sizes, materials, and production requirements.
Technical Specifications
|
Item |
Specification |
|
Material |
Stainless Steel (201, 304, 316, 409, 430, and customized grades) |
|
Tube Shape |
Round Tube / Square Tube / Rectangular Tube / Specialized Profiles |
|
Tube Diameter |
Customized according to client production requirements |
|
Wall Thickness |
Customized according to client production requirements |
|
Production Speed |
Optimized according to tube size, thickness, and material specification |
|
Welding Method |
High Frequency Induction Welding Technology |
|
Automation Level |
Customizable (from standard operation to fully automated PLC/HMI control) |
|
Control System |
Advanced PLC Control System with digital touch screen monitoring |
|
Application |
Industrial Pipe, Structural Tube, and Decorative Tubing Manufacturing |
Main Production Process
Coil Loading & Uncoiling
The stainless steel coil is installed on the uncoiler and continuously supplied to the production line.
Strip Leveling & Feeding
The strip is leveled and guided accurately into the forming section to eliminate internal stress.
Roll Forming
The strip gradually forms into an open tube through multiple precision forming rollers.
High Frequency Welding
The tube edges are heated by high-frequency current and welded together under pressure to form a solid seam.
Weld Seam Treatment
The external weld bead is removed and processed to achieve a clean and smooth surface.
Sizing & Straightening
The welded tube is precisely sized and straightened to achieve strict geometric dimensions.
Cutting
The continuous tube is cut into required lengths by automatic high-speed flying saw equipment.
Collection & Packing
Finished tubes are automatically collected, inspected, and prepared for shipment.
Main Equipment Components
|
Equipment |
Function |
|
Uncoiler |
Feeding stainless steel strip continuously into the line |
|
Leveling Machine |
Flattening strip material and removing coiling memory |
|
Shear & Butt Welding Machine |
Connecting coil ends for seamless continuous production |
|
Accumulator |
Storing strip material to ensure uninterrupted continuous production |
|
Forming Mill |
Executing multi-pass precision tube forming |
|
High Frequency Welding System |
Performing longitudinal seam induction welding |
|
Weld Bead Removing Device |
Removing external weld flash cleanly |
|
Sizing Mill |
Controlling final tube dimensions and tolerances |
|
Straightening Unit |
Improving straightness and eliminating twists |
|
Cutting Machine |
Executing precise fixed-length tube cutting |
|
Run-out Table |
Collecting and discharging finished tubes safely |
Applicable Materials
The production line is suitable for various stainless steel materials:
Stainless Steel 201
Stainless Steel 304
Stainless Steel 316
Stainless Steel 409
Stainless Steel 430
Other customized stainless steel grades and special alloy strips
Applications
Stainless steel HF welded tubes produced by this line are widely used in:
- Construction and architectural decoration
- Automotive exhaust systems and structural parts
- Stainless steel furniture and hardware
- Food processing and dairy equipment
- Chemical equipment and fluid transport
- Heat exchanger tubes and condenser pipes
- Industrial pipelines and fluid systems
- Precision machinery manufacturing
FAQ
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