The ST40G Welded Pipe Production Line is an automated laser welding system designed to produce high-precision condenser tubes with diameters of Φ3.8–Φ16mm and wall thicknesses of 0.3–1.0mm. It ensures strong welds, excellent surface finish, and accurate dimensions. Features like inline bright annealing, six-roll straightening, and eddy current testing deliver high-quality, defect-free tubes ideal for heat exchangers and condensers.
Precision Manufacturing for Superior Heat Exchange Performance
Ultra-Precise Forming
CNC precision machining ensures accurate tube dimensions (OD: Φ3.8–16mm, wall thickness: 0.3–1.0mm) and perfect roundness for easy assembly.
Advanced Laser Welding
Features a 3000W high-performance laser welder, delivering strong and smooth welds with a minimal heat-affected zone, eliminating the need for post-weld polishing in most cases.
Integrated Bright Annealing
Equipped with a 60KW inline annealing system that relieves stress, enhances corrosion resistance, and provides a bright, oxide-free surface.
Efficient & Flexible Production
Supports 24/7 continuous operation at line speeds up to 30 m/min, with quick-mold change enabling fast switching between tube sizes.
Technical Specifications
| Parameter | Specification |
|---|---|
| Line Model | ST40G (Laser Welding & Annealing Configuration |
| Welding Method | Laser Welding (3000W CW) |
| Annealing Method | Inline annealing + Continuous annealing furnace |
| Tube Diameter Range | Φ3.8 mm - Φ16 mm |
| Wall Thickness Range | 0.3 mm - 1.0 mm |
| Maximum Line Speed | 0 - 30 m/min |
| Main Motor Power | 5.5 kW + 4 kW (Servo AC Motors) |
| Annealing Power | 60 kW + 105kW |
| Control System | Siemens PLC & HMI Touchscreen |
| Power Supply | AC 380V, 50/60 Hz |
Application Industries
HVAC and Refrigeration
Condensers & Evaporators
Automotive Radiators
Air Conditioning Systems
Industrial Heat Exchangers
Chiller Units
Precision Instrumentation
Medical Gas Lines
Watch the ST40G Pipe Production Line in Action
See how our ST40G Laser Welded Pipe Production Line delivers high-precision stainless steel tubing for condensers - from coil to finished pipe.
Optional Equipment
Dual-Head Drawing Production Line for further diameter reduction.
Continuous Atmosphere-Protected Tube Annealing Furnace (105kW) for larger batches or different annealing requirements.
Inline Eddy Current Testing (ECT) System for defect detection.
Inline Laser Micrometer for continuous diameter measurement.
Single-head Coiling Equipment
Intelligent inline Bright Annealing Equipment
Everything You Need to Know
What materials can this production line process?
Low Carbon Steel SPCC, SPCD; Quality Carbon Steel 10#, 20#; Stainless Steel SUS304, SUS430, etc.
Is this welded pipe production line automated?
Yes, the entire process is centrally controlled via a Siemens PLC-based system with a touchscreen interface, allowing one-touch operation, real-time monitoring, and fault self-diagnostics.
Can the condenser tube machine produce different tube sizes without downtime?
Yes, with quick-change mold sets and programmable settings, switching between different tube diameters is fast and efficient.
Do you offer technical support and warranty?
We provide a one-year equipment warranty and lifelong technical support, including remote assistance and on-site service if needed.
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