Precision Extruded Aluminum Single Chamber Radiator Tubes

Sinupower is a professional Manufacturer of high-precision aluminum thermal components. Our Precision Extruded Aluminum Single Chamber Radiator Tubes are single-passage aluminum conduits engineered for maximum heat transfer efficiency in liquid-to-air cooling systems. These tubes provide a controlled flow path that maximizes coolant contact with the tube wall, ensuring rapid and uniform heat extraction. Unlike multi-port designs, the single-chamber configuration minimizes pressure drop while simplifying system integration.

Why Sinupower for Precision Extruded Aluminum Single Chamber Radiator Tubes?

Thermal Efficiency

• Single-chamber design enhances convective heat transfer. CFD simulations guide profile design to reduce boundary layer formation.
• Wall thickness tolerance: ±0.05mm – uniform thickness prevents localized hot spots.
• Alloys: AA3003, AA3102, AA6063 with thermal conductivity of 200–220 W/m·K.

Durability

• Corrosion resistance: 500+ hours salt spray per ASTM B117.
• Burst pressure: ≥20 MPa (2900 psi).
• Thermal cycling: 10,000 cycles from -40°C to +150°C – no deformation or joint failure.
• Leakage rate: ≤0.5 g/year per tube (helium mass spectrometry).

Manufacturing Control

• In-house processes: extrusion, sawing, punching, drawing, annealing, packaging.
• 100% leak-tested under pressurized air before packaging.
• Grain structure: ASTM grain size 7–9 via controlled atmosphere annealing.

Custom Engineering

• Custom cross-sections: D-shaped, oval, rectangular, asymmetrical.
• Length range: 200 mm to 6000 mm.
• End options: chamfered, flared, or punched.
• Prototype dies: 15–20 working days.

Applications

Automotive

• Engine radiators – high flow, low resistance.
• Charge air coolers – handles air up to 200°C.
• Transmission and oil coolers – D-shaped profiles maximize surface area.

HVAC and Stationary Cooling

• Commercial air conditioning – improves EER by up to 8%.
• Power station cooling – enhanced corrosion resistance for seawater or demineralized water.

Building Systems

• Hollow glass aluminum spacers for door and window systems.

Field reference: Our tubes are used in bus cooling systems for a Chinese commercial EV manufacturer (NDA-protected), with 12% higher heat rejection vs. previous-generation designs over 18 months of fleet operation.

Single Chamber vs. Multi-Port Tubes

Choose single-chamber when your priority is serviceability, debris tolerance, and low maintenance costs.

Quality Certifications

Sinupower has passed the following system certifications:

• IATF 16949:2016 – Automotive quality management.
• ISO 9001:2015 – Quality management.
• ISO 14001:2015 – Environmental management.
• ISO 45001:2018 – Occupational health and safety.

Since 2019, Sinupower has been awarded:

• 2 invention patents
• 15 design patents
• 16 utility model patents

Independent lab testing (SGS and BV-certified facilities) confirms mechanical properties, corrosion resistance, dimensional accuracy, and leak tightness.

Supply Chain and Partnerships

Sinupower maintains long-term partnerships with:

• Sanhua – HVAC&R components
• Danfoss – Cooling and heating solutions
• Pankl – Drivetrain and thermal systems

Current sales distribution:

• Jiangsu, Zhejiang, Shanghai, Anhui: 87.76%
• Southern China: 8.44%
• Northern China: 3.80%

Annual capacity: 5,000+ tons of extruded aluminum tubes.
Standard lead time: 20–25 working days (≤10,000 pcs).
Packaging: Anti-rust interleaving, plastic end caps, wooden crates, or steel-framed containers.
Shipping: FOB Shanghai or Ningbo; EXW available.

Customization Process

1. Step 1: Submit 2D/3D drawings, samples, or performance targets.
2. Step 2: Engineering review with DFM suggestions.
3. Step 3: Die manufacturing via CNC-EDM – 15–20 days.
4. Step 4: Prototype sampling (up to 50 pcs free) – die costs only.
5. Step 5: Mass production with PPAP Level 3 available.
6. Step 6: Delivery with inspection reports and material certificates.

Quality Assurance – How We Ensure Reliability

Raw Material

• Billets from ISO 14001-certified smelters.
• Each batch tested for chemical composition, grain size, and hydrogen content.

In-Process Controls

• Extrusion: real-time monitoring of temperature, speed, pressure.
• Drawing: multi-pass with intermediate annealing.
• Annealing: ±5°C uniformity via 9-point thermocouple surveys.

Final Inspection

• Dimensional: 100% measured for OD, ID, wall thickness.
• Leak: air-under-water for 100%; helium for critical orders.
• Mechanical: tensile, yield, elongation from each heat-treatment batch.
• Surface: 10× magnification – defects >0.1mm rejected.

Sustainability

• Energy: Regenerative burner technology – 18% less gas consumption.
• Recycling: 98% material utilization – all scrap returned to certified recyclers.
• Water: Closed-loop rinsing – 40% less water usage, zero heavy metal discharge.
• Compliance: RoHS and REACH compliant.

FAQ

Q: What is the main advantage of a single-chamber tube? 

A: Lower pressure drop, better debris tolerance, and simpler brazing – ideal for radiators and oil coolers.

Q: Can you produce non-round profiles? 

A: Yes. D-shaped, oval, rectangular, and custom profiles available. Prototype dies in 15–20 days.

Q: What is the lead time for bulk orders? 

A: 20–25 working days for standard sizes. Expedited available for urgent projects.

Q: Do you provide material certificates? 

A: Yes. MTC per EN 10204 3.1, plus dimensional and leakage inspection reports.

Q: What alloys for high-corrosion environments? 

A: AA3003 with zinc-flake coating or AA6063 with anodized finish. Consult us for your coolant chemistry.

Q: Can you produce tubes longer than 6000 mm? 

A: Standard max is 6000 mm. Consult engineering for longer requirements.