ASTM A179 G-Type Embedded Finned Tubes With AL Fins For Air Cooler Heat Exchangers
ASTM A179 G-Type Embedded Finned Tubes With AL Fins For Air Cooler Heat Exchangers
Product Specifications:
- Base Tube: ASTM A179 Seamless Cold-Drawn Steel
- Fin Material: Aluminum (1100/1060 grade)
- Fin Height: 12.7-25.4mm (0.5"-1.0")
- Fin Thickness: 0.4-1.2mm
- Fin Density: 118-433 FPM (Fins Per Meter)
- Surface Treatment: Plain/Galvanized/Paint Coating
Chemical Composition of Base Tube (ASTM A179):
| Element | C | Mn | P | S |
| % Max | 0.25 | 0.84 | 0.035 | 0.035 |
Mechanical Properties:
| Property | Value |
| Tensile Strength | ≥345 MPa |
| Yield Strength | ≥180 MPa |
| Elongation | ≥30% |
| Hardness | ≤137 HB |
Aluminum Fin Properties:
| Parameter | Value |
| Fin Height | 8-16mm |
| Fin Thickness | 0.4-0.8mm |
| Fin Density | 7-14 FPI |
| Thermal Conductivity | ≥200 W/m·K |
Manufacturing Process:
Our G-type finned tubes are produced using advanced high-frequency welding technology, ensuring superior mechanical bonding between fins and base tubes.
The production process includes:
- Base tube preparation and cleaning
- High-frequency fin welding
- Quality inspection
- Surface treatment
- Final testing
Key Applications:
- Air-cooled heat exchangers
- Industrial cooling systems
- Power plant condensers
- Chemical process equipment
- HVAC systems
- Oil & gas heat exchangers
Product Advantages:
- Enhanced heat transfer efficiency (up to 15-20 times vs. bare tubes)
- Excellent mechanical bonding strength
- Superior corrosion resistance
- Extended service life
- Cost-effective heat exchange solution
- Customizable specifications
Quality Assurance:
All products undergo rigorous testing and inspection, including:
- Hydrostatic pressure test
- Fin attachment testing
- Dimensional inspection
- NDT testing
- Surface quality inspection
As a leading manufacturer of finned tubes with 20 years of export experience to 80+ countries, Yuhong Holding Group Co., Ltd. proudly presents our premium G-Type embedded finned tubes, specifically engineered for industrial heat exchange applications.
With our state-of-the-art production facility spanning 20,000 square meters, 55 production lines, and over 110 skilled employees, Yuhong Holding Group ensures consistent quality and timely delivery. Contact us today for your industrial heat exchange requirements.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.