ASTM A179 G Type Embedded Fin Tube for Heat Exchangers
| Fin Type | G type Embedded Fin Tube |
| Bare Tube Specification & Material | ASTM A179 |
| Bare Tube Diameter | 16-63MM |
| Fin Thickness | ~0.4MM |
| Application | Process Heat Exchangers, Refrigeration Systems and Air Conditioning |
ASTM A179 Embedded Fin Tube is a high-efficiency heat transfer solution designed for moderate-temperature non-corrosive services. It features a seamless low-carbon steel base tube (ASTM A179) with spiral aluminum fins mechanically embedded into precision-grooved surfaces. This interlocking technology achieves 100% metallurgical contact, eliminating thermal resistance while providing 30% higher heat transfer efficiency than L-fin tubes in economizers, air preheaters, and thermal oil systems up to 260°C (500°F).
| Parameter | Value |
|---|---|
| Bare Tube Diameter | 16-63mm |
| Fin Height | <17mm |
| Fin Thickness | ~0.4mm |
| Fin Pitch | 2.1-5mm |
| Tube Ends | Plain Ends / Beveled Ends |
| No Fin Area (Both Ends) | As Customer's Request and Drawing |
| Element | C | Si | P | Mn | S |
|---|---|---|---|---|---|
| Range | ≤ 0.06 | ≥ 0.10 | ≤ 0.035 | 0.27-0.63 | ≤0.035 |
| Property | Value |
|---|---|
| Tensile Strength | ≥325 MPa |
| Yield Strength | ≥180MPa |
| Elongation | ≥35% |
| Hardness | ≤ 72HB |
| Max Service Temp. | 260°C (500°F) |
- Power Plant Economizers: Flue gas heat recovery in coal/gas boilers.
- HVAC Systems: Industrial air heating coils for commercial buildings.
- Thermal Oil Circuits: Heat exchangers in hydraulic systems.
- Biomass Boilers: Low-pressure evaporator bundles.
- Food Processing: Conveyor belt dryers (FDA-compliant surface).
Company Competitiveness: Yuhong Holding Group has more than 35 years experience for steel pipe and tube, fin tube, with main applications in Petrochemical, Oil refinery, Furnace, heating, boiler, heat exchanger, air cooler. YUHONG brand products are exported to more than 85 countries including UK, Italy, Spain, USA, Mexico, Colombia, Brazil, Saudi Arabia, Oman, Qatar, U.A.E, Korea, and have earned a strong reputation in the market.
Product Competitiveness:
- 40% Cost Saving: Most economical vs. stainless/bimetallic tubes.
- Zero Fin Loosening: Embedded design withstands 50,000+ vibration cycles (TEMA Class R).
- Low Maintenance: Smooth fins reduce fouling by 40% (ASHRAE Research).
- Rapid Delivery: 150+ standard sizes (OD 19-76mm) in stock.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.