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| Brand Name: | Yuhong |
| Model Number: | ASME SA179 FINNED TUBES |
| MOQ: | Depend the size of finned tubes, 50-100PC |
| Price: | Negotiable |
| Payment Terms: | TT, LC |
| Supply Ability: | 1000 tons/month |
ASME SA179 Carbon Steel Low Finned Tubes For Condensers Equipos
Low finned tubes are specifically engineered to enhance the condensation process on the shell side of a heat exchanger. In condensers, vapor (often steam or a refrigerant) flows over the exterior of the cold tubes, condenses into liquid, and releases latent heat, which is transferred through the tube wall to the cooling medium (usually water) flowing inside the tube.The fins dramatically increase the external surface area of the tube, which significantly improves the heat transfer efficiency of the condensation process.
Air-Cooled Condensers (Fin-Fan Condensers): Look like large radiators. Vapor flows through finned tubes, and large fans force air over them. Dominant where water is scarce (e.g., many power plants, gas processing facilities, rooftop HVAC units).
Shell and Tube in Water-Cooled Condensers.: The most common industrial type. Vapor condenses on the outside (shell side) of a tube bundle, while cooling water flows inside the tubes (as described with SA179 finned tubes). Used in power plants, refineries, and large HVAC systems.
Detailes of ASME SA179 Base Tubes
ASTM A179/ASME S179 This specification covers minimum-wall-thickness, seamless cold-drawn low-carbon steel tubes for tubular heat exchangers, condensers, and similar heat transfer apparatus.
Chemical Composition (%)
| Grade | C | Mn | P | S |
| SA179 | 0.06-0.18 | 0.27-0.63 | 0.035 | 0.035 |
Mechanical Properties
| Grade | Tensile Strength,min | Yield Strength (0.2%Offset,min) | Elongation min. | Hardness, max |
| SA179 | 47ksi (325 MPa) | 26ksi (180 MPa) | 35% | Rockwell 72 HRB |
SA179 low-finned tubes serve as a cost-effective performance upgrade for large-scale condensation applications where the shell-side operating environment is non-corrosive and mild. They are most commonly deployed in power plant steam condensers and large HVAC/R chiller condensers, where they yield substantial reductions in both capital expenditure and physical footprint. However, their reliable and efficient operation depends entirely on two critical factors: a corrosion-free shell-side process fluid, and strict, proper control of the tube-side cooling water’s chemical composition. For services involving corrosive media or high-fouling conditions, the use of alternative tube materials or conventional bare-tube configurations is required to ensure system integrity and performance.
Application ( Not limited to the following )
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Power Generation Employed in boilers and condensers to improve heat recovery and overall efficiency. |
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HVAC Systems Utilized in heating, ventilation, and air conditioning systems to improve energy efficiency,etc. |
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Heat exchangers, boilers, furnaces and refineries Widely used in various types of heat exchangers, including air-cooled and water-cooled systems. |
Specifications For Various Types Of Finned Tubes
Our finned tubes include the following types:
| Type | Description | Base tube | Fin specification (mm) | ||
| O.D. (mm) | Fin pitch | Fin height | Fin thick | ||
| Embedded | G-type fin tube | 16-63 | 2.1-5 | <17 | ~0.4 |
| Extruded | Single metal / Combined metal | 8-51 | 1.6-10 | <17 | 0.2-0.4 |
| Low fin tube / T-type fin tube | 10-38 | 0.6-2 | <1.6 | ~0.3 | |
| Bamboo tube / corrugated tube | 16-51 | 8-30 | <2.5 | ~0.3 | |
| Wound | L / KL / LL type fin tube | 16-63 | 2.1-5 | <17 | ~0.4 |
| String | String fin tube | 25-38 | 2.1-3.5 | <20 | 0.2-0.5 |
| U-type | U-type fin tube | 16-38 | / | / | / |
| Welding | HF-welding fin tube | 16-219 | 3-25 | 5-30 | 0.8-3 |
| H/HH type fin tube | 25-63 | 8-30 | <200 | 1.5-3.5 | |
| Serrated spiral fin tube | 25-219 | 2-7 | <38.1 | 0.9-2.0 | |
| Studed fin tube | 25-219 | 8-30 | 5-35 | φ5-20 | |
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