YUHONG HOLDING GROUP CO., LTD
| Payment Terms | TT, LC |
| Supply Ability | 1000 tons/month |
| Delivery Time | 30-60 days |
| Packaging Details | Ply-wooden Case With Iron Frame |
| Product | Fin Tubes or Finned Tube |
| Fin Tubes Type | Spiral Wound L Fin Tubes |
| Spiral Wound L Fin Tubes Standard | ASTM A179 |
| Spiral Wound L Fin Tubes Material | Base Tubes SA179 and AL1100 Fins |
| Spiral Wound L Fin Tubes Length | According to clients' need |
| Spiral Wound L Fin Tubes Size and details | According to clients' need |
| Spiral Wound L Fin Tubes Use | Air‑cooled condensers (ACC),HRSG economizers & waste heat recovery,Steam condensers,etc. |
| Spiral Wound L Fin Tubes Packing | Ply-wooden Case With Iron Frame |
| Brand Name | Yuhong |
| Model Number | ASTM A179 Wound L Fin Tubes |
| Certification | ABS, BV, DNV, CCS, LR,etc. |
| Place of Origin | China |
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Product Specification
| Payment Terms | TT, LC | Supply Ability | 1000 tons/month |
| Delivery Time | 30-60 days | Packaging Details | Ply-wooden Case With Iron Frame |
| Product | Fin Tubes or Finned Tube | Fin Tubes Type | Spiral Wound L Fin Tubes |
| Spiral Wound L Fin Tubes Standard | ASTM A179 | Spiral Wound L Fin Tubes Material | Base Tubes SA179 and AL1100 Fins |
| Spiral Wound L Fin Tubes Length | According to clients' need | Spiral Wound L Fin Tubes Size and details | According to clients' need |
| Spiral Wound L Fin Tubes Use | Air‑cooled condensers (ACC),HRSG economizers & waste heat recovery,Steam condensers,etc. | Spiral Wound L Fin Tubes Packing | Ply-wooden Case With Iron Frame |
| Brand Name | Yuhong | Model Number | ASTM A179 Wound L Fin Tubes |
| Certification | ABS, BV, DNV, CCS, LR,etc. | Place of Origin | China |
| High Light | ASTM A179 wound fin tubes ，AL1100 fin tubes for ACC ，air cooled condenser fin tubes | ||
ASTM A179 Wound L Fin Tubes With AL1100 Fins For ACC Air Cooled Condensers
Chemical Composition (%) max
| Grade | C | Mn | P | S |
| A179 | 0.06-0.18 | 0.27-0.63 | 0.035 | 0.035 |
Mechanical Properties
| Grade | Tensile Strength min | Yield Strength min | Elongation in 2" or 50mm min |
| A179 | 47ksi (325 MPa) | 26ksi (180 MPa) | 35% |
Base tube: Specification ASTM A179 covers minimum-wall-thickness, seamless cold-drawn low-carbon steel tubes for tubular heat exchangers, condensers, and similar heat transfer apparatus. ASTM A179 seamless cold-drawn low-carbon steel tube, high pressure resistance, good thermal conductivity, stable mechanical properties, compatible with ACC steam condensation conditions.
Fin material: AL1100 pure aluminum fins. High heat dissipation efficiency, good formability, resistant to atmospheric corrosion, and low wind-side flow resistance.
Fin structure: Winded L-shaped fins are tightly mechanically bonded to the tube wall, resulting in low thermal contact resistance and strong resistance to loosening under long-term wind vibration and temperature cycling.
The air-cooled condenser AAC uses forced air convection to condense the exhaust steam from the turbine. The ASTM A179 bare tubes handle the condensation and heat exchange of the steam inside the tubes, and the L-shaped fins made of AL1100 material exponentially increase the external heat exchange area, which can quickly transfer the heat from the tube wall to the ambient air, achieving efficient liquefaction and circulating cooling of the power plant steam.
ASTM A179 wound L fin tubes are a key heat transfer component of the air-cooled condenser in thermal/gas-fired power plants, undertaking the core tasks of waste heat dissipation and steam condensation, and determining the thermal efficiency and stable operation of the entire ACC system.
Some Key Applications of Carbon Steel Wound L Fin Tubes
*Power Generation:
Air‑cooled condensers (ACC)
HRSG economizers & waste heat recovery
Steam condensers
*Petrochemical & Refining
Process air coolers
Furnace convection sections and waste heat recovery units
Oil coolers
*HVAC & Refrigeration
Chiller condensers and dry cooling towers
Commercial/industrial air handlers (heating/cooling coils)
Refrigeration evaporators/condensers
Specifications For Various Types Of Finned Tubes We Can Do
| 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 | 8.0~30 | <2.5 | ~0.3 | |
| Wound | L / KL / LL fin type | 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 | |
| Studed fin tube | 25-219 | 8~30 | 5~35 | φ5-20 | |
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
50M-70M
Employee Number:
50~800
Ecer Certification：
Verified Supplier
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...
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