YUHONG HOLDING GROUP CO., LTD
| Supply Ability | 300000meters/month |
| Fin Tubes Type | G Type Embedded Finned Tubes |
| Delivery Time | 35-45 days |
| Embedded G Fin Tubes Packing | Ply-wooden Case With Iron Frame |
| Payment Terms | T/T,L/C |
| Embedded G Fin Tubes Material | ASTM A179 Carbon Steel Base Tubes, Al1100/1060 Fins |
| Embedded G Fin Tubes Application | Boiler economizers,Air-cooled heat exchangers & air coolers,Air cooled condensers (ACC),Oil coolers & hydraulic system coolers,Furnace waste heat recovery equipment,etc. |
| Embedded G Fin Tubes Size | By Costomers' Requirements |
| Embedded G Fin Tubes Forming | Mechanical cold‑forming process,Feature: G‑shape groove |
| Packaging Details | Ply-wooden Case With Iron Frame |
| Model Number | Embedded G Fin Tubes |
| Brand Name | YUHONG |
| Certification | ISO 9001-2015,ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS |
| Place of Origin | China |
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Product Specification
| Supply Ability | 300000meters/month | Fin Tubes Type | G Type Embedded Finned Tubes |
| Delivery Time | 35-45 days | Embedded G Fin Tubes Packing | Ply-wooden Case With Iron Frame |
| Payment Terms | T/T,L/C | Embedded G Fin Tubes Material | ASTM A179 Carbon Steel Base Tubes, Al1100/1060 Fins |
| Embedded G Fin Tubes Application | Boiler economizers,Air-cooled heat exchangers & air coolers,Air cooled condensers (ACC),Oil coolers & hydraulic system coolers,Furnace waste heat recovery equipment,etc. | Embedded G Fin Tubes Size | By Costomers' Requirements |
| Embedded G Fin Tubes Forming | Mechanical cold‑forming process,Feature: G‑shape groove | Packaging Details | Ply-wooden Case With Iron Frame |
| Model Number | Embedded G Fin Tubes | Brand Name | YUHONG |
| Certification | ISO 9001-2015,ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS | Place of Origin | China |
| High Light | G type embedded finned tubes ，carbon steel boiler economizer tubes ，ASTM A179 finned tubes | ||
G Type Embedded Finned Tubes ASTM A179 Carbon Steel For Boiler Economizers
ASTM A179 specifies the requirements for seamless cold drawn, low carbon steel tube intended for high-temperature service, like heat exchangers, condensers and heat transfer equipment.
A179 exhibits good weldability, ductility, and resistance to steam and corrosion.
Outer diameter range: Ideal for air coolers and shell-and-tube heat exchangers ≤76.2 mm / 3".
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% |
The Al1060/1100 fins are mechanically interlocked and fixed within pre-machined spiral grooves on the outer wall of the A179 tube.
The thermal resistance between the fins and the base tube is extremely low. The maximum operating temperature can reach 350℃ (significantly higher than L/KL wound finned tubes). The fin structure is stable, exhibiting excellent resistance to vibration, thermal cycling, and thermal expansion. The fin surface is smooth, making it easy to clean and remove accumulated dust. It offers a large heat exchange area while maintaining a small footprint.
Low-carbon steel base tubes with aluminum fins are used for gas-side heat exchange; perfectly matched for flue gas, hot air, and steam cooling/heating, offering high cost-effectiveness.
Key Application
1.Power Generation Industry (Largest Application Scenario)
Air-Cooled Condenser (ACC)
Boiler Economizers & HRSG (Heat Recovery Steam Generator)
2.Petrochemical & Refinery Industry (API 661 Standard Air Coolers)
Crude oil refining: process air coolers, reactor feed coolers, distillation column condensers
Natural gas dehydration, amine desulfurization & acid gas treatment units
3.Metallurgy & Heavy Industry
Air Cooled Heat Exchangers (ACHE / ACC)
Shell & tube waste heat recovery exchangers
Waste heat boiler evaporation & cooling sections
Industrial drying radiators
Compressor cooling units
ASTM A179 low-carbon steel base tubes are not suitable for strong acids, strong chloride brine, or highly corrosive media. For severely corrosive conditions, the base tube should be replaced with stainless steel (TP304/316L) or alloy steel (A213 T11/T22) G-type finned tubes.We also can offer finned tubes of these materiales.
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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