YUHONG HOLDING GROUP CO., LTD
| Payment Terms | TT, LC |
| Supply Ability | 1000 tons/month |
| Delivery Time | 30-45 days |
| Packaging Details | Ply-wooden Case With Iron Frame |
| Product | Fin Tubes or Finned Tube |
| Finned Tube Type | Extruded Finned Tubes |
| Extruded Finned Tubes Material | Base Tubes ASTM B111 C70600 90%Cu10%Ni and B209 AL1060 Fins |
| Extruded Finned Tubes Length | Required By Clients |
| ASTM B111 C70600 Tube Details | AVG. Wall Thickness |
| AL1060 Fins Details | 0.2-0.4 Wall Thickness |
| Copper Alloy Finned Tubes Use | Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators / Air cooler, etc |
| Copper Alloy Finned Tubes Packing | Ply-wooden Case With Iron Frame |
| Brand Name | Yuhong |
| Model Number | Extruded Fin Tubes |
| Certification | ABS, BV, DNV, CCS, LR |
| Place of Origin | China |
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Product Specification
| Payment Terms | TT, LC | Supply Ability | 1000 tons/month |
| Delivery Time | 30-45 days | Packaging Details | Ply-wooden Case With Iron Frame |
| Product | Fin Tubes or Finned Tube | Finned Tube Type | Extruded Finned Tubes |
| Extruded Finned Tubes Material | Base Tubes ASTM B111 C70600 90%Cu10%Ni and B209 AL1060 Fins | Extruded Finned Tubes Length | Required By Clients |
| ASTM B111 C70600 Tube Details | AVG. Wall Thickness | AL1060 Fins Details | 0.2-0.4 Wall Thickness |
| Copper Alloy Finned Tubes Use | Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators / Air cooler, etc | Copper Alloy Finned Tubes Packing | Ply-wooden Case With Iron Frame |
| Brand Name | Yuhong | Model Number | Extruded Fin Tubes |
| Certification | ABS, BV, DNV, CCS, LR | Place of Origin | China |
| High Light | Air Coolers Extruded Fin Tubes ，C70600 Extruded Fin Tubes ，ASTM B111 Extruded Fin Tubes | ||
ASTM B111 C70600 Copper Alloy 90%Cu10%Ni Extruded Fin Tubes For Air Coolers
Chemical Composition (%)
90-10 Copper Nickel
| Material | Copper | Nickel, incl Cobalt | Lead, max | Iron | Zinc | Manganese |
| C70600 | remainder | 9.0-11.0 | 0.05 | 1.0-1.8 | 1.0 max | 1.0 max |
Mechanical Properties
C70600, C70620
| Standard | Tensile Strength min | Yield Strength min | Elongation in 2" or 50mm min |
| O61 | 40ksi / 275 MPa | 15ksi / 105 MPa | 30% |
| H55 | 45ksi / 310 MPa | 35ksi / 240 MPa | 20% |
ASTM B111 is a for copper and cooper alloy seamless condenser tubes and ferrule stock, generally for use in surface condensers, evaporators, and heat exchangers, air coolers.
Extruded Fin Tube
Extruded Finned Tubes Base Tube Materials: Carbon steel, stainless steel, copper, titanium, and alloys.
Extruded Finned tubes Fin Materials: Aluminum or the same material as the base tube.
The role of ASTM B111 C70600 copper-nickel (90/10) extruded fin tubes in air coolers is crucial for efficient heat transfer, corrosion resistance, and long-term durability, especially in demanding environments.
Primary Role: Enhanced Heat Transfer
The extruded fins increase the surface area, improving heat exchange between the process fluid (inside the tube) and the cooling air (outside).The fin design (height, density, and shape) maximizes turbulent airflow, boosting convective heat transfer.
Having a stable performance, base tubes C70600 maintains consistent thermal conductivity (~50 W/m·K) even under thermal cycling.
Corrosion & Erosion Resistance
C70600 cooper alloy tubes with seawater & moisture resistance: Ideal for coastal or marine air coolers where salt spray and humidity are concerns.
C70600 tubes performs well in refinery and petrochemical applications where corrosive gases are present, because their resistance to Sulfides & Ammonia.
Copper-nickel’s natural resistance to microbial growth reduces fouling in humid/water-spray air coolers.
Mechanical Durability
Can withstands vibration, wind loads, and thermal expansion stresses in air-cooled heat exchangers (ACHEs). And the iron content (1.0–1.8%) protects against sand and particulate erosion in desert or high-wind installations.With a long service life, outperforms carbon steel and aluminum in harsh environments, reducing maintenance costs.
Material Compatibility
Cooper alloy extruded finned tubes are compatible with cooling fluids,suitable for water, glycol, hydrocarbons, and mild chemical coolants.What's more, when paired correctly with aluminum fins/casing, C70600 minimizes galvanic issues due to its intermediate nobility.
Applications in Air Coolers
Condensers and turbine lube oil coolers in Power Plants.
Gas compressor aftercoolers, process fluid coolers in Oil & Gas industries.
Deck-mounted air coolers exposed to saltwater atmospheres.
Large-scale chillers and refrigeration systems in HVAC & Industrial.
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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