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ASTM B111 C70600 Copper Alloy 90% Cu10% Ni Extruded Fin Tubes For Air Coolers

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ASTM B111 C70600 Copper Alloy 90% Cu10% Ni Extruded Fin Tubes For Air Coolers

Brand Name : Yuhong

Model Number : Extruded Fin Tubes

Certification : ABS, BV, DNV, CCS, LR

Place of Origin : China

MOQ : Depend the size of finned tubes

Price : Negotiable

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

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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.

ASTM B111 C70600 Copper Alloy 90% Cu10% Ni Extruded Fin Tubes For 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.

ASTM B111 C70600 Copper Alloy 90% Cu10% Ni Extruded Fin Tubes For Air Coolers


Product Tags:

Air Coolers Extruded Fin Tubes

      

C70600 Extruded Fin Tubes

      

ASTM B111 Extruded Fin Tubes

      
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