Gold Member Since 2016
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Nanjing Metalli Industrial Co., Ltd.

Radiator Fin, Aluminum Fin, Aluminium Fin manufacturer / supplier in China, offering Radiator Fin, High Precision CNC Machining Industrial Component Electromagnet Shell, Auto Part Wheel Gear Shield and so on.

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Radiator Fin

FOB Price: US $6.2 / Kg
Min. Order: 500 Kg
Min. Order FOB Price
500 Kg US $6.2/ Kg
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Production Capacity: 50 Tons Per Month
Transport Package: Best Suitable Packing Way
Payment Terms: L/C, T/T, D/P, Money Gram, Western Union

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Basic Info
  • Model NO.: af1010
  • Structure Material: Metal Material
  • Type: Aluminum Heat Exchange
  • Style: Plate
  • Mixing Heat Exchanger Type: Na
  • Heat Transfer Surface: Plate Heat Exchanger
  • Length: up to 1200 mm or Custom
  • Wall Thickness: 0.12,0.15,0.2,etc.
  • Material Temper: H14,H18,O,H24,etc.
  • Fin Form: Plain,Serrated,Louvered,Perforated,Wavy
  • Packing Way: Plywood Case
  • Principle: Mixing Heat Exchanger
  • Core: Aluminum Heat Exchanger
  • Application: Heater, Cooler, Vaporizer, Condenser
  • Ceramic Heating Equipment Type: Na
  • Recuperative Heat Exchanger Type: Na
  • Material: Aluminum,Aluminum Alloy
  • Width: up to 600 mm or Custom
  • Fpi: 4,5,6,...15,etc.
  • Fin Type: Plate Fin
  • Surface Finish: Original or Custom
  • Origin: Jiangsu, China
Product Description
1. Aluminum alloy number 
No.Aluminum Alloy NumberTemper
1.1Typical AA3003, cladding materials AA4343/3003/4343,4045/300/4045,4004/3003/4004,4104/3003/4104,4343/3003/7072,etc.H14/H18/O/H24,etc.
2. Product size and tolerance
No.SpecificationSizeTolerance
2.1Length (mm)500,600,1200,3000 or longer±2
2.2Width (mm)45,63,94,113,140 or custom±0.1
2.3Height (mm)3,4.7,9.5 or custom±0.03
2.4Wall Thickness (mm)0.1,0.15,0.2,0.5,0.6,0.8 or custom±0.01
2.5FPI (fin quantity per inch)4,5,6,7,8,9,10,12,15,etc.±1
3. Chemical composition for some typical alloys 
No.AA numberChemical Composition (%)
SiFeCuMnMgZnTiZrBiOthersAl
EachTotal
3.130030.60.70.05-0.21-1.50.050.1


0.050.15RE
3.230050.60.70.31.0-1.50.2-0.60.25
Cr 0.1
0.050.15RE
3.340459.0-11.00.80.30.050.050.1


0.050.15RE
3.4404711.0-13.00.80.30.150.050.2


0.050.15RE
3.541049.0-10.50.80.250.11.0-2.00.2

0.05-0.20.050.15RE
3.643436.8-8.20.80.250.10.050.2


0.050.15RE
3.760600.3-0.60.1-0.30.10.10.35-0.60.150.1Cr 0.05
0.050.15RE
3.860610.4-0.80.70.15-0.40.150.8-1.20.250.15Cr 0.04-0.35
0.050.5RE
3.960630.2-0.60.350.10.10.45-0.90.10.1Cr 0.1
0.050.15RE
4. Mechanical properties for some typical alloys 
No.Alloy numberThick.
(mm)
TemperYield Strength
Rp0.2(Mpa).
Min
Tensile Strength
Rm (Mpa)
Elongation
(%)
A50,Min
Typical usage
4.130030.08-0.15O3595-1358Fins
4.230030.16-0.35O3595-13510Fins
4.330030.15-0.3H1290120-1750.5Fins
4.430030.06-0.08H14125145-1850.5Fins
4.530030.081-0.3H14125145-2000.5Fins
4.630030.06-0.16H16160165-2050.5Fins
4.730030.2-0.3H24125145-2056Fins
4.83003-10.35-3.0O3595-13520Plate
4.93003-10.40-3.0H14125145-1853Plate
4.103003-11.0-3.0H24125145-18510Plate
4.1130030.25-0.35H24130155-2056Fins for air cooler
4.1230030.1-0.2H14125145-1851Fins
4.1330030.1-0.3O3595-13510Fins
4.1430030.3-0.8H14125145-1852Plate
4.1530030.8-2.5H14125145-1854Plate
4.1630030.5-1.6O35145-18520Plate
4.173003-10.3-1.8O3595-13520Band
4.183003-10.5-4.0O3595-13525Plate
4.193005 Mod0.25-0.6H24150185-2358Long life tube
4.2043430.07-3.0O3595-1508Sheet for brazing
4.2143430.07-3.0H14120140-2000.5Sheet for brazing
4.2240450.07-3.0O3595-1508Sheet for brazing
4.2340450.07-3.0H14120140-2000.5Sheet for brazing
4.2441040.07-3.0O3595-1508Sheet for brazing
4.2541040.07-3.0H14120140-2000.5Sheet for brazing
4.2640470.07-3.0O3595-1508Sheet for brazing
4.2740470.07-3.0H14120140-2000.5Sheet for brazing
4.2830050.8-4.5O4080-12020Vacuum plate
4.2930050.6-4.5H22110145-19515Vacuum plate
4.2060600.8-4.5O≤85≤15020Vacuum plate
4.2160630.8-4.5O≤85≤15020Vacuum plate
5. Surface finish and other properties 
No.ItemDescription
5.1Surface finisha. The material shall bright finish; b. The material shall be from pinholes and tearing
5.2Fin typePlain type,Louvered type,perforated type,serrated type and wavy type,etc.
6. Packing,Shipping and others 
No.ItemDescription
6.1PackingTo be packed in wooden crate with polythene cover for water protection
6.2MarkingEach box to be legibly marked with the name of the manufacturer or supplier, the alloy designation of material,condition,dimensions and weight
6.3Shipping toolsShip goods by van to departune port then by sea to desitination port
6.4Quantity variation±10% variation with order quantity shall be acceptable
7.Quality management and spot management 
No.ItemDescription
7.1Quality control1. Quality assurance
a. Incoming material quality assurance; b. Process quality assurance; c. First sample quality assurance; d. Final quality assurance.
2. Process management-The right results are from the right process
a. Production process card control; b. Standard operational procedure;c.Job certification;d. Quality chart monitor.
3. Equipment and facility management
a. Periodic maintenance; b.Preventative maintenance.
4. Mold management
a. Mold life management; b.Periodic and preventative maintenance; c. Periodic inspection.
7.2Inspection ToolsAltimeter,Vernier caliper,Micrometer,3D coordinate measuring instrument
7.3Spot management"5S" management (sort,set in order,shine,standard,sustainable).

Radiator Fin
Radiator Fin
8. Introduction to fins

In the study of heat transfer, fins are surfaces that extend from an object to increase the rate of heat transfer to or from the environment by increasing convection. The amount of conduction, convection, or radiation of an object determines the amount of heat it transfers. Increasing the temperature gradient between the object and the environment, increasing the convection heat transfer coefficient, or increasing the surface area of the object increases the heat transfer. Sometimes it is not feasible or economical to change the first two options. Thus, adding a fin to an object, increases the surface area and can sometimes be an economical solution to heat transfer problems.
Because fins are used to improve heat transfer, it is important to allow open spaces toward optimization. In other words, the shape of fins must be optimized such that the heat transfer density is maximized when the space and the materials used for the finned surfaces are constraints
Fins are most commonly used in heat exchanging devices such as radiators in cars, computer CPU heatsinks, and heat exchangers in power plants. They are also used in newer technology such as hydrogen fuel cells. Nature has also taken advantage of the phenomena of fins. The ears of jackrabbits and fennec foxes act as fins to release heat from the blood that flows through them.
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