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Pre-coated Aluminum Fin Stock for Heat Exchangers
With good thermal conductivity, Aluminum fin stock is used in heat exchangers of room/ package air conditioners and large refrigerators.
Kobe Steel satisfies customers' demands for multifunctional fin stock by our excellent coating technologies.
1．Characteristics
Here is a line–up for some characteristics required by heat exchangers.
(1) Hydrophilicity
Hydrophilicity stands for the expanse of water on the surface of the fin stock. By imparting hydrophilicity to the fin stock, spraying of water from heat exchangers is prevented.
Pre-coated
(No treatment)
(2) Corrosion Resistance
Aluminum sheet is protected from corrosion by corrosion-resistant coating.
We have a special coating that can be used in salt damaged places.
The result of the pre-coated aluminum fin corrosion test
(3) Press Formability
Press formability is raised with a lubricant layer in the coating.
(4) R&D: System of Development
Product technique, Manufacturing technique and Element technique are developed under the following system.
(5) Evaluating / Analyzing Equipment
We have equipment for evaluating and analyzing fin stock (e.g. fin press, the apparatuses for modeling tests and GCMS), so that we can simulate the manufacturing process and usage environment of the products of our customers to help develop new products.
2．Line-up
We have various pre-coated aluminum fin stock with good hydrophilicity, corrosion resistance and press formability to meet the demands for heat Exchangers.
| Use/Name | Indoor KS176 |
Outdoor KS655 |
Outdoor (Corrosion resistant) KS101, KS128 |
|---|---|---|---|
| Coating Composition |  |
 |
 |
| Feature | Anti-odor Easy to press with small amount of oil |
Good hydrophilicity | Excellent corrosion resistance Used in seashore area |
| Hydrophilicity | Excellent For indoor environment |
Excellent For outdoor environment |
Good |
| Odor Inhibition | Excellent Inhibit indoor odor |
- | - |
| Formability | Excellent Minimal die abrasion |
Good | Excellent Minimal die abrasion |
| Corrosion Resistance | Good | Good | Excellent For seashore area |
Manufacture range (mm)
Thickness：0.08-0.2
Width：-1600
*If you need a larger or a smaller size product mentioned above, please contact us.
3．Pre-coating Technology
We have the technology of 4th layer coating (chemical conversion coating + 3 coating), with which we can meet the demands for multifunctional fin stock of our customers.
The Schema of 4th Layer Coating
Layer composition
Antibacterial/Mold proofing, Stain Proofing Fin Stock (the 4th layer coated fin)
4．Aluminum Alloy
We have several kind of aluminum alloys for fin stock including in-house developed alloy "1J70". We can recommend the best one according to your forming type.
In-house Developed Alloy
1J70
It is easy to handle, and has good formability, thermal conductivity and suitable for down sheet metal gauging.
Ordinary Alloy
1200
It is an ordinary aluminum with a purity of over 99.0%.
5. Contact Us
Pre-coated aluminum fin stock is sold through some certain trading companies. Our fin stock is not only used in Japan but also in China, South-East Asia, Europe, etc.
Please contact us about our products and trading companies dealing in our fin stock.
Aluminum Flat Rolled Products Sales Dept.
Steel & Aluminum Business
Kobe Steel, Ltd.
Tokyo
TEL: +81-3-5739-6443
Osaka
TEL: +81-6-6206-6682
