Aluminum Heat Sink

Aluminum alloy is highly malleable, allowing for the creation of various aluminum heat sink extrusion profiles with unique designs. Aluminum serves as an excellent conductor and reflector of heat, making it invaluable for heat transfer applications and as a reflective heat shield. This material can be produced in different tempers at a relatively low cost. Through processes such as smelting, refining, and scrapping, aluminum alloy can be transformed into foil, fins, and sheets for use in aluminum heat sinks.

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Although aluminum has slightly lower thermal conductivity compared to other metals like copper, which are often used for cooling applications, aluminum is far easier to extrude and form into heat sink profiles. Customizing aluminum heat sink variations is also significantly simpler. For instance, extruded fin profiles can effortlessly be attached to a copper base, allowing for the efficient transfer of thermal energy to the lightweight and cost-effective aluminum cooling fins.

Industry Applications

Hydro Extrusion specializes in designing and manufacturing aluminum heat sinks for various industries, including telecommunications, electrical, automotive, military, medical, and electronics. With over 30 years of experience in extruding heat sinks ranging from ½" to 21" wide, Hydro Extrusion offers a comprehensive selection of heat sinks available in the market, featuring high fin densities with ratios up to 19:1 from facilities located on the East and West coasts.

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Advanced Thermal Solutions

Supported by our thermal engineering team, Hydro Extrusion provides customers with an extensive array of cost-effective thermal products. These products are designed using state-of-the-art software, testing, and prototyping capabilities. For example, we have developed an innovative liquid cooling solution that integrates aluminum extrusions with Friction Stir Welding (FSW) technology. This results in Hydro Extrusion's specialized FSW air-cooled heat sinks being more thermally efficient and of higher quality than conventional bonded or pressed fin products.

Hydro Extrusion presents a complete thermal management solution tailored to your needs. As the largest aluminum extruder in North America, we operate over 20 locations with more than 60 extrusion presses. Besides extrusion, we fabricate each product to fulfill your specific requirements. Our capabilities include casting our own material, offering at least 10 standard alloy options, and designing virtually any custom alloy to meet your unique specifications.

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