Aluminum Heat Sinks Customization Manufacturer in China
Optimize your thermal management systems with Xingyong, a leading expert in aluminum heat sinks. Our integrated extrusion factory delivers high-performance heat sink profiles built for LED lighting, inverters, CPU cooling, automotive, and industrial applications.
- ✓14 extruders producing diverse heat sink profiles — 3,000-ton monthly output
- ✓Advanced CNC and anodizing for ready-to-use custom heat sinks
- ✓ISO-certified China factory delivering durable heat sinks worldwide
What Are Aluminum Heat Sinks?
Aluminum heat sinks are metal cooling devices used to stop electronics from overheating. They work by absorbing heat from hot parts — like computer chips or LED lights — and releasing it into the air. Manufacturers choose aluminum alloy because it is lightweight, affordable, and has excellent thermal conductivity.
These parts often feature fins to increase the surface area, which helps cool things down faster. From simple extruded aluminum heat sinks to complex anodized shapes, they are essential for keeping your devices safe and efficient.
| Attribute | Detail |
|---|---|
| Product Name | Custom Extruded Aluminum Heat Sinks |
| Material / Alloy | 6000 Series: 6063, 6061, 6005, 6082 (T5 / T6) |
| Manufacturing Process | High-Precision Hot Extrusion (350 T – 2000 T Press) |
| Deep Processing | CNC Machining, Drilling, Tapping, Milling, Cutting, Punching |
| Profile Shapes | Flat, Round, Square, Comb, Pin-Fin, Needle, or Custom Design |
| Dimensions (CCD) | Max Circumscribing Circle Diameter up to 250 mm (Customizable) |
| Surface Treatment | Anodizing, Sandblasting, Polishing, Powder Coating, Electrophoresis |
| Color Options | Silver, Black Anodized, Gold, Blue, Red, or Custom Color |
| Length | Cutting to a specific length (Standard 3 m – 6 m or custom short pieces) |
| Tolerance Standard | High Precision Grade (GB 5237.1-2017, EN 12020-2, ASTM B221) |
| Thermal Conductivity | ~ 201 – 210 W/(m·K) (Typical for 6063 / 6061 alloys) |
| Applications | LED Lighting, Inverters, CPU, Automotive, Audio Amplifiers, Industrial |
Explore Our Aluminum Heat Sinks Collection
At Xingyong, we offer a comprehensive range of aluminum heat sinks categorized by structural design and specific industry applications. Whether you need standard profiles or specialized components, our factory delivers precision and scalability. Browse our classifications below to find the exact thermal solution for your project.
Aluminum Heat Sinks By Design & Structure
Aluminum Heat Sink By Application
Why Choose Xingyong Aluminum Heat Sinks
When you select Xingyong for your aluminum heat sinks, you are choosing a partner dedicated to precision and scale. Our factory transforms high-grade raw materials into superior extruded heat sink products designed for your specific electronic and industrial applications.
FAQ of Aluminum Heat Sinks
Aluminum vs. Copper Heat Sinks: Which is better?
While copper offers higher thermal conductivity, aluminum heat sinks are generally preferred for most applications because they are significantly lighter and more cost-effective. Aluminum provides an excellent balance of performance and weight, making it ideal for automotive and consumer electronics where mass is a concern. Additionally, aluminum is easier to shape into complex finned heat sink designs compared to copper.
Why are heat sinks made of aluminum?
Manufacturers choose aluminum primarily for its thermal properties and malleability. The metal effectively absorbs heat from electronic components and dissipates it into the surrounding air. Specifically, alloys like 6063 are standard because they can be easily formed into extruded heat sink profiles with thin fins, which maximizes the surface area needed for efficient passive cooling without adding excessive cost.
How are aluminum heat sinks made?
The most common manufacturing method is extrusion. In this process, a heated aluminum billet is pushed through a steel die to create specific cross-sectional shapes. This allows for the creation of continuous aluminum heat sink bar profiles that can be cut to length. After extrusion, the parts often undergo CNC machining to add mounting holes or precise features, followed by surface treatments like anodizing.
Is aluminum a good heat sink material?
Yes, aluminum is an outstanding material for thermal management. It possesses high thermal conductivity, which allows it to transfer heat away from hot spots quickly. Furthermore, an aluminum PCB heat sink is naturally resistant to corrosion, durable, and non-magnetic. Its ability to be recycled also makes it an environmentally friendly choice for sustainable manufacturing.
Can aluminum heat sinks be anodized?
Absolutely. Anodizing is a standard finish for these products. Beyond changing the color (often to black or blue), anodizing increases the surface hardness and corrosion resistance. Crucially, black anodized aluminum heat sinks often have higher thermal emissivity than bare metal, meaning they can radiate heat more effectively, further improving cooling performance in natural convection environments.
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