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Heatsink Extrusion

Heatsink Extrusion

  • Cost-Effective Mass Production: Extruded heat sinks offer low tooling costs and economical unit pricing, ideal for large-volume manufacturing.
  • Lightweight & Durable: Made from high-quality aluminum extrusions, these heat sinks combine durability with minimal weight.
  • Customizable Profile Shapes: Supports a broad range of geometries-straight-fin, slant-fin, pin-fin, cross-cut, and fully bespoke designs.
  • Excellent Thermal Conductivity: Typically manufactured from 6000-series aluminum (e.g. 6063-T5), providing efficient heat transfer.
  • Flexible Length Production: Extruded bars can be cut to any required length without additional tooling costs.
  • Easy Secondary Processing: Supports CNC machining, drilling, cutting, anodizing, plating, or other post-processing for features and finishing.
  • Available in Standard and Custom Solutions: Wide range of industry-standard profiles available, with capacity for full customization.
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Heatsink Extrusion Product

Circular Aluminum Heatsink Extrusion
Circular Aluminum Heatsink Extrusion
Cross-cut Aluminum Extrusion Profile
Cross-cut Aluminum Extrusion Profile
Slant-fin Aluminum Heat Sink
Slant-fin Aluminum Heat Sink
Straight-fin Extruded Heat Sink OEM
Straight-fin Extruded Heat Sink OEM
Star-LED Extruded Heatsink
Star-LED Extruded Heatsink
Precision Aluminum Extrusion Heat Sink
Precision Aluminum Extrusion Heat Sink
Large Wide Heatsink Profiles
Large Wide Heatsink Profiles
High Precision Cooling Heatsink
High Precision Cooling Heatsink

Customization Capabilities

We provide comprehensive customization for heat sink extrusion profiles, from die design to secondary finishing, tailored to your thermal management requirements.

  • Alloy Selection: Aluminum 6000-series such as 6063-T5 commonly used, other alloys available upon request.
  • Profile Geometry: Straight-fin, slant-fin, pin-fin, cross-cut, star-LED, or custom profiles.
  • Length Options: Cut-to-length extrusion without extra tooling cost.
  • Surface Finish: Anodizing, chromating, Alodine, plating, or custom coatings.
  • Secondary Machining: CNC machining, drilling, cutting, hole creation, custom features.
  • Attachment Options: Thermal tape, Z-clips, adhesive, mechanical fasteners.
  • Prototype & Production Scale: Supports prototyping and high-volume production with minimal NRE costs.

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Why Partner with Sinoextrud for Your Heatsink Extrusion Needs?

We are more than just an aluminum profile supplier — we’re your efficient, reliable, long-term partner.
With Us, You Get:Faster turnaround,Stable quality,Competitive pricing,End-to-end support.

Large-Scale Manufacturing:Our factory spans 1,000 mu (about 667,000 m²), with full in-house capabilities from aluminum smelting and billet casting to extrusion, surface treatment, and CNC machining.

One-Stop Solution:With 43 extrusion lines (500–5500 tons) and a dedicated mold partner, we provide fast production, custom profiles, and integrated services to simplify your supply chain.

Quality You Can Trust:Strict quality control ensures consistent dimensions, strength, and finish, reducing your risk and increasing reliability.

Fast Delivery & Cost Efficiency:Self-produced billets, in-house processing, and batch production mean faster lead times and lower overall costs.

Advanced Finishing Options:Anodizing and both vertical and horizontal powder coating lines deliver durable, high-quality surface finishes tailored to your product needs.

Factory Overview
Furnace workshop
Aluminum bar production
Mold Warehouse
500-5500 Tons Extruder
Spraying workshop
Anodizing workshop
Deep Processing Workshop
CNC Machining Workshop
Finished goods warehouse
Finished goods warehouse
Finished goods warehouse
Export warehouse
5500 Ton Extrusion Press
Aluminum extrusion press
Large Aluminum Extrusion Line
Aluminum extrusion production line
Extrusion workshop
IATF 16949 Certification
TUV
Finished goods warehouse
Export warehouse

-Standard Packing Option-

* Long bar length profiles 3.0-6.0 meters*
Protective Film
Shrink Sleeve
Brown Paper
Craft Paper
* Short bar length profiles 0.3-3.0 meters*
EPE Foam
Poly Bag
Wooden Crate
Wooden Case

-Loading & Shipment-

Pallet Loading
Bulk Loading
LCL Loading
Expedited Express

STEPS

How to work with us

Start A Project today
  • Quote & Estimation

    Begin with a thorough evaluation of the design's feasibility, followed by a prompt, detailed estimate.

  • Sample & Test

    Creating a prototype to assess dimensions and ensure the mold's precision aligns with the requirements.

  • Extrude & Finish

    Producing the aluminum profile with pinpoint accuracy to the given specifications and applying desired finishes.

  • Pack & Deliver

    Tailored packaging for the extruded profiles, ensuring safe and efficient loading for prompt delivery.

Heatsink Extrusion-FAQ's

What alloy is typically used in extruded heat sinks?
Aluminum 6000-series alloys-especially 6063-T5-are commonly used for their balance of thermal conductivity and extrudability.
Which profile geometries can be extruded?
Common geometries include straight-fin, slant-fin, pin-fin, cross-cut and star-LED; custom shapes are also supported.
Can I cut extrusions to custom lengths?
Yes, extrusion bars can be cut to any required length without additional tooling costs.
What surface treatments are available?
We offer anodizing, chromating, Alodine, plating, and specialized coatings for enhanced durability and aesthetics.
Is secondary machining possible?
Absolutely-CNC machining, drilling, and adding custom features are all feasible and cost-effective.
Are there standard profiles available?
Yes, we stock standard extruded profiles for fast shipping and prototyping, and offer custom tooling for unique designs.
What volumes are supported?
From rapid prototyping to high-volume production, our extrusion process scales with minimal tooling cost overhead.

Products You May Looking for

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Sinoextrud: Your Heatsink Extrusion Manufacturer

Heatsink extrusion profiles are produced by forcing aluminum through a shaped die, creating continuous profiles with optimized fin designs for effective heat dissipation.


Constructed from durable, lightweight aluminum-typically 6000-series alloys-these extrusions deliver excellent thermal performance suitable for diverse electronic cooling applications.


Available in both standard and fully customized profiles-including straight-fin, slant-fin, pin-fin, and specialized geometries-these extrusions can be cut to length and finished to your specifications.


Secondary processes-such as CNC machining, mounting feature integration, and surface treatments-provide additional flexibility to meet specific design requirements.


With efficient tooling workflows and scalable production, our extruded heat sink solutions are highly cost-effective and tailored for global B2B thermal management applications.


Heatsink Extrusion : The Ultimate FAQ Guide

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