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Round Aluminum Heat Sink

Round Aluminum Heat Sink

  • 360° Cylindrical Cooling Design: The round form provides omnidirectional heat dissipation, ideal for enclosed or tubular device configurations.
  • Premium Aluminum Alloy: Made from high-quality 6061 or 6063 aluminum, delivering excellent thermal conductivity and durability.
  • Corrosion-Resistant Finish: Black anodized surface improves both visual aesthetics and corrosion resistance for long-term performance.
  • Lightweight & Robust Structure: Combines durable mechanical strength with minimal added weight-perfect for compact applications.
  • OEM & ODM Customization: Fully customizable in size, shape, and thermal characteristics to match your design requirements.
  • Fast Turnaround Production: Delivery typically within 15 working days, ensuring quick time-to-market for your tailored solutions.
  • Reliable Manufacturing Quality: Produced under ISO 9001 certified processes with stringent performance, durability, and dimensional testing.
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Round Aluminum Heat Sink Product

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Custom Round Aluminum Heat Sink Solutions

Our cylindrical aluminum heat sinks are designed for maximum flexibility and performance. From core material to finishing and sizing, each unit is tailored to meet your specific cooling, aesthetic, and structural needs.

  • Material Selection: Aluminum 6061 or 6063 alloy
  • Surface Treatment: Black or matt-black anodizing
  • Customization Options: Custom sizes, shapes, and thermal performance tuning available
  • Manufacturing Precision: CNC machining with high accuracy, tolerance ±0.02 mm
  • Extrusion Capability: Dozens of lines, 600-5000 TON extrusion machines, supporting complex designs up to 450 mm width
  • Production Capacity: Monthly output up to 55,000 pieces
  • Delivery Lead Time: Typically within 15 working days
  • MOQ: 1000 pcs per order

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Why Partner with Sinoextrud for Your Round Aluminum Heat Sink 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.

Round Aluminum Heat Sink-FAQ's

What materials are used?
We primarily use aluminum alloys 6061 or 6063 to ensure a balance of thermal efficiency and strength.
Can dimensions be customized?
Yes, we support fully tailored sizes and shapes to meet client-specific requirements.
What surface treatments are offered?
Standard finish is black anodizing; matt black anodizing is available upon request.
What is the typical lead time?
Most custom orders are delivered within 15 working days.
What is the minimum order quantity?
MOQ for round aluminum heat sinks is 1000 pieces.
How is product quality controlled?
All units undergo ISO 9001 standard quality checks, including thermal performance, durability, and dimensional accuracy.

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Sinoextrud: Your Round Aluminum Heat Sink Manufacturer

Round aluminum heat sinks are designed to deliver uniform 360° heat dissipation, making them ideal for compact, cylindrical or enclosed electronic applications.


Constructed from high-grade aluminum (6061/6063) with a protective black anodized finish, these heat sinks are lightweight yet durable, with excellent heat transfer and corrosion resistance.


We offer full OEM and ODM support, including custom sizing and thermal optimization, with precise CNC machining, and fast production and delivery cycles-typically within 15 working days.


Manufactured under ISO 9001 processes and with a high monthly capacity (up to 55,000 pieces), our solutions combine quality, flexibility, and scalability for your product line.


Choose our round aluminum heat sinks for efficient, reliable, and visually appealing thermal management in your next-generation devices.


Round Aluminum Heat Sink : The Ultimate FAQ Guide

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