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Home > Products > Prepainted Aluminium Coil > Aluminum Alloy 3003 Strip for Heat Sinks with 0.2–0.4mm Thickness Custom Width in Annealed State

Aluminum Alloy 3003 Strip for Heat Sinks with 0.2–0.4mm Thickness Custom Width in Annealed State

Product Details

Place of Origin: China

Brand Name: Dingang

Certification: SGS,ITS,BV

Model Number: 0.2–0.4mm×Customizable(mm)mm-Aluminum alloy 3003

Payment & Shipping Terms

Minimum Order Quantity: 1000 Kgs / 1 Metric Ton

Packaging Details: Seaworthy Packing With Wooden Pallet

Delivery Time: Within 35 Days After Order Confirmed And Down Paymetn Received

Payment Terms: L/C,T/T,Western Union,MoneyGram

Supply Ability: 5000 Tons / Per Month

Get Best Price
Highlight:

0.2–0.4mm Thickness Aluminum Alloy 3003 Strip

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Custom Width Annealed Aluminum Strip

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Annealed State Heat Sink Aluminum Strip

Name:
Aluminum Alloy 3003 Aluminum Strip For Heat Sinks (0.2–0.4 Mm | Custom Width | Annealed State)
Alloy:
3003
Thickness:
0.2–0.4mm
Width:
Customizable(mm)
Color:
Customizable
Shape:
Coil
Process:
Rolling
Paint Coating:
PE PVDF Etc.
Recyclable:
Yes
Name:
Aluminum Alloy 3003 Aluminum Strip For Heat Sinks (0.2–0.4 Mm | Custom Width | Annealed State)
Alloy:
3003
Thickness:
0.2–0.4mm
Width:
Customizable(mm)
Color:
Customizable
Shape:
Coil
Process:
Rolling
Paint Coating:
PE PVDF Etc.
Recyclable:
Yes
Aluminum Alloy 3003 Strip for Heat Sinks with 0.2–0.4mm Thickness Custom Width in Annealed State
Aluminum Alloy 3003 Aluminum Strip for Heat Sinks
Advanced material for ultra-thin, high-efficiency heat sink fins in electronics, LED lighting, 5G base stations and EV battery cooling systems.
Product Overview
The 3003 annealed aluminum strip (0.2-0.4 mm thickness, 50-600 mm customizable width, soft O-state annealed) delivers superior thermal management solutions for demanding applications.
Key Specifications
Thickness 0.001mm-2.5mm
Width 600-1500mm
Material 3003
Temper O, H12, H14, H16, H18, H24, H26, H32, H34, etc
Inner Diameter 405mm, 505mm, 150mm, etc.
Color RAL, Pantone Color or Custom Requirements
Coating Thickness PVDF Paint Coating: Not Less Than 25um
PE Paint Coating: Not Less Than 18um
Packing Export Standard Wooden Pallets
MOQ 1 Ton Per Specification
Delivery Time Within 30 Days
Loading Port Shanghai Port
Performance Advantages
+30% Heat Dissipation Ultra-thin 0.2 mm fins provide larger surface area for enhanced cooling
Lightweight Solution 0.3 mm aluminum vs 0.6 mm extruded for lighter devices
Perfect Stamping Performance O-state elongation >35% enables zero crack formation on 10:1 fins
High-Speed Production Compatible with high-speed die processes up to 1000 strokes/min
Superior Thermal Conductivity 160 W/m*K for fast heat spreading and low thermal resistance
Eco-Friendly 96% lower CO₂ emissions compared to copper fins
Material Properties
  • Alloy 3003-O: Excellent thermal conductivity (160 W/m*K)
  • Elongation >35%: Perfect for dense fin stamping applications
  • Fully annealed O-state: Zero spring-back for ultra-thin 0.2 mm fins
  • Custom width with protective film: Ready for high-speed progressive die stamping
Industry Applications
Electronics: Intel, AMD, NVIDIA CPU/GPU coolers
LED Lighting: Philips, Osram, Cree high-power lamps
Telecom: Huawei, Ericsson 5G base station heat sinks
Electric Vehicles: Tesla battery pack cooling fins, BYD blade modules
Case Studies
  • Intel Core i9 Laptop Cooling: 0.3 mm 3003-O ultra-thin fin stock delivering 30% improved cooling performance
  • Huawei 5G AAU Base Station: 0.4 mm annealed 3003 strip with 3000h salt-spray certification
  • Tesla Model 3/Y Battery Pack: 0.2 mm ultra-thin 3003-O fins enabling 60% faster stamping
  • Philips Hue High-Power LED: 0.35 mm 3003 annealed fin strip ensuring 100,000h operational life
Cool hotter devices better - ACT NOW!
Contact us to request 0.3 mm annealed samples and detailed cooling performance reports
24 Hour Quote Available
T: 0086 13961220663
E: gavin@cnchangsong.com