5005 5052 Satin Anodized Aluminum Sheets
Aluminum sheets play a crucial role across diverse industries, and the 5005 and 5052 series are among the most popular alloy choices due to their excellent combination of corrosion resistance, strength, and workability. When combined with a satin anodized finish, these aluminum sheets not only deliver outstanding mechanical and chemical properties but also present a sleek, aesthetically pleasing, and durable surface ideal for premium applications.
What are 5005 and 5052 Aluminum Alloys?
- 5005 Aluminum Alloy: Known for good corrosion resistance, decent strength, and excellent anodizing response, 5005 is frequently used in decorative applications due to its superior surface finish capabilities.
- 5052 Aluminum Alloy: Slightly stronger than 5005, 5052 provides enhanced corrosion resistance, particularly in marine and chemical environments, making it highly versatile for structural as well as functional purposes.
Satin Anodized Finish
Anodizing is the process of creating a protective oxide layer on the aluminum surface through electrochemical techniques. The satin finish offers a smooth, matte luster with reduced reflectivity compared to total gloss finishes, which minimizes glare while enhancing durability and wear resistance.
2. Chemical Composition
The elemental makeup of 5005 and 5052 alloys is carefully balanced to provide optimal mechanical and chemical performance. The following tables detail the typical chemical composition expressed in percentages (% by weight):
| Element | 5005 Alloy (%) | 5052 Alloy (%) |
|---|---|---|
| Aluminum (Al) | Balancer (≥ 97.0) | Balancer (≥ 97.25) |
| Magnesium (Mg) | 0.5 - 1.1 | 2.2 - 2.8 |
| Chromium (Cr) | 0.1 max | 0.15 - 0.35 |
| Iron (Fe) | 0.7 max | 0.4 max |
| Silicon (Si) | 0.3 max | 0.25 max |
| Copper (Cu) | 0.1 max | 0.1 max |
| Manganese (Mn) | 0.2 max | 0.1 max |
| Zinc (Zn) | 0.1 max | 0.1 max |
3. Technical Specifications
The table below summarizes the mechanical and physical properties of satin anodized 5005 and 5052 aluminum sheets with typical temper H34/H32:
| Property | 5005 Alloy | 5052 Alloy |
|---|---|---|
| Tensile Strength (MPa) | 180 - 230 | 228 - 300 |
| Yield Strength (MPa) | 70 - 130 | 193 - 260 |
| Elongation (%) | 8 - 12 | 7 - 15 |
| Hardness (Brinell) | 45 - 70 | 70 - 85 |
| Density (g/cm³) | 2.67 | 2.68 |
| Thermal Conductivity (W/m·K) | 138 | 138 |
| Electrical Conductivity (% IACS) | 34 - 38 | 33 - 38 |
| Melting Point (°C) | 600 - 650 | 607 - 650 |
| Surface Finish | Satin anodized (matte luster) | Satin anodized (matte luster) |
4. Features
Corrosion Resistance
Both alloys exhibit excellent resistance to atmospheric corrosion and saltwater environments, with 5052 outperforming 5005 due to a higher magnesium content.Enhanced Surface Protection
The satin anodized coating enhances resistance to wear, scratches, and oxidization, significantly prolonging service life while maintaining an attractive matte appearance.Lightweight Yet Strong
Offers a favorable strength-to-weight ratio, ideal for applications requiring low mass without compromising mechanical integrity.Excellent Workability
Superb formability and weldability suitable for complex shapes, bending, and joining processes.Low Maintenance
Anodized satin finish resists dirt buildup and discoloration, easy to clean with mild detergents.
5. Applications
Satin anodized 5005 and 5052 aluminum sheets are highly adaptable and find use in a variety of sectors:
| Application Area | Description | Typical Alloy Choice |
|---|---|---|
| Architecture and Construction | Decorative facades, ceiling panels, false ceilings, window frames, sunshades | 5005 |
| Automotive and Transportation | Truck and trailer bodies, fuel tanks, decorative panels | 5052 |
| Marine | Boat hulls, platforms, decks, and marine containers due to high saltwater corrosion resistance | 5052 |
| Advertisement and Signage | Durable, visually appealing signboards and nameplates | 5005 |
| Electronics and Appliances | Casings and housings requiring abrasion resistance and aesthetic finish | 5005 |
| Interior Design | Elevators, furniture facings, kitchen appliances, balustrades, and wall panels | 5005 and 5052 |
6. Processing Notes and Considerations
- Anodizing Parameters: Satin finish relies on controlled chemical treatment and mechanical polishing prior to anodizing. The color uniformity and surface texture must be evaluated to achieve desired aesthetics.
- Cutting and Forming: Both alloys exhibit excellent machinability under precise process controls but will benefit from sharp tools and lubrication.
- Heat Treatment: These are non-heat-treatable alloys; desired mechanical properties derive from cold working.
- Environmental Use: 5052 is usually preferred in harsher exposure scenarios, while 5005 excels in decorative and lightweight corrosion protection applications.
| Property | 5005 Satin Anodized Sheet | 5052 Satin Anodized Sheet |
|---|---|---|
| Primary Strength | Moderate | Higher |
| Corrosion Resistance | Good (general atmospheric) | Excellent (marine and chemical) |
| Surface Appearance | High Degree of Satin Matte Finish | High Degree of Satin Matte Finish |
| Typical Uses | Decorative façades, signage, appliances | Structural marine parts, automotive panels |
| Formability & Weldability | Excellent | Excellent |
References
- Aluminum Association Alloy Series Overview
- ASTM B209 Specifications for Aluminum and Aluminum-Alloy Sheet and Plate
- Anodizing Industry Standards and Best Practices
For detailed custom orders, processing, or material certification requests, please contact our engineering sales team.
Note: All data provided corresponds to typical properties and may vary based on sheet thickness, temper, and exact processing parameters.
https://www.al-alloy.com/a/5005-5052-satin-anodized-aluminum-sheets.html
