6061 Aluminum Perforated Sheets
About 6061 Aluminum Perforated Sheets
6061-T6 aluminum perforated sheet combines 45,000 PSI tensile strength with good formability and excellent corrosion resistance. Conforms to ASTM B209. Used for ventilation grilles, architectural panels, and filtration screens.
Quick Facts
- Material: 6061-T6 Aluminum
- ASTM Standard: B209
- Temper/Condition: T6 (Solution heat-treated, artificially aged)
- Available Sizes: Various thicknesses and hole patterns
- Location: Los Angeles warehouse
- Services: Custom size, same-day pickup
Overview
6061 aluminum perforated sheet is a versatile product made from one of the most widely used heat-treatable aluminum alloys. The T6 temper indicates it has been solution heat-treated and artificially aged to achieve high strength properties, rivaling those of mild steel. Its alloy composition, primarily magnesium and silicon, provides excellent resistance to atmospheric and saltwater corrosion. This combination of strength, corrosion resistance, and light weight makes it a primary material for structural and fabrication projects.
The perforation process adds significant utility, reducing weight further while allowing for the passage of light, air, and liquids. This makes it ideal for applications requiring ventilation, filtration, or a decorative effect. The material retains good formability and has excellent weldability, allowing it to be easily fabricated into complex shapes. Common perforation patterns include round, square, and slotted holes in various staggered or straight-line configurations, offering functional and aesthetic flexibility for designers and engineers.
Technical Specifications
Mechanical Properties (6061-T6 Base Material)
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 45,000 | PSI |
| Yield Strength | 40,000 | PSI |
| Elongation | 12 | % |
| Hardness | 95 | HB |
Applicable Standards
- ASTM B209: Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate.
Common Applications
- Architectural: Building facades, sunshades, and decorative infill panels - provides aesthetic appeal and light control.
- HVAC Systems: Ventilation grilles and equipment enclosures - allows for airflow while protecting components.
- Industrial Filtration: Screens for separating solids from liquids or air - offers corrosion resistance and durability.
- Safety & Security: Machine guards and security screens - creates a strong, lightweight barrier.
- Automotive: Grilles and radiator guards - protects components while allowing for cooling airflow.
- Acoustics: Sound-absorbing ceiling and wall panels - allows sound to pass through to dampening materials.
- Retail & Displays: Shelving, display fixtures, and signage - offers a modern, high-tech look with functional benefits.
- Marine: Catwalks, flooring, and filtration systems - leverages the material's excellent saltwater corrosion resistance.
Working with 6061 Aluminum Perforated Sheets
Machining
6061-T6 aluminum has good machinability. Use high-speed steel or carbide tooling with appropriate lubricants to prevent material buildup on the cutting edge. The perforated nature requires firm support to avoid distortion during machining operations.
Welding
This alloy exhibits excellent weldability using TIG (GTAW) or MIG (GMAW) processes. 4043 filler wire is a common choice, while 5356 wire can be used for slightly higher strength. The heat from welding will lower the strength in the heat-affected zone (HAZ).
Finishing
6061 aluminum readily accepts various finishes. It can be anodized for increased corrosion and wear resistance, powder-coated for color and durability, or polished to a bright finish. The mill finish has a semi-smooth, matte appearance.
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Frequently Asked Questions
Q: What does the T6 temper mean for 6061 aluminum?
A: The T6 temper signifies that the aluminum has undergone a two-part heat treatment. First, it is solution heat-treated to a high temperature and then quenched. Second, it is artificially aged in a low-temperature furnace. This process significantly increases the material's strength and hardness.
Q: Is 6061 perforated sheet suitable for outdoor structural use?
A: Yes, 6061 aluminum has excellent corrosion resistance, making it well-suited for outdoor applications. For enhanced protection, especially in coastal or industrial environments, an anodized or powder-coated finish is recommended.
Q: What is the difference between perforated and expanded aluminum?
A: Perforated sheet is made by punching holes out of a solid sheet, resulting in a flat product with uniform openings and a higher scrap rate. Expanded sheet is made by slitting and stretching the metal, creating diamond-shaped openings with no material loss. Perforated is typically flatter, while expanded has a higher strength-to-weight ratio.
Stock & Custom Sizes
Available in various thicknesses and standard sheet sizes such as 4x8 ft and 4x10 ft. Common hole patterns include round, square, and slotted. Custom sizes and patterns are available.
Same-day cutting and Los Angeles pickup available.
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