6061 Aluminum Sheets
About 6061 Aluminum Sheets
6061-T6 aluminum sheet offers 45,000 PSI tensile strength, excellent weldability, and superior corrosion resistance. Conforms to ASTM B209. Ideal for structural frames and machined parts. In-stock in Los Angeles.
Quick Facts
- Material: 6061-T6 Aluminum
- ASTM Standard: B209
- Temper: T6 (Solution heat-treated, artificially aged)
- Available Sizes: Thicknesses starting at 0.080"
- Location: Los Angeles warehouse
- Services: Custom size, same-day pickup
Overview
6061 aluminum sheet is a precipitation-hardened alloy containing magnesium and silicon as its primary alloying elements. This composition makes it one of the most versatile and widely used heat-treatable aluminum alloys. It exhibits a high strength-to-weight ratio, very good corrosion resistance to atmospheric conditions and seawater, and can be readily welded and machined. Its combination of strength, formability, and durability makes it a preferred material for a wide range of structural applications.
The T6 temper of 6061 aluminum signifies that the material has been solution heat-treated and then artificially aged. This thermal treatment process significantly increases the alloy's strength and hardness, optimizing it for load-bearing applications. While in a fully soft, annealed state it has good formability, the T6 temper provides the best combination of mechanical properties. This makes it a dependable choice for projects requiring robust performance without the weight of steel.
Technical Specifications
Mechanical Properties (6061-T6)
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 45,000 | PSI |
| Yield Strength | 40,000 | PSI |
| Elongation | 12 | % |
| Hardness | 95 | HB |
| Shear Strength | 30,000 | PSI |
| Density | 0.098 | lb/in³ |
Applicable Standards
- ASTM B209: Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate
Common Applications
- Structural & Architectural: Base plates, gussets, and support brackets - for its high strength and weldability.
- Aerospace: Non-critical aircraft components and fuselage skins - for its excellent strength-to-weight ratio.
- Automotive: Chassis components and suspension parts - for lightweighting without compromising strength.
- Marine: Boat hulls, docks, and marine hardware - due to its superior corrosion resistance in saltwater environments.
- Fabrication: General machining, tooling plates, and jigs - because of its good machinability and dimensional stability.
- Electronics: Enclosures, mounting panels, and heat sinks - for its thermal conductivity and ease of fabrication.
- Consumer Goods: Bicycle frames, scuba tanks, and camera mounts - for durable, lightweight construction.
Working with 6061 Aluminum Sheets
Machining
6061-T6 aluminum has a 'Good' machinability rating. It produces consistent chips, but they can be gummy. Use sharp tooling, high cutting speeds, and ample lubrication or coolant to prevent material buildup on the cutting edge and achieve a fine surface finish.
Welding
This alloy has 'Excellent' weldability using common methods like TIG (GTAW) and MIG (GMAW). Use 4043 filler rod for general purposes or 5356 for higher shear strength. Note that welding will reduce strength in the heat-affected zone (HAZ); post-weld heat treatment may be required to restore the full T6 temper.
Finishing
6061 aluminum readily accepts various finishing methods. It is an excellent candidate for anodizing, which improves surface hardness and corrosion resistance while allowing for a variety of colors. It can also be powder coated, painted, or polished after proper surface preparation.
Related Products
Frequently Asked Questions
Q: What does the T6 temper mean for 6061 aluminum sheet?
A: The T6 temper indicates that the aluminum has been solution heat-treated and then artificially aged. This two-step thermal process maximizes the material's strength and hardness, making it ideal for structural and load-bearing applications. Its yield strength increases to around 40,000 PSI in this state.
Q: Is 6061 aluminum sheet suitable for marine environments?
A: Yes, 6061-T6 has very good corrosion resistance and is commonly used for boat trailers, hardware, and structural components. For applications involving prolonged, direct contact with saltwater, such as boat hulls, marine-grade alloys like 5052 or 5083 may offer even better long-term performance.
Q: How does 6061 sheet compare to 5052 sheet?
A: 6061 is a stronger, heat-treatable alloy ideal for structural parts and machining. 5052 is a non-heat-treatable alloy with superior formability, weldability, and corrosion resistance, particularly in marine environments. Choose 6061 for strength-critical applications and 5052 for parts that require complex bending and forming.
Stock & Custom Sizes
Available thicknesses: 0.080". Standard sheets: 4×12 ft. Custom size available.
Same-day cutting and Los Angeles pickup available.
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