6061-T6 Aluminum: Properties, Specifications & Applications

6061-T6 Aluminum: The Versatile High-Strength Alloy

6061-T6 aluminum is the cornerstone of modern structural manufacturing. Renowned for its balanced mechanical properties, this alloy is the preferred choice for everything from aircraft components to precision-machined parts. At Alusat, we provide expert insights into why this material remains an industry standard.

Core Specifications of 6061-T6 Aluminum

Mechanical Performance

Tensile strength: 310 MPa (45 ksi)
Yield strength: 276 MPa (40 ksi)
Elongation: 12% - Ideal for load-bearing structures.

Physical Data

Density: 2.70 g/cm³
Melting range: 582-652°C
Excellent thermal and electrical conductivity.

Fabrication Excellence

Highest weldability and machinability among the 6xxx series alloys. Supports hard coat anodizing.

Comparative Analysis: 6061 vs. Other Alloys

Choosing the right alloy is vital for project success. While 6061-T6 offers high strength, users often compare it with 6063 for decorative purposes. Explore our in-depth comparison on 6063-T6 aluminum features to see which fits your extrusion needs.

Property	6061-T6	6063-T6	6082-T6
Tensile Strength (MPa)	310	240	310-340
Yield Strength (MPa)	276	215	260-300
Machinability	Good	Fair	Good

Chemical Composition Breakdown

Magnesium (Mg): 0.8-1.2% - Enhances strength and corrosion resistance.
Silicon (Si): 0.4-0.8% - Reduces melting point and improves flow.
Chromium (Cr): 0.04-0.35% - Controls grain structure.

Understanding these elements is key to optimizing the aluminum extrusion process.

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