Aluminum 6063-T6
Subcategory: 6000 Series Aluminum Alloy; Aluminum Alloy; Metal; Nonferrous Metal
Close Analogs:
Composition Notes:
Aluminum content reported is calculated as remainder.
Composition information provided by the Aluminum Association and is not for design.
Key Words: UNS A96063; ISO AlMg0.5Si; Aluminium 6063-T6; AA6063-T6
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Material Notes:
Data points with the AA note have been provided by the Aluminum Association, Inc. and are NOT FOR DESIGN.
Physical Properties
| Physical Properties | Metric | English | Comments |
| Density | 2.7 g/cc | 0.0975 lb/in³ | AA; Typical |
Mechanical Properties
| Hardness, Brinell | 73 | 73 | AA; Typical; 500 g load; 10 mm ball |
| Hardness, Knoop | 96 | 96 | Converted from Brinell Hardness Value |
| Hardness, Vickers | 83 | 83 | Converted from Brinell Hardness Value |
| Ultimate Tensile Strength | 241 MPa | 35000 psi | AA; Typical |
| Tensile Yield Strength | 214 MPa | 31000 psi | AA; Typical |
| Elongation at Break | 12 % | 12 % | AA; Typical; 1/16 in. (1.6 mm) Thickness |
| Modulus of Elasticity | 68.9 GPa | 10000 ksi | AA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus. |
| Ultimate Bearing Strength | 434 MPa | 62900 psi | Edge distance/pin diameter = 2.0 |
| Bearing Yield Strength | 276 MPa | 40000 psi | Edge distance/pin diameter = 2.0 |
| Poisson’s Ratio | 0.33 | 0.33 | |
| Fatigue Strength | 68.9 MPa | 10000 psi | AA; 500,000,000 cycles completely reversed stress; RR Moore machine/specimen |
| Machinability | 50 % | 50 % | 0-100 Scale of Aluminum Alloys |
| Shear Modulus | 25.8 GPa | 3740 ksi | |
| Shear Strength | 152 MPa | 22000 psi | AA; Typical |
Electrical Properties
| Electrical Resistivity | 3.32e-006 ohm-cm | 3.32e-006 ohm-cm | AA; Typical at 68°F |
Thermal Properties
| CTE, linear 68°F | 23.4 µm/m-°C | 13 µin/in-°F | AA; Typical; Average over 68-212°F range. |
| CTE, linear 250°C | 25.6 µm/m-°C | 14.2 µin/in-°F | Average over the range 20-300ºC |
| Specific Heat Capacity | 0.9 J/g-°C | 0.215 BTU/lb-°F | |
| Thermal Conductivity | 200 W/m-K | 1390 BTU-in/hr-ft²-°F | AA; Typical at 77°F |
| Melting Point | 616 – 654 °C | 1140 – 1210 °F | AA; Typical range based on typical composition for wrought products 1/4 inch thickness or greater |
| Solidus | 616 °C | 1140 °F | AA; Typical |
| Liquidus | 654 °C | 1210 °F | AA; Typical |
Processing Properties
| Annealing Temperature | 413 °C | 775 °F | hold at temperature for 2 to 3 hr; cool at 50°F per hour from 775 to 500°F |
| Solution Temperature | 521 °C | 970 °F | |
| Aging Temperature | 177 °C | 350 °F | hold at temperature for 8 hr |