Introduction to 6063 Aluminum Alloy
6063 aluminum alloy is a versatile material known for its excellent formability and surface finish. It contains silicon and magnesium as primary alloying elements, making it ideal for producing intricate shapes with smooth surfaces. This alloy is widely used in architectural applications such as window and door frames, roofing systems, signage, and decorative elements like corners, grooves, and moldings. Additionally, it is commonly used in the production of pipes, tubes, and furniture due to its good extrudability and corrosion resistance.
6063 Aluminum Alloy Variants
UNS A96063, ISO AlMg0.5Si, Aluminum 6063-T6, AA 6063-T6, 6063-O, 6063-T1, 6063-T4, 6063-T5, 6063-T6, 6063-T52, 6063-T53, 6063-T54, 6063-T55, 6063-T832
Chemical Composition of 6063 Aluminum Alloy
The main alloying elements in 6063 aluminum are magnesium (Mg) and silicon (Si). These elements contribute to the alloy’s strength, durability, and workability, making it suitable for a wide range of industrial and architectural uses.
Mechanical Properties of 6063 Aluminum Alloy
6063 is a medium-strength heat-treatable alloy within the Al-Mg-Si system. It offers good machinability, weldability, and extrusion performance, which makes it popular in the manufacturing of structural and decorative components. While it is not the strongest aluminum alloy, it provides a good balance of strength and formability. For applications requiring higher strength, alloys like 6061 or 6082 are often preferred.
The mechanical properties of 6063 aluminum depend significantly on the heat treatment process. Common temper conditions include:
- T5: Cooled from high temperature and then artificially aged.
- T6: Solution heat-treated and then artificially aged.
Chemical Composition of 6063
| Chemical Composition Limits | |||||||||||
| Weight% | Al | Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Other Each | Others Total |
| 6063 | Bal | 0.2–0.6 | 0.35 max | 0.10 max | 0.10 max | 0.45–0.9 | 0.1 max | 0.10 max | 0.10 max | 0.05 max | 0.15 max |
Mechanical Properties of 6063 Aluminum Alloy
| Material | Diameter or wall thickness (") | Tensile Strength (ksi) min | Yield Strength (ksi) min | Elongation % in 2" |
| Alloy 6063 | <0.125 | 30 | 25 | 8 |
| Alloy 6063 | 0.125 - 1.00 | 30 | 25 | 10 |
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