6063-T5 Aluminum Alloy Overview
6063-T5 aluminum refers to 6063 alloy supplied in the T5 temper condition. It is a medium-strength, heat-treatable aluminum alloy belonging to the 6000 series (Al-Mg-Si alloys), widely used for extrusion applications.
At GNEE, 6063-T5 aluminum is produced through controlled extrusion followed by artificial aging, ensuring the alloy meets standardized mechanical performance requirements while maintaining excellent surface quality.
Heat Treatment Characteristics of 6063-T5 Aluminum
6063-T5 aluminum alloy achieves its temper through high-temperature forming (extrusion) and subsequent artificial aging, without solution heat treatment.
This process provides a balance of strength, ductility, and dimensional stability, making 6063-T5 especially suitable for architectural and decorative profiles.
Specifications of 6063-T5 Aluminum Sheet & Profiles
6063-T5 aluminum alloy is commonly supplied by GNEE in the form of aluminum sheets, plates, and a wide range of extruded profiles. It can be manufactured into multiple cross-sections to meet different engineering and architectural needs.
Available Forms
Aluminum sheets and plates
Angle aluminum
Channel aluminum
Aluminum rods and bars
Round tubes and square tubes
General Specifications
| Item | Description |
|---|---|
| Length | Cut to customer requirements |
| Surface Finish | Mill finish, polishing, brushing, anodizing, coating |
| Coating Types | PVC, color coating, polyester, fluorocarbon, polyurethane, epoxy |
| Packaging | Paper interleaving, laminated packaging |
| Pricing | Factory direct pricing, no intermediaries |
| Standards | ASTM B209, ASTM B632/B632M, ASTM B947, ASTM B548, ASTM B928/B928M |

6063-T5 Aluminum Alloy Chemical Composition
6063-T5 aluminum primarily consists of aluminum, magnesium, and silicon. Minor elements are strictly controlled to ensure stable performance, corrosion resistance, and excellent extrudability.
| Element | Content |
|---|---|
| Silicon (Si) | 0.20% – 0.60% |
| Magnesium (Mg) | 0.45% – 0.90% |
| Iron (Fe) | ≤ 0.35% |
| Copper (Cu) | ≤ 0.10% |
| Manganese (Mn) | ≤ 0.10% |
| Titanium (Ti) | ≤ 0.10% |
| Zinc (Zn) | ≤ 0.10% |
| Other elements (each) | ≤ 0.05% |
| Other elements (total) | ≤ 0.15% |
| Aluminum (Al) | Balance |
Physical Properties of 6063-T5 Aluminum Plate & Sheet
6063-T5 aluminum alloy demonstrates excellent thermal and electrical conductivity, along with stable physical characteristics.
| Property | Value | Description |
|---|---|---|
| Density | 2.7 g/cm³ | Lightweight structural material |
| Linear Expansion Coefficient | 23.5 × 10⁻⁶ /℃ | Dimensional stability |
| Thermal Conductivity | 201 – 218 W/(m·K) | Efficient heat dissipation |
Mechanical & Performance Advantages of 6063-T5 Aluminum
Excellent Corrosion Resistance of 6063-T5 Aluminum
The combined presence of magnesium and silicon enables 6063-T5 aluminum to resist corrosion in humid and mildly aggressive environments, ensuring long service life.
Strong Oxidation Resistance of 6063-T5 Aluminum
When exposed to air, 6063-T5 naturally forms a dense oxide layer that protects the base metal from oxidation and environmental degradation.
High-Temperature Stability of 6063-T5 Aluminum
6063-T5 aluminum maintains stable chemical and mechanical properties under elevated temperatures, reducing the risk of performance loss in demanding conditions.
Applications of 6063-T5 Aluminum Plate & Sheet
Architectural Applications of 6063-T5 Aluminum
Aluminum doors and windows
Curtain wall frames
Decorative architectural profiles
These applications benefit from excellent surface finish, corrosion resistance, and assembly performance.
Industrial Applications of 6063-T5 Aluminum
Industrial shelving systems and supports
Structural parts for automation equipment
Lightweight aluminum ladders
Conveyor belt support structures
Solar panel mounting frames
Other Uses of 6063-T5 Aluminum
Transportation and energy equipment
Military and aerospace lightweight structures
Lighting fixtures and support components
Comparison: 6063-T5 vs 6063-T6 Aluminum
6063-T5 aluminum and 6063-T6 aluminum share the same chemical composition but differ in mechanical behavior due to different heat treatment processes.
| Property | 6063-T5 | 6063-T6 |
|---|---|---|
| Ductility | Higher, excellent formability | Lower due to higher strength |
| Machinability | Very good | Moderate |
| Strength | Medium | High |
| Typical Applications | Architectural, decorative, complex profiles | Structural, load-bearing components |
GNEE Recommendation:
Choose 6063-T5 for complex shapes and premium surface quality. Choose 6063-T6 when higher load-bearing strength is required.
6063-T5 Aluminum vs 6063-T52 Aluminum
Both 6063-T5 aluminum and 6063-T52 aluminum are derived from the same alloy composition. The difference lies in processing routes, which lead to variations in mechanical properties while retaining similar physical characteristics.
FAQ About 6063-T5 Aluminum Sheet & Plate
What is 6063-T5 aluminum used for?
6063-T5 aluminum is widely used in architectural systems such as window frames, curtain walls, irrigation pipes, and light structural supports.
Which is better: 6061-T6 or 6063-T5 aluminum?
6061-T6 offers higher strength and hardness, while 6063-T5 aluminum is preferred for extrusion profiles, superior surface finish, and complex shapes.
Is 6063-T5 aluminum easy to bend?
Yes. 6063-T5 aluminum has good ductility and is well-suited for bending, curving, and intricate profile designs.
What is the difference between 6060 and 6063-T5 aluminum?
6063-T5 provides better extrudability and surface finish, while 6060 aluminum offers slightly higher mechanical strength.

