6063-T5 Aluminum Alloy Overview

Jan 04, 2026

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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 Overview

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.

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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.

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