6063 Aluminum Coil
6063 aluminum coil is a heat-treatable strengthened aluminum alloy coil based on aluminum, with magnesium (Mg) and silicon (Si) added. It is widely used in construction, decoration, automotive, and other fields due to its excellent comprehensive performance.
6063 aluminum coil features lightweight, corrosion resistance, and easy processing. With its outstanding overall properties, it is extensively applied in various industries.
6063 Aluminum Coil Specifications
| Category | Specification |
| Alloy | 6063 |
| Temper | O (Annealed), T4 (Solution heat treated then naturally aged), T6 (Solution heat treated then artificially aged), T651 (T6 temper with stress relieved by stretching) |
| Thickness | 0.2mm – 10mm (customizable to thinner such as 0.3mm, or thicker) |
| Width | ≤ 2650mm |
| Length | Customizable as required |
| Surface | Color coated, Anodized, PVC coated |
| Color | Red, White, Black, Blue, Green, etc. |
6063 Aluminum Coil Tempers and Properties
- T4 Temper (Solution heat treatment + Natural aging): Suitable for processing scenarios requiring high plasticity.
- T6 Temper (Solution heat treatment + Artificial aging): Significantly increased hardness, suitable for load-bearing structures.
- T5 Temper (Air cooling quenching + Artificial aging): Combines strength and weather resistance, commonly used in architectural profiles.
- 6063 T5 Aluminum Coil 6063 T5 aluminum coil is artificially aged after extrusion, offering medium strength and good formability; ideal for architectural profiles and decorative applications.
- 6063 T6 Aluminum Coil 6063 T6 aluminum coil is solution heat-treated and artificially aged, providing high strength and excellent hardness; suitable for structural components, transportation, and machinery parts.
- 6063 T52 Aluminum Coil 6063 T52 aluminum coil is based on T6 with stress-relief treatment, offering excellent dimensional stability; commonly used in high-precision structures and load-bearing components.
- 6063 T3 Aluminum Coil 6063 T3 aluminum coil is solution heat-treated, cold worked, and naturally aged, providing a balance of strength and ductility; suitable for medium-strength applications with good formability.
- 6063 T4 Aluminum Coil 6063 T4 aluminum coil is solution heat-treated and naturally aged, with moderate strength and good elongation; easy to form and suitable for further heat treatment.
- 6063 T83 Aluminum Coil 6063 T83 aluminum coil is a strengthened temper with higher strength and excellent corrosion resistance; ideal for industrial applications requiring durability and long service life.
Core Features of 6063 Aluminum Coil
The widespread use of 6063 aluminum coil is mainly attributed to its excellent material properties. It belongs to the Al-Mg-Si alloy system, with magnesium (Mg) and silicon (Si) as its main components.
| Feature Dimension | Description |
| Workability | Excellent workability, outstanding weldability, extrudability, and plating properties. Easy to polish, coat, and anodize with excellent anodizing effect. |
| Mechanical Properties | Strengthened by heat treatment, high impact toughness, notch-insensitive. If quenched and left at room temperature for some time before aging, it may adversely affect the strength (storing effect). |
| Corrosion Resistance | Excellent corrosion resistance, superior weldability and corrosion performance, with no tendency for stress corrosion cracking. |
| Anodizing | The surface is very smooth after processing, easy to anodize and color, with excellent anodizing effect. |
6063 Aluminum Coil Surface Finishes
| Surface Finish | Description |
| 6063 Mill Finish Aluminum Coil | 6063 Mill Finish aluminum coil maintains a natural metallic appearance, with a smooth surface, suitable for further processing and industrial use. |
| 6063 Anodized Aluminum Coil | 6063 Anodized aluminum coil undergoes anodizing treatment, with a hard and wear-resistant surface, excellent corrosion resistance, and decorative effect. |
| 6063 Color Coated Aluminum Coil | 6063 Color Coated aluminum coil has a colored coating on the surface, attractive appearance, widely used in architectural decoration and roofing systems. |
| 6063 PVDF Coated Aluminum Coil | 6063 PVDF Coated aluminum coil uses a fluorocarbon coating, offering long-lasting weather resistance and color stability, commonly used in curtain walls and outdoor decoration. |
| 6063 PE Coated Aluminum Coil | 6063 PE Coated aluminum coil is coated with polyester paint, featuring bright colors, suitable for appliance housings and decorative panels. |
| 6063 PVC Laminated Aluminum Coil | 6063 PVC Laminated aluminum coil has a film-covered surface, offering wear resistance, scratch resistance, and decorative effect, commonly used in furniture and interior decoration. |
| 6063 Brushed Aluminum Coil | 6063 Brushed aluminum coil features unique brushed texture, high-end feel, suitable for premium decoration and electronic product housings. |
| 6063 Mirror Finish Aluminum Coil | 6063 Mirror Finish aluminum coil is mirror-polished, with a shiny surface, widely used in decoration, lighting, and reflective applications. |
| 6063 Embossed Aluminum Coil | 6063 Embossed aluminum coil features various embossed patterns, combining aesthetics and anti-slip function, commonly used in construction and transportation. |
6063 Aluminum Coil Color Options
Chemical Composition of 6063 Aluminum Coil
| Alloy No. | Si | Fe | Cu | Mn | Mg | Cr | Zn< | Ti | Others | Al |
| 6063 | 0.20-0.6 | 0.35 | 0.10 | 0.10 | 0.45-0.9 | 0.10 | 0.10 | 0.10 | 0.20 | REMAIN |
Physical Properties of 6063 Aluminum Coil
| Property | Value |
| Density (ρ) | 2.69 g/cm³ |
Mechanical Properties of 6063 Aluminum Coil
| Property | Value |
| Young’s modulus (E) | 68.9 GPa (9, 990 ksi) |
| Tensile strength (σt) | 145–186 MPa (21.0–27.0 ksi) |
| Elongation at break (ε) | 18–33% |
| Poisson’s ratio (ν) | 0.33 |
Thermal Properties of 6063 Aluminum Coil
| Property | Value |
| Melting temperature (Tm) | 615 °C (1, 139 °F) |
| Thermal conductivity (k) | 201–218 W/(m·K) |
| Linear thermal expansion coefficient (α) | 2.34 × 10⁻⁵ /K |
| Specific heat capacity (c) | 900 J/(kg·K) |
Electrical Properties of 6063 Aluminum Coil
| Property | Value |
| Volume resistivity (ρ) | 30–35 nΩ·m |
Applications of 6063 Aluminum Coil
- Construction Industry: This is the most traditional and primary application area for 6063 aluminum alloy. It is commonly used for manufacturing doors and windows, curtain wall frames, fences, elevator components, etc. This is due to the excellent corrosion resistance, decorative properties (good anodizing effect), and sufficient strength of 6063 aluminum.
- Transportation: Used in automotive parts (such as car floors, truck bodies), ship components, train carriages, etc. Its low density is very beneficial for lightweight vehicles.
- Industrial Products and Structural Components: 6063 aluminum is used for producing industrial profiles, pipes, furniture, racks, and more.
- Other Fields: It can also be used in mobile phone accessories and other applications.
Typical Application Scenarios
Construction and Decoration
- Doors and Curtain Walls: 6063-T5 aluminum coil extruded profiles have high bending stiffness, widely used in high-rise buildings.
- Decorative Lines: Surfaces can be anodized in various colors (e.g., champagne gold, silver white), used for ceilings, partitions, etc.
- Photovoltaic Frames: TÜV-certified 25μm anodized aluminum coil, weather resistance >20 years, compliant with TÜV Rheinland 2PFG 1169 standard.
Industrial and Transportation
- Automotive Parts: 6063-T6 aluminum coil is used for radiators, dashboard brackets, with significant weight reduction benefits.
- Rail Transportation: Interior panels of subway carriages use 0.8mm thick 6063-T4 aluminum coil, combining impact resistance and aesthetic appeal.
- Ship Components: Corrosion resistance makes it suitable for yacht railings, deck decorations, etc.
Electronics and Home Appliances
- Heat Dissipation Components: LED lamp heat sinks use 6063-T6 aluminum coil, with excellent thermal diffusion performance, surface mirror finish roughness Ra ≤ 0.7μm.
- Consumer Electronics: Mobile phone frames and laptop housings anodized for a balance of wear resistance and premium feel.
Comparison between 6063 and 6061 Aluminum Coil
| Feature | 6063 Aluminum Coil | 6061 Aluminum Coil |
| Strength | Medium-Low | Relatively High |
| Workability | Excellent (easy to bend and weld) | Good (requires higher processing force) |
| Surface Treatment | Excellent (Gloss 85 GU) | Good (Gloss 70 GU) |
| Typical Applications | Architectural decoration, electronic heat dissipation, customized profiles | Aerospace structures, automotive chassis, high-strength brackets |
| Cost | Low (15%-20% lower than 6061) | High |
6063 Aluminum Coil Selection and Usage Recommendations
Choose Temper According to Application Requirements
- Decorative Scenarios: T4 or T5 temper, focusing on machinability and surface appearance.
- Structural Scenarios: T6 temper, prioritizing strength and fatigue resistance (e.g., no cracks under 500, 000 cycles of alternating load).
Environmental Adaptation Solutions
- Indoor Dry Environment: 10μm anodized or powder coating.
- Coastal High-Humidity Environment: 25μm hard anodized + silicone coating, salt spray resistance >2000 hours.
- Highly Corrosive Environment (pH < 4): Micro-arc oxidation + composite coating, corrosion resistance improved 3 times.
With its high plasticity, excellent surface treatment performance, and cost advantages, 6063 aluminum coil has become the material of choice for construction, decoration, and industrial applications. When purchasing, it is necessary to comprehensively consider mechanical property requirements (e.g., T6 temper suitable for load-bearing), environmental adaptability (e.g., thick-film anodizing for coastal regions), and supplier qualifications. Through proper selection and process control, 6063 aluminum coil can maximize economic benefits while ensuring quality.
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Further reading