6063 Aluminum Square Tube
The 6063 aluminum square tube is made from an aluminum-magnesium-silicon alloy (Al-Mg-Si alloy) and is widely used in the construction industry, especially for window and door frames, decorative structures, and other lightweight frame structures. The 6063 alloy, with its excellent formability, high tensile strength, good surface treatment properties, and superior corrosion resistance, makes it an ideal choice for various applications.
Features of 6063 Aluminum Square Tube
| Property | Description |
| Weldability | Excellent |
| Machinability and Polishing | Good |
| Bending and Formability | Good |
| Wear Resistance | Poor |
| Corrosion Resistance | Excellent |
- Formability: The 6063 aluminum alloy has excellent extrusion properties and is easy to process with various operations such as cutting, bending, and welding, while maintaining stability in shape and dimensions during processing.
- Surface Treatment: This alloy demonstrates excellent performance in anodizing, forming a uniform and durable oxide film. The oxide film significantly enhances the material's wear resistance and corrosion resistance, making the 6063 aluminum square tube perform excellently in outdoor or humid environments.
- Corrosion Resistance: 6063 aluminum alloy has strong corrosion resistance, especially in humid or marine environments, effectively resisting oxidation and corrosion, thus extending its service life.
- Strength and Toughness: Although the 6063 aluminum alloy has relatively high tensile and yield strength, meeting the structural needs of certain strength requirements, it still maintains good toughness, reducing the risk of cracking or breaking.
- Weldability: The alloy has good weldability, suitable for various welding methods, ensuring stable and reliable connections in structural components.
6063 Aluminum Square Tube Specifications
- Dimensions: Generally range from 20mm x 20mm to 200mm x 200mm.
- Wall Thickness: Typically ranges from 1mm to 5mm, selected based on the load-bearing requirements of the application.
Applications of 6063 Aluminum Square Tube
- Construction Industry: Widely used in structures such as window frames, door frames, sunrooms, curtain walls, and stair railings due to its lightweight, durability, and aesthetic appeal, making it particularly suitable for modern building decoration needs.
- Outdoor Facilities: Due to its superior corrosion resistance, the 6063 aluminum square tube is also used in outdoor facilities like garden fences, balcony railings, and street furniture, where it needs to maintain its appearance and stability in harsh weather and environmental conditions.
- Transportation: The 6063 aluminum square tube is used in the framework, brackets, and other structural components of transportation vehicles due to its strength and lightweight properties.
- Decorative Purposes: In addition to structural uses, the 6063 aluminum square tube is commonly used in decorative structures such as building facades and display racks, offering high aesthetic value.
Performance Advantages of 6063 Aluminum Square Tube
- Aesthetic Appeal: 6063 aluminum alloy has good surface smoothness, and can be further processed through anodizing, coating, and polishing to enhance its visual appearance.
- Lightweight: The 6063 aluminum alloy has a low density, making the 6063 aluminum square tube lightweight, ideal for projects where weight control is important.
- Processing Adaptability: In addition to extrusion, the 6063 aluminum square tube is easy to process by other methods such as cutting, drilling, and bending, making it adaptable to various engineering needs.
- Weather Resistance: The 6063 aluminum square tube can resist UV rays, moisture, salt mist, and other environmental factors, making it especially suitable for marine climates or locations that are often exposed to the outdoors.
Anodizing Characteristics of 6063 Aluminum Square Tube
The 6063 aluminum square tube is particularly well-suited for anodizing treatment, where an electrochemical reaction forms a wear-resistant and decorative oxide film. The thickness, hardness, and surface smoothness of this oxide film can be adjusted according to needs, enhancing both corrosion resistance and aesthetic appearance.
- Wear Resistance: The oxide film surface is hard and can prevent surface scratches or wear, making it suitable for long-term exposure in outdoor installations.
- Corrosion Resistance: The anodized 6063 aluminum square tube exhibits enhanced corrosion resistance, especially in marine environments, areas with heavy moisture, or regions with strong acid-alkali conditions.
Chemical Composition of 6063 Aluminum Tube
| Element | Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Other (each) | Other (total) | Al |
| Composition (%) | 0.20 – 0.60 | 0.35 max | 0.10 max | 0.10 max | 0.45 – 0.90 | 0.10 max | 0.10 max | 0.10 max | 0.05 max | 0.15 max | Balance |
6063 Aluminum Tube Physical Properties
- Density: 2.70 g/cm³
- Melting Point: Approximately 660°C
- Coefficient of Thermal Expansion: 23.1 × 10^-6/K
- Electrical Conductivity: 52-55% IACS (International Annealed Copper Standard)
Mechanical Properties and Tempers of 6063 Aluminium Pipe
| Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
| O (Annealed) | 85 – 110 | 35 – 45 | 18 – 25 |
| T1 | 120 – 160 | 70 – 110 | 12 – 15 |
| T4 | 130 – 180 | 60 – 90 | 14 – 18 |
| T5 | 170 – 215 | 110 – 160 | 8 – 12 |
| T6 | 205 – 245 | 145 – 180 | 8 – 10 |
| T52 | 160 – 205 | 110 – 150 | 10 – 14 |
The 6063 aluminum square tube, with its excellent surface treatment properties, corrosion resistance, machinability, and aesthetic appeal, is widely used in the fields of architectural decoration and structural applications.
