1. what is the ASTM grade of 6061 Aluminium Tube?
ASTM B221/B221M: This standard covers aluminum and aluminum-alloy extruded bars, rods, wire, profiles, and tubes. For 6061 aluminum tubes, the specific temper (e.g., T6, T651) will be specified according to the required mechanical properties and processing conditions.
2. What are the mechanical properties of 6061 Aluminium Tube?
Tensile Strength: ≥ 42,000 psi (290 MPa)
Yield Strength (0.2% offset): ≥ 35,000 psi (240 MPa)
Elongation at Break: ≥ 8% (in 2 inches)
Brinell Hardness: ~95 HB
Shear Strength: ~25,000 psi (170 MPa)
Modulus of Elasticity: 10,000 ksi (69 GPa)
3. What is the chemical composition of 6061 Aluminium Tube?
Silicon (Si): 0.4 - 0.8%
Iron (Fe): ≤ 0.7%
Copper (Cu): 0.15 - 0.4%
Manganese (Mn): ≤ 0.15%
Magnesium (Mg): 0.8 - 1.2%
Chromium (Cr): 0.04 - 0.35%
Zinc (Zn): ≤ 0.25%
Titanium (Ti): ≤ 0.15%
Aluminum (Al): Balance
4. What is the application of 6061 Aluminium Tube?
Aerospace: Aircraft structures, fittings, and components.
Automotive: Frames, roll cages, suspension components, and exhaust systems.
Marine: Boat structures, masts, and fittings due to good corrosion resistance in marine environments.
Construction: Building frames, handrails, and structural supports.
Industrial: Machinery parts, conveyors, and frames.
Recreational Equipment: Bicycle frames, camping gear, and sports equipment.
Robotics and Automation: Lightweight structural components.
5. What are the advantages of 6061 Aluminium Tube?
High Strength-to-Weight Ratio: Lighter than steel while maintaining good strength, making it ideal for weight-sensitive applications.
Excellent Corrosion Resistance: Naturally forms a protective oxide layer, resistant to atmospheric corrosion and many chemicals.
Good Weldability: Can be easily welded using various methods, including TIG and MIG welding.
Machinability: Machines well and can be easily fabricated into complex shapes.
Heat Treatable: Can be heat-treated to improve strength and hardness.
Versatility: Suitable for a wide range of applications across multiple industries.
Cost-Effective: Balances performance and cost, making it a popular choice for many applications.
