SPACE 2009
Quality Policy
AS 9120
Plates
Sheets
Rod/Round Bar/Flat Bar
Tube/Extrusions/Profile
6061
AMS 4053 / AlMg1SiCu / 6061 / T651
| Chemical Properties | % Value |
| Silicon (Si) | 0,40 - 0,80 |
| Chromium (Cr) | 0,04 - 0,35 |
| Manganese (Mn) | 0,30 - 0,90 |
| Magnesium (Mg) | 0,80 - 1,20 |
| Copper (Cu) | 0,15 - 0,40 |
| Titanium (Ti) | 0,00 - 0,15 |
| Iron (Fe) | 0,00 - 0,70 |
| Zinc (Zn) | 0,00 - 0,25 |
| Aluminium (Al) | Balance |
| Physical Properties | Value |
| Density | 2,70 g/cm³ |
| Melting Point | 582 °C |
| Thermal Expansion | 24 µm/m.K |
| Modulus of Elasticity | 69 GPa |
| Thermal Conductivity | 167 W/m.K |
| Electrical Resistivity | 43% IACS |
| Mechanical Properties | Value |
| Proof Strength | 276 MPa |
| Yield Strength | 320 MPa |
| Shear Strength | 210 MPa |
| Elongation A50 mm | 12% |
| Hardness | 93 HB |
The 6061 T651 aluminum alloy is known for its excellent machinability, high strength, and good corrosion resistance. Belonging to the aluminum-silicon-magnesium alloy class, it is widely used in industries such as automotive, aerospace, construction, and general industrial applications. The T651 temper involves a specific heat treatment process that provides the alloy with high strength and hardness while maintaining excellent machinability and formability. Its light weight and high strength-to-weight ratio make the 6061 T651 alloy ideal for demanding applications.
The 6061 T651 aluminum alloy is highly suitable for anodizing. The anodizing process forms a protective oxide layer on the alloy's surface, enhancing its corrosion resistance and providing an aesthetically pleasing finish. This makes it especially advantageous for outdoor and decorative applications. In terms of weldability, the 6061 T651 alloy performs well. As an aluminum-silicon-magnesium alloy, it can be welded using proper techniques to create strong and reliable welds.
In terms of bending and forming, the 6061 T651 aluminum alloy is highly machinable. Despite being cold-worked, it can be easily shaped and bent with the right processing techniques, making it ideal for producing complex shapes and parts in industries such as automotive and aerospace. Additionally, the 6061 T651 alloy is suitable for use in high-vibration environments. Its high durability and elastic modulus make it perfect for producing vibration-resistant components.
Regarding corrosion resistance, the 6061 T651 aluminum alloy is highly durable, particularly against moisture, seawater, and atmospheric conditions. This makes it an ideal material for use in harsh environments such as maritime applications. The advantages of the 6061 T651 alloy include excellent machinability, good weldability, corrosion resistance, and lightweight properties, while its disadvantages include limited performance under high temperatures and in certain high-strength applications.
As Cold Drawn Round/Flat Bar and Tube; 6061 T651, AMS 4117 (Superseded the AMS 4129), AMS QQ-A-225/8, UNS A96061, WNR 3.3211, ISO AlMg1SiCu, ASTM B211
As Plate/Sheet; 6061 T651, AMS QQ-A-250/11, AMS 4023F, EN 4213, UNS A96061, WNR 3.3211, AMS 4053, ISO AlMg1SiCu, ASTM B209
Choosing Factors for 6061 T651
- Strength: Average
- Machining: Fair
- Weldability: Excellent
- Formability: Good
- Corrosion Resistance: Excellent
- Heat Treating: Yes
Some Well-Known Applications for 6061 T651
Mainly in the transportation industry,
Furniture parts, parts requiring high pressure,
It is also used as aircraft parts.
- Rod / Round Bar / Flat Bar
- Plate
- Sheet
- Tube/Profile
| Mechanical Properties | |||
| Thickness (mm) | Proof Strength (Min.) | Yield Strength (Min.) | Elongation A50 mm % |
| Over 38.1 up to & incl. 50.8 | 393 MPa | 455 MPa | %5 |
| Over 50,8 up to & incl. 76,2 | 393 MPa | 448 MPa | %4 |
| Over 76,2 up to & incl. 101,6 | 386 MPa | 448 MPa | %4 |
| Over 101,6 up to & incl. 127 | 379 MPa | 441 MPa | %4 |
| Over 127 up to & incl. 152,4 | 372 MPa | 434 MPa | %4 |
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