SPACE 2009
Quality Policy
AS 9120
6351
EN AW / AlSi1Mg0.5Mn / 6351 / T6
| Chemical Properties | % Value |
| Silicon (Si) | 0,70 - 1,30 |
| Manganese (Mn) | 0,40 - 0,80 |
| Magnesium (Mg) | 0,40 - 0,80 |
| Copper (Cu) | 0,00 - 0,10 |
| Titanium (Ti) | 0,00 - 0,20 |
| Iron (Fe) | 0,00 - 0,50 |
| Zinc (Zn) | 0,00 - 0,20 |
| Aluminium (Al) | 96 - 98,5 |
| Physical Properties | Value |
| Density | 2.71 g/cm³ |
| Melting Point | 554 °C |
| Thermal Expansion | 23 µm/m-K |
| Modulus of Elasticity | 68.9 GPa |
| Thermal Conductivity | 176 W/m.K |
| Electrical Resistivity | 46 % IACS |
| Mechanical Properties | Value |
| Proof Strength | 283 MPa |
| Yield Strength | 310 MPa |
| Shear Strength | 200 MPa |
| Elongation A50 mm | 14 % |
| Hardness | 95 HB |
The 6351 T6 aluminum alloy is known for its high strength, excellent machinability, and good corrosion resistance. The T6 temper represents a heat-treated form of the alloy, which imparts increased hardness and durability. These properties make 6351 T6 aluminum ideal for use in automotive, aerospace, construction, transportation, and other high-performance industrial applications. Additionally, 6351 T6 aluminum is suitable for anodizing, which enhances its surface appearance while improving its corrosion resistance, making it perfect for long-term outdoor use.
In terms of weldability, 6351 T6 aluminum alloy can be welded, although its high strength requires careful attention during the welding process. With the appropriate heat treatment and welding techniques, strong and reliable welds can be achieved. Regarding bending, 6351 T6 aluminum is more difficult to bend due to its high hardness, but it can still be shaped with proper machinery and techniques, making it suitable for more robust structural applications.
The corrosion resistance of 6351 T6 is excellent, especially in atmospheric conditions, and it provides good resistance to corrosive environments such as seawater. This makes it ideal for use in maritime and outdoor structural applications. Additionally, 6351 T6 aluminum alloy can be used in high-vibration environments, making it advantageous in industries such as automotive, aerospace, and defense. Its high durability and long-lasting performance further enhance its reliability in these dynamic applications.
The advantages of 6351 T6 aluminum alloy include high mechanical strength, corrosion resistance, anodizing compatibility, suitability for high-vibration environments, and strong weldability. However, its high hardness requires careful handling during bending and welding processes. Additionally, this alloy may not be as easy to machine as more flexible alloys. Despite these limitations, 6351 T6 is an excellent choice for industrial applications requiring durability and high performance.
Extruded Round/Flat Bar and Tubes per; 6351 T6, ISO AlSi1Mg0.5Mn, UNS A96351, AFNOR A-SGM0.7
Choosing Factors for 6351 T6
- Strength: Moderate
- Machining: Okay
- Weldability: Very good
- Formability: Very good
- Corrosion Resistance: Excellent
- Heat Treating: Yes
Some Well-Known Applications for 6351 T6
In food processing machines,
As components of recreational vehicles,
It is also used in marine and defence industries.
- Rod / Round Bar / Flat Bar
- Tube/Profile
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