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7050
AMS 4342 / AlZn6CuMgZr / 7050 / T74511
Chemical Properties | % Value |
Silicon (Si) | 0,00 - 0,12 |
Chromium (Cr) | 0,00 - 0,05 |
Manganese (Mn) | 0,00 - 0,10 |
Magnesium (Mg) | 2,10 - 2,60 |
Copper (Cu) | 1,50 - 2,00 |
Titanium (Ti) | 0,00 - 0,06 |
Iron (Fe) | 0,00 - 0,15 |
Zinc (Zn) | 5,70 - 6,70 |
Aluminium (Al) | Balance |
Physical Properties | Value |
Density | 2,83 g/cm³ |
Melting Point | 488 °C |
Thermal Expansion | 23.7 µm/m.°C |
Modulus of Elasticity | 71 GPa |
Thermal Conductivity | 150 W/m.K |
Electrical Resistivity | 35% IACS |
Mechanical Properties | Value |
Proof Strength | 469 MPa |
Yield Strength | 524 MPa |
Shear Strength | 303 MPa |
Elongation A50 mm | 11% |
Hardness | 140 HB |
The 7050 T74511 aluminum alloy is known for its high strength, excellent corrosion resistance, and good machinability. The T74511 temper is achieved by applying advanced heat treatment to the 7050 alloy, which provides high durability and hardness. These properties make 7050 T74511 ideal for high-performance applications, particularly in industries such as aerospace, defense, and other demanding sectors. Additionally, 7050 T74511 is suitable for anodizing, which enhances its surface appearance and increases its corrosion resistance, making it ideal for long-lasting performance in harsh environments, such as outdoor and maritime applications.
The weldability of 7050 T74511 is good when proper welding techniques are applied. However, due to its high strength and hardness, welding requires more attention, and proper welding methods must be used. In terms of bending, 7050 T74511 is harder compared to more flexible alloys, making the bending process more challenging. However, with the right machinery and techniques, it can still be shaped, but care must be taken during the process.
In terms of corrosion resistance, 7050 T74511 performs exceptionally well, especially in harsh environments like seawater, making it ideal for maritime, outdoor structures, and other corrosion-prone applications. Additionally, this alloy can be used in high-vibration environments, making it advantageous for industries such as aerospace, automotive, and defense. Its high durability and long-lasting performance enhance the reliability of 7050 T74511 in these demanding applications.
The advantages of 7050 T74511 aluminum alloy include high mechanical strength, corrosion resistance, anodizing compatibility, weldability, and suitability for high-vibration environments. However, its high hardness and strength can create challenges during welding and bending processes. Additionally, this alloy may not be as easy to machine as more flexible alloys. Despite these challenges, 7050 T74511 is an excellent choice for industrial applications requiring high performance and durability.
Choosing Factors for 7050 T74511
- Strength: Perfect
- Machining: Okay
- Weldability: Weak
- Formability: Moderate
- Corrosion Resistance: Excellent
- Heat Treating: Yes
Some Well-Known Applications for 7050 T74511
Floor beams of aircrafts,
Wing trailing edge components of aircrafts,
It is also used in wing leading edge components of aircrafts.
- Rod / Round Bar / Flat Bar
- Tube/Profile