Plates
Sheets
Rod/Round Bar/Flat Bar
Tube/Extrusions/Profile
7050
AMS 4050 / AlZn6CuMgZr / 7050 / T7451
Chemical Properties | % Value |
Silicon (Si) | 0,00 - 0,12 |
Chromium (Cr) | 0,00 - 0,04 |
Manganese (Mn) | 0,00 - 0,10 |
Magnesium (Mg) | 1,90 - 2,60 |
Copper (Cu) | 2,00 - 2,60 |
Titanium (Ti) | 0,08 - 0,21 |
Iron (Fe) | 0,00 - 0,15 |
Zinc (Zn) | 5,70 - 6,70 |
Aluminium (Al) | Balance |
Titanium + Zirconium (Ti+Zr) | 0,08 - 0,15 |
Physical Properties | Value |
Density | 2.83 g/cm³ |
Melting Point | 490 °C |
Thermal Expansion | 22.1 µm/m.°C |
Modulus of Elasticity | 71.7 GPa |
Thermal Conductivity | 157 W/m-K |
Electrical Resistivity | 35 % IACS |
Mechanical Properties | Value |
Proof Strength | 479 MPa |
Yield Strength | 540 MPa |
Shear Strength | 310 MPa |
Elongation A50 mm | 11% |
Hardness | 140 HB |
The 7050 T7451 aluminum alloy is known for its high strength, durability, and excellent corrosion resistance. As part of the aluminum-zinc alloy family, it is primarily used in aerospace, space, and military applications, particularly in high-performance structural components. The T7451 temper, achieved through specific heat treatments, provides the alloy with high durability and hardness while maintaining machinability. While it is suitable for anodizing, its high zinc content can present some challenges. In terms of weldability, it can be welded with proper techniques, but the high zinc content increases the risk of cracking during welding. The 7050 T7451 alloy performs well in bending and forming, though careful processing is required due to its high strength. It is also suitable for use in high-vibration environments, as its high durability and elastic modulus make it ideal for components such as engine parts and transport equipment. Its corrosion resistance makes it particularly suitable for maritime and other humid environments, but its drawbacks include welding challenges and limited performance under high temperatures.
ALLOY DESIGNATIONS
7050 T7451 has the following standard designations and specifications.
Plates per; 7050 T7451, EN 3982, AIR 9048.740, AMS 4050, WNR 3.4144, UNS A97050, ISO AlZn6CuMgZr
Extruded Round/Flat Bar and Wires and Tubes per; 7050 T7451, EN 3338, WNR 3.4144, UNS A97050, ISO AlZn6CuMgZr
Choosing Factors for 7050 T7451
- Strength: Very good
- Machining: Good
- Weldability: Poor
- Formability: Moderate
- Corrosion Resistance: Excellent
- Heat Treating: Yes
Some Well-Known Applications for 7050 T7451
It is used primarily in the aerospace industry,
Aircraft fuselage and wing parts,
It is also used in the nuclear industry.
SUPPLIED FORMS
7050 T7451 is produced/supplied in plate/sheet round/flat bar and tube/profile forms.
- Rod / Round Bar / Flat Bar
- Plate
- Sheet
- Tube/Profile
DELIVERY: