Aluminum Zees – Series 7075

Aluminum Zees – Series 7075 are high-strength, corrosion-resistant zees used for aerospace, defense, and high-performance applications, such as aircraft structures, missile components, and high-stress machine parts. They offer excellent formability, weldability, and machinability.

Application: Aerospace, defense, and high-performance applications.

Standards: ASTM B221, ASME SB221

Common Sizes:

– Thickness: 0.125-1.5 inches (3.2-38.1 mm)
– Width: 1-12 inches (25.4-304.8 mm)
– Length: 6-24 feet (1.83-7.32 meters)

Mechanical Properties:

– Tensile Strength: 83,000 psi (570 MPa)
– Yield Strength: 73,000 psi (500 MPa)
– Elongation at Break: 10%

Chemical Composition:

– Aluminum (Al): 87.1% min
– Zinc (Zn): 5.1-6.1%
– Magnesium (Mg): 2.1-2.9%
– Copper (Cu): 1.2-1.9%
– Chromium (Cr): 0.18-0.28%
– Manganese (Mn): 0.3% max
– Silicon (Si): 0.4% max
– Iron (Fe): 0.5% max
– Titanium (Ti): 0.2% max
– Other: 0.2% max