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Aluminum 7075-T6

4.9 (33 Reviews) 109 orders

Material type: Metal, Aluminum Alloy, High-Strength, Heat-Treatable, Aircraft-Grade, Machinable, Non-Magnetic, Low-Weldability

A high-strength aircraft-grade aluminum alloy, offering exceptional tensile strength and fatigue resistance, with good machinability in tempered conditions.

Process compatibility

CNC Milling CNC Turning

Material Color

Silver white

Material advantages

1.Ultra-high mechanical strength and hardness, among the strongest aluminum alloys for heavy-duty applications.
2.Excellent fatigue resistance and performance under dynamic loads.
3.Good dimensional stability after machining, suitable for precision structural components.
4.Widely specified in aerospace, defense and high-performance engineering industries.

Material shortcomings

1.Poor weldability; welding is generally not recommended and can severely reduce local strength.
2.Higher material cost compared to 6061 and 5052.
3.Lower corrosion resistance than 6061, often requiring anodizing or coating for outdoor use.
4.More challenging to form than softer alloys, relying on machining rather than cold forming.

Recommended description

7075 is a premium high-strength aluminum designed for critical, load-bearing parts. Best used in aerospace components, tooling, high-stress brackets and precision machinery parts where strength and durability take priority over cost and weldability.

Properties

Name
Tensile strength	572 MPa
Yield strength	503 MPa
Shear strength	331 MPa
Fatigue strength	159 MPa
Modulus of elasticity	71.7GPa
Shear modulus	26.9 GPa
Linear thermal expansion coefficient	23.6μm/m·k
Density	2.82 g/cm3
Melting temperature	475-635 °C