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From Aircraft Parts to Sporting Equipment: Discover the Diverse Uses of 7075 Aluminum

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7075 aluminum

7075 Aluminum: The High-Strength Choice

7075 aluminum is renowned for its exceptional strength, thanks to its zinc, magnesium, and copper-rich composition. Widely used in aerospace and military applications, it excels in demanding environments. Its superior strength-to-weight ratio makes it a top choice for lightweight yet resilient structures, from aircraft components to high-performance sports equipment.

Mechanical Composition

7075 aluminum is primarily composed of alloying elements that enhance its strength and suitability for aerospace and military applications.

ElementPercentage Composition
Aluminum (Al)Approximately 90.7%
Zinc (Zn)Approximately 5.6%
Magnesium (Mg)Approximately 2.1%
Copper (Cu)Approximately 1.2%
Other trace elementsIn small amounts
7075 aluminium chemical composition

Properties

7075 aluminium is well-known for its excellent mechanical properties, making it a highly sought-after material for applications where strength, toughness, and durability are essential. Here are some key properties of 7075 aluminum:

PropertyValue/Description
Tensile Strength (T6)74,000-78,000 psi
Yield Strength (T6)63,000-69,000 psi
DensityApproximately 2.78 g/cm³
Corrosion ResistanceGood, may require additional coatings
ToughnessGood
MachinabilityMachinable but may require specialized tools
WeldabilityChallenging, requires specialized welding techniques
Fatigue ResistanceGood
Stress-Corrosion ResistanceExcellent
ApplicationsAerospace, military, sports equipment, automotive, high-stress applications
7075 aluminium properties

7075-t6 aluminium properties

7075-T6 aluminum is a specific temper of the 7075 aluminum alloy. The “T6” designation indicates that the aluminum has been solution heat-treated and artificially aged. This tempering process enhances the alloy’s mechanical properties. Here are the key properties of 7075-T6 aluminum:

PropertyValue/Description
Tensile Strength (T6)78,000 psi (538 MPa) – 83,000 psi (572 MPa)
Yield Strength (T6)73,000 psi (503 MPa) – 77,000 psi (530 MPa)
Elongation (T6)7% – 11%
DensityApproximately 2.78 g/cm³
Corrosion ResistanceGood, may require additional coatings
MachinabilityMachinable but may require specialized tools
WeldabilityChallenging, requires specialized welding techniques
Fatigue ResistanceGood
Stress-Corrosion ResistanceExcellent
ApplicationsAerospace, military, sports equipment, automotive, high-stress applications
7075-t6 properties

In conclusion, 7075 aluminium, particularly in its T6 temper, stands as a high-strength marvel in the world of materials. Furthermore, 7075 aluminium excels in demanding industries like aerospace, defense, and high-performance applications due to its exceptional strength. Despite machining and welding challenges, its unmatched strength-to-weight ratio is essential for structural integrity.

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