Aluminium 7075

Key Features
  • High tensile strength and ductility
  • Good fatigue resistance
  • Excellent for structural applications
  • Good corrosion resistance
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Key Features
  • High tensile strength and ductility
  • Good fatigue resistance
  • Excellent for structural applications
  • Good corrosion resistance

Overview

7075 aluminium alloy (AA7075) is an aluminium alloy, with zinc as the primary alloying element. It has excellent mechanical properties, and exhibits good ductility, high strength, toughness and good resistance to fatigue. It is one of the most commonly used aluminium alloy for highly stressed structural applications and has been extensively utilized in aircraft structural parts.

Chemical Composition

ElementSymbolRange %
AluminiumAlBalance
ZincZn5.1-6.1
MagnesiumMg2.1-2.9
CopperCu1.2-2.0
ChromiumCr0.18-0.28
ManganeseMn0.3 max
TitaniumTi0.2 max
SiliconSi0.40 max
IronFe0.50 max
Others0.15 max

Physical Properties

MaterialUnitAluminium 7075-T6
Tensile Strength MinN/mm2572
Yield Strength MinN/mm2503
Elongation at Break%11%
Hardness MinBHN150