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7050 aluminium alloy

From Wikipedia, the free encyclopedia

Aluminium 7050 alloy is a heat treatable alloy. It has high toughness, high strength. It has high stress corrosion cracking resistance. [1] It has electric conductivity of value having 40 percent of copper.[2] 7050 aluminium is known as a commercial aerospace alloy.[3]

Chemical Composition

Element[1] Content (%)
Aluminum, Al 89
Copper, Cu 2.3
Magnesium, Mg 2.3
Zinc, Zn 6.2
Zirconium, Zr 0.12

Physical Properties

Properties[1] Metric
Density 2.6-2.8 g/cm3
Melting point 494°C
Tensile strength 515 MPa
Yield strength 455 MPa
Fatigue strength 240 MPa
Elastic modulus 70-80 GPa
Poisson's ratio 0.33
Elongation 11%
Thermal conductivity 180 W/mK

Designations

It can be written as:[1]

  1. AMS 4108
  2. AMS 4201
  3. ASTM B247
  4. ASTM B316
  5. QQ A-430

Welding

Welding should be avoided, because it weakens aluminum alloy. [2]

Applications

  1. Aircraft and other structures[1]
  2. Fuselage frames[2]
  3. Bulkheads[2]
  4. Wing skins[3]
  5. Military aircraft applications[3]


References

  1. ^ a b c d e "Aluminum 7050 alloy properties". 31 August 2012. Archived from the original on 2020-09-18.
  2. ^ a b c d "Aluminum 7050". Archived from the original on 2016-03-28.
  3. ^ a b c "7050 aluminum" (PDF). Archived (PDF) from the original on 2021-01-07.

Further reading

External links

  1. For more properties, visit: http://asm.matweb.com/search/SpecificMaterial.asp?bassnum=MA7050T765
  2. Aluminum 7050 properties for different thickness https://www.aircraftmaterials.com/data/aluminium/7050.html

Aluminum alloy table

This page was last edited on 9 May 2024, at 18:51
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