7150 aluminium alloy

Aluminium 7150 alloy is a heat treatable wrought alloy. It is used in the aerospace industry for manufacturing aircraft components. Heat treatment can improve its anti-corrosion properties with a low corresponding decrease in strength.[1][2]

Chemical composition
Element[1] Content (%)
Aluminum 85.9 - 89.5
Zinc 7.2 - 8.2
Magnesium 2 - 2.9
Copper 1.2 - 1.9
Silicon ≤ 0.15
Titanium ≤ 0.10
Iron ≤ 0.20
Chromium 0.10 - 0.22
Manganese ≤ 0.20
Other (total) ≤ 0.15

Properties
Properties Value
Density[1] 2.84 g/cm³
Ultimate tensile strength[3] 607 MPa
Yield strength[3] 565 MPa
Elongation at break[3] 11%
Fracture toughness[3] 26.4 MPa-m½

Alternate designations

It has the following alternate designations:[4]

  • AA 7150
  • AMS 4252A
  • 4306A
  • 4307S
  • 4345A
  • UNS A97150

References
  1. "7150 aluminum alloy".
  2. "Aluminum alloy 7150 pdf" (PDF).
  3. "Aluminum 7150 properties".
  4. "Aluminum alloy 7150".
  1. Sun, Rui-ji; Sun, Qing-qing; Xie, Yue-huang; Dong, Peng-xuan; Chen, Qi-yuan; Chen, Kang-hua (1 May 2016). "Enhancing corrosion resistance of 7150 Al alloy using novel three-step aging process". Transactions of Nonferrous Metals Society of China. 26 (5): 1201–1210. doi:10.1016/S1003-6326(16)64192-4.
  2. http://www.icaa-conference.net/ICAA12/pdf/P046.pdf
  3. https://www.researchgate.net/publication/240427022_Hot_deformation_behavior_of_7150_aluminum_alloy_during_compression_at_elevated_temperature
  4. https://www.researchgate.net/publication/286794197_Mechanical_properties_and_exfoliation_behavior_of_7150-RRA_aluminum_alloy_retrogressed_at_175C
  5. https://inis.iaea.org/search/search.aspx?orig_q=RN:44025414

Aluminium alloy table
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