7055 aluminium alloy

7055 alloy is heat treatable wrought aluminum alloy.[1] It has high ultimate tensile strength value of 593 MPa.

Chemical Composition
Element[1] Content (%)
Aluminum 85.9 - 88.5
Zinc 7.6 - 8.4
Magnesium 1.8 - 2.3
Copper 2 - 2.6
Iron ≤ 0.15
Zirconium 0.080 - 0.25
Manganese ≤ 0.050
Chromium ≤ 0.040
Silicon ≤ 0.10
Titanium ≤ 0.060
Other (each) ≤ 0.050
Other (total) ≤ 0.15

Properties
Properties SI Unit
Density[1] 2.86 g/cm³
Ultimate Tensile Strength[2] 593 MPa
Elongation at Break[2] 9.0% to 12.0%
Fracture Toughness[2] 24.2 MPa-m½

Applications
  1. Aerospace sector[1]
  2. High strength requirement areas[1]

References
  1. "Aluminium / Aluminum 7055 Alloy (UNS A97055)".
  2. "Aluminum 7055-T77511 Extrusions".
  1. Single-aging characteristics of 7055 aluminum alloy
  2. 7055: High-Strength Plate and Extrusion Alloy
  3. Microstructure characterization of 7055-T6, 6061-T6511 and 7A52-T6 Al alloys subjected to ballistic impact against heavy tungsten alloy projectile
  4. Grain size prediction and investigation of 7055 aluminum alloy inoculated by Al–5Ti–1B master alloy,Journal of Alloys and Compounds - X-MOL
  5. ShieldSquare Captcha

Aluminum alloy table
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