7055 aluminium alloy

Aluminium zinc 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. ^ a b c d e "Aluminium / Aluminum 7055 Alloy (UNS A97055)". 9 May 2013.
  2. ^ a b c "Aluminum 7055-T77511 Extrusions".

External links

  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

  • v
  • t
  • e
Aluminium alloys
Introduction
  • Aluminium
  • Aluminium alloys
  • History of aluminium
Al 1000 series (pure)
  • 1050
  • 1060
  • 1070
  • 1100
  • 1145
  • 1199
  • 1200
  • 1230
  • 1350
  • 1370
  • 1420
  • 1421
  • 1424
  • 1430
  • 1440
  • 1441
  • 1445
  • 1450
  • 1460
  • 1461
  • 1464
  • 1469
Al-Cu 2000 series
Al-Mn 3000 series
Al-Si 4000 series
  • 4006
  • 4007
  • 4015
  • 4032
  • 4043
  • 4047
  • 4543
Al-Mg 5000 series
Al-Mg-Si 6000 series
Al-Zn 7000 series8000 series (misc.)
  • 8006
  • 8009
  • 8011
  • 8014
  • 8019
  • 8025
  • 8030
  • 8090
  • 8091
  • 8093
  • 8176
Named alloys