The Aluminum / aluminum 7049 alloy is a forging aluminum alloy. It has a high stress, corrosion, and cracking resistance[1] and high machinability. Alloy can be hot formed. It can not be weldable (in some cases, tungsten inert gas welding can applied).

Chemical Composition

No Element [1] Content (%)
1 Aluminium 88.7
2 Zinc 7.6
3 Magnesium 2.5
4 Copper 1.5
5 Chromium 0.15

Properties

No Properties [1] SI Unit
1 Density 2.6 to 2.8 g/cm3
2 Elastic modulus 70 to 80 GPa
3 Poisson's ratio 0.33
4 Thermal conductivity 154 W/mK
5 Tensile Strength, Ultimate [2] 517 MPa
6 Fatigue strength [3] 160 to 170 MPa
7 Specific Heat Capacity [3] 860 J/kg-K

Applications

  1. structural forgings, especially in the missile or aircraft industries.
  2. aircraft structural parts.[4]
  3. Forged aircraft and missile fittings [5]
  4. landing gear cylinders [5]
  5. extruded sections [5]
  6. Structural forgings
  7. Missile industries

Designation

Aluminium alloy EN AW 7049 has similarities to the following standard designations and specifications ;

  1. Alloy 7049
  2. UNS A97049
  3. ASTM B209
  4. DIN AlZn8MgCu

References

  1. 1 2 3 "7049 aluminum alloy". Archived from the original on 2020-09-20.
  2. ↑ "Aluminum 7049 properties".
  3. 1 2 "Alumum alloy 7049". Archived from the original on 2016-09-03.
  4. ↑ "7049 aluminum alloy". Archived from the original on 2019-08-31.
  5. 1 2 3 "Alloy 7049 applications" (PDF). Archived (PDF) from the original on 2019-02-15.
  1. 7049 Aluminum :: MakeItFrom.com
  2. eFunda: Properties of Aluminum Alloy AA 7049
  3. Aluminum 7049 | Alloys International, Inc.
  4. MatWeb - The Online Materials Information Resource
  7. AA Standards Grade 7049 T73 - 7000 Series - Matmatch
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