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
- structural forgings, especially in the missile or aircraft industries.
- aircraft structural parts.[4]
- Forged aircraft and missile fittings [5]
- landing gear cylinders [5]
- extruded sections [5]
- Structural forgings
- Missile industries
Designation
Aluminium alloy EN AW 7049 has similarities to the following standard designations and specifications ;
- Alloy 7049
- UNS A97049
- ASTM B209
- DIN AlZn8MgCu
References
- ^ a b c "7049 aluminum alloy". 31 August 2012. Archived from the original on 2020-09-20.
- ^ "Aluminum 7049 properties".
- ^ a b "Alumum alloy 7049". Archived from the original on 2016-09-03.
- ^ "7049 aluminum alloy". Archived from the original on 2019-08-31.
- ^ a b c "Alloy 7049 applications" (PDF). Archived (PDF) from the original on 2019-02-15.
External links
- 7049 Aluminum :: MakeItFrom.com
- eFunda: Properties of Aluminum Alloy AA 7049
- Aluminum 7049 | Alloys International, Inc.
- MatWeb - The Online Materials Information Resource
- [1][dead link]
- [2]
- AA Standards Grade 7049 T73 - 7000 Series - Matmatch
This page was last edited on 27 April 2024, at 16:31