2091 aluminium alloy
![]() | This article relies largely or entirely on a single source. (January 2021) |
2091 Aluminium has Chromium, copper, iron, lithium, magnesium as minor alloying elements.[1]
Chemical Composition[]
Element [1] | Value |
---|---|
Aluminum | 91.9 - 95.4% |
Chromium | <= 0.10% |
Copper | 1.8 - 2.5% |
Iron | <= 0.30% |
Lithium | 1.7 - 2.3% |
Magnesium | 1.1 - 1.9% |
Manganese | <= 0.10% |
Other, each | <= 0.05% |
Other, total | <= 0.15% |
Silicon | <= 0.20% |
Titanium | <= 0.10% |
Zinc | <= 0.25% |
Zirconium | 0.04 - 0.16% |
2091 Aluminium alloy properties[]
Properties [1] | Value |
---|---|
Density | 2.58 g/cc |
Tensile Strength, Ultimate | 430 MPa |
Tensile Strength, Yield | 330 MPa |
Elongation at Break | 18 % |
Modulus of Elasticity | 75.0 GPa |
CTE, linear | 23.9 µm/m-°C
@Temperature 20.0 - 100 °C |
Specific Heat Capacity | 0.860 J/g-°C
at Temperature 100 °C |
Thermal Conductivity | 84.0 W/m-K |
Melting Point | 560 - 670 °C |
Solidus | 560 °C |
Liquidus | 670 °C |
Aluminium alloy table[]
References[]
- ^ a b c "2091 ALuminium alloy".
{{cite web}}
: CS1 maint: url-status (link)
Categories:
- Aluminium alloys
- Alloy stubs