2091 aluminium alloy
Aluminium copper alloy
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% |
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
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Aluminium alloys
- Aluminium
- Aluminium alloys
- History of aluminium
- 1050
- 1060
- 1070
- 1100
- 1145
- 1199
- 1200
- 1230
- 1350
- 1370
- 1420
- 1421
- 1424
- 1430
- 1440
- 1441
- 1445
- 1450
- 1460
- 1461
- 1464
- 1469
- 4006
- 4007
- 4015
- 4032
- 4043
- 4047
- 4543
- Aluminium–lithium alloys
- AlBeMet
- Alclad
- Alnico
- AlSiC
- Alumel
- Aluminium granules
- Alusil
- Birmabright
- Devarda's alloy
- Duralumin
- Hiduminium (aka R.R. alloys)
- Hydronalium
- Italma
- Lo-Ex
- Magnalium
- Magnox (alloy)
- MKM steel
- Nickel aluminide
- Aluminium–scandium alloys
- Y alloy
- Al-Ca composite
- Hypereutectic piston
- Aluminium bronze
- AlSi10Mg
References
- ^ a b c "2091 ALuminium alloy". Archived from the original on 2021-01-22.
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