7129 aluminium alloy
Aluminium zinc alloy
Aluminium 7129 alloy is a heat treatable wrought alloy.[1]
Chemical composition
Element[1] | Weight Percentage (%) |
---|---|
Aluminum | 90.9 - 94 |
Zinc | 4.2 - 5.2 |
Magnesium | 1.3 - 2 |
Copper | 0.50 - 0.90 |
Iron | ≤ 0.30 |
Titanium | ≤ 0.050 |
Vanadium | ≤ 0.050 |
Gallium | ≤ 0.030 |
Silicon | ≤ 0.15 |
Chromium | ≤ 0.10 |
Manganese | ≤ 0.10 |
Remainder (each) | ≤ 0.050 |
Remainder (total) | ≤ 0.15 |
Properties
Properties | Metric |
---|---|
Density[1] | 2.78 g/cm3 |
Youngs modulus[2] | 69 GPa |
Elongation at Break[2] | 9.0 % to 9.1 % |
Fatigue Strength[2] | 150 to 190 MPa |
Shear Modulus[2] | 26 GPa |
Shear Strength[2] | 250 to 260 MPa |
Tensile Strength: Ultimate (UTS)[2] | 430 MPa |
Specific Heat Capacity[2] | 880 J/kg-K |
Thermal Conductivity[2] | 150 W/m-K |
Applications
- Aircraft manufacturing sector[1]
References
- ^ a b c d "7129 aluminum alloy". 9 May 2013. Archived from the original on 2020-12-02.
- ^ a b c d e f g h "7129 aluminum properties". Archived from the original on 2016-11-15.
External links
- Comparison of 6061 and 7129 alloy
- http://www.matweb.com/search/datasheet.aspx?matguid=d62fafde9ffe4ef68614c5e2ab5869e5
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