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7005 Aluminum vs. 8079 Aluminum

Both 7005 aluminum and 8079 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 7005 aluminum and the bottom bar is 8079 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 10 to 20
2.2
Fatigue Strength, MPa 100 to 190
56
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 200 to 400
150
Tensile Strength: Yield (Proof), MPa 95 to 350
120

Thermal Properties

Latent Heat of Fusion, J/g 380
400
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 610
640
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 140 to 170
230
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 43
58
Electrical Conductivity: Equal Weight (Specific), % IACS 110 to 130
190

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.0
Density, g/cm3 2.9
2.8
Embodied Carbon, kg CO2/kg material 8.3
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32 to 57
3.1
Resilience: Unit (Modulus of Resilience), kJ/m3 65 to 850
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 19 to 38
15
Strength to Weight: Bending, points 26 to 41
22
Thermal Diffusivity, mm2/s 54 to 65
92
Thermal Shock Resistance, points 8.7 to 18
6.4

Alloy Composition

Aluminum (Al), % 91 to 94.7
98.1 to 99.3
Chromium (Cr), % 0.060 to 0.2
0
Copper (Cu), % 0 to 0.1
0 to 0.050
Iron (Fe), % 0 to 0.4
0.7 to 1.3
Magnesium (Mg), % 1.0 to 1.8
0
Manganese (Mn), % 0.2 to 0.7
0
Silicon (Si), % 0 to 0.35
0.050 to 0.3
Titanium (Ti), % 0.010 to 0.060
0
Zinc (Zn), % 4.0 to 5.0
0 to 0.1
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0
0 to 0.15