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8079 Aluminum vs. EN AC-21100 Aluminum

Both 8079 aluminum and EN AC-21100 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 8079 aluminum and the bottom bar is EN AC-21100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
71
Elongation at Break, % 2.2
6.2 to 7.3
Fatigue Strength, MPa 56
79 to 87
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 150
340 to 350
Tensile Strength: Yield (Proof), MPa 120
210 to 240

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 650
670
Melting Onset (Solidus), °C 640
550
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 230
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 58
34
Electrical Conductivity: Equal Weight (Specific), % IACS 190
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
11
Density, g/cm3 2.8
3.0
Embodied Carbon, kg CO2/kg material 8.2
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1
19 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 110
300 to 400
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 15
31 to 33
Strength to Weight: Bending, points 22
36 to 37
Thermal Diffusivity, mm2/s 92
48
Thermal Shock Resistance, points 6.4
15

Alloy Composition

Aluminum (Al), % 98.1 to 99.3
93.4 to 95.7
Copper (Cu), % 0 to 0.050
4.2 to 5.2
Iron (Fe), % 0.7 to 1.3
0 to 0.19
Manganese (Mn), % 0
0 to 0.55
Silicon (Si), % 0.050 to 0.3
0 to 0.18
Titanium (Ti), % 0
0.15 to 0.3
Zinc (Zn), % 0 to 0.1
0 to 0.070
Residuals, % 0
0 to 0.1