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EN AC-45500 Aluminum vs. 7108 Aluminum

Both EN AC-45500 aluminum and 7108 aluminum are aluminum alloys. Both are furnished in the T6 temper. They have a moderately high 92% 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 EN AC-45500 aluminum and the bottom bar is 7108 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 2.8
11
Fatigue Strength, MPa 80
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 320
350
Tensile Strength: Yield (Proof), MPa 250
290

Thermal Properties

Latent Heat of Fusion, J/g 500
380
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 610
630
Melting Onset (Solidus), °C 600
530
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 22
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
39
Electrical Conductivity: Equal Weight (Specific), % IACS 110
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.6
2.9
Embodied Carbon, kg CO2/kg material 8.0
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1110
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.2
38
Resilience: Unit (Modulus of Resilience), kJ/m3 430
620
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
47
Strength to Weight: Axial, points 34
34
Strength to Weight: Bending, points 40
38
Thermal Diffusivity, mm2/s 65
59
Thermal Shock Resistance, points 15
16

Alloy Composition

Aluminum (Al), % 90.6 to 93.1
92.4 to 94.7
Copper (Cu), % 0.2 to 0.7
0 to 0.050
Iron (Fe), % 0 to 0.25
0 to 0.1
Magnesium (Mg), % 0.2 to 0.45
0.7 to 1.4
Manganese (Mn), % 0 to 0.15
0 to 0.050
Silicon (Si), % 6.5 to 7.5
0 to 0.1
Titanium (Ti), % 0 to 0.2
0 to 0.050
Zinc (Zn), % 0 to 0.070
4.5 to 5.5
Zirconium (Zr), % 0
0.12 to 0.25
Residuals, % 0
0 to 0.15