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7075 Aluminum vs. EN AC-45500 Aluminum

Both 7075 aluminum and EN AC-45500 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 7075 aluminum and the bottom bar is EN AC-45500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 1.8 to 12
2.8
Fatigue Strength, MPa 110 to 190
80
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 240 to 590
320
Tensile Strength: Yield (Proof), MPa 120 to 510
250

Thermal Properties

Latent Heat of Fusion, J/g 380
500
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 640
610
Melting Onset (Solidus), °C 480
600
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
33
Electrical Conductivity: Equal Weight (Specific), % IACS 98
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 3.0
2.6
Embodied Carbon, kg CO2/kg material 8.3
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1120
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8 to 44
8.2
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 1870
430
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 46
53
Strength to Weight: Axial, points 22 to 54
34
Strength to Weight: Bending, points 28 to 52
40
Thermal Diffusivity, mm2/s 50
65
Thermal Shock Resistance, points 10 to 25
15

Alloy Composition

Aluminum (Al), % 86.9 to 91.4
90.6 to 93.1
Chromium (Cr), % 0.18 to 0.28
0
Copper (Cu), % 1.2 to 2.0
0.2 to 0.7
Iron (Fe), % 0 to 0.5
0 to 0.25
Magnesium (Mg), % 2.1 to 2.9
0.2 to 0.45
Manganese (Mn), % 0 to 0.3
0 to 0.15
Silicon (Si), % 0 to 0.4
6.5 to 7.5
Titanium (Ti), % 0 to 0.2
0 to 0.2
Zinc (Zn), % 5.1 to 6.1
0 to 0.070
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.1