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EN AC-45000 Aluminum vs. 7020 Aluminum

Both EN AC-45000 aluminum and 7020 aluminum are aluminum alloys. They have 89% of their average alloy composition in common. There are 30 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 EN AC-45000 aluminum and the bottom bar is 7020 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 77
45 to 100
Elastic (Young's, Tensile) Modulus, GPa 73
70
Elongation at Break, % 1.1
8.4 to 14
Fatigue Strength, MPa 75
110 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 180
190 to 390
Tensile Strength: Yield (Proof), MPa 110
120 to 310

Thermal Properties

Latent Heat of Fusion, J/g 470
380
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 520
610
Specific Heat Capacity, J/kg-K 870
880
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
39
Electrical Conductivity: Equal Weight (Specific), % IACS 81
120

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.0
2.9
Embodied Carbon, kg CO2/kg material 7.7
8.3
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1070
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7
23 to 46
Resilience: Unit (Modulus of Resilience), kJ/m3 80
110 to 690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
47
Strength to Weight: Axial, points 17
18 to 37
Strength to Weight: Bending, points 24
25 to 41
Thermal Diffusivity, mm2/s 47
59
Thermal Shock Resistance, points 8.0
8.3 to 17

Alloy Composition


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Aluminum (Al), % 82.2 to 91.8
91.2 to 94.8
Chromium (Cr), % 0 to 0.15
0.1 to 0.35
Copper (Cu), % 3.0 to 5.0
0 to 0.2
Iron (Fe), % 0 to 1.0
0 to 0.4
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0 to 0.55
1.0 to 1.4
Manganese (Mn), % 0.2 to 0.65
0.050 to 0.5
Nickel (Ni), % 0 to 0.45
0
Silicon (Si), % 5.0 to 7.0
0 to 0.35
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0 to 0.25
Zinc (Zn), % 0 to 2.0
4.0 to 5.0
Zirconium (Zr), % 0
0.080 to 0.25
Residuals, % 0 to 0.35
0 to 0.15