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5182 Aluminum vs. 7020 Aluminum

Both 5182 aluminum and 7020 aluminum are aluminum alloys. They have a very high 95% 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 5182 aluminum and the bottom bar is 7020 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 1.1 to 12
8.4 to 14
Fatigue Strength, MPa 100 to 130
110 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
26
Shear Strength, MPa 170 to 240
110 to 230
Tensile Strength: Ultimate (UTS), MPa 280 to 420
190 to 390
Tensile Strength: Yield (Proof), MPa 130 to 360
120 to 310

Thermal Properties

Latent Heat of Fusion, J/g 390
380
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 590
610
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
39
Electrical Conductivity: Equal Weight (Specific), % IACS 94
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.9
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 49
23 to 46
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 950
110 to 690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
47
Strength to Weight: Axial, points 29 to 44
18 to 37
Strength to Weight: Bending, points 36 to 47
25 to 41
Thermal Diffusivity, mm2/s 53
59
Thermal Shock Resistance, points 12 to 19
8.3 to 17

Alloy Composition

Aluminum (Al), % 93.2 to 95.8
91.2 to 94.8
Chromium (Cr), % 0 to 0.1
0.1 to 0.35
Copper (Cu), % 0 to 0.15
0 to 0.2
Iron (Fe), % 0 to 0.35
0 to 0.4
Magnesium (Mg), % 4.0 to 5.0
1.0 to 1.4
Manganese (Mn), % 0.2 to 0.5
0.050 to 0.5
Silicon (Si), % 0 to 0.2
0 to 0.35
Titanium (Ti), % 0 to 0.1
0 to 0.25
Zinc (Zn), % 0 to 0.25
4.0 to 5.0
Zirconium (Zr), % 0
0.080 to 0.25
Residuals, % 0 to 0.15
0 to 0.15

Comparable Variants