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1070 Aluminum vs. 5082 Aluminum

Both 1070 aluminum and 5082 aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common.

For each property being compared, the top bar is 1070 aluminum and the bottom bar is 5082 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
67
Elongation at Break, % 4.5 to 39
1.1
Fatigue Strength, MPa 22 to 49
110 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
25
Shear Strength, MPa 48 to 79
210 to 230
Tensile Strength: Ultimate (UTS), MPa 73 to 140
380 to 400
Tensile Strength: Yield (Proof), MPa 17 to 120
300 to 340

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 640
560
Specific Heat Capacity, J/kg-K 900
910
Thermal Conductivity, W/m-K 230
130
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
32
Electrical Conductivity: Equal Weight (Specific), % IACS 200
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.9
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1200
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 21
4.0 to 4.3
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 110
670 to 870
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
51
Strength to Weight: Axial, points 7.5 to 14
39 to 41
Strength to Weight: Bending, points 14 to 22
43 to 45
Thermal Diffusivity, mm2/s 94
54
Thermal Shock Resistance, points 3.3 to 6.1
17 to 18

Alloy Composition

Aluminum (Al), % 99.7 to 100
93.5 to 96
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0 to 0.040
0 to 0.15
Iron (Fe), % 0 to 0.25
0 to 0.35
Magnesium (Mg), % 0 to 0.030
4.0 to 5.0
Manganese (Mn), % 0 to 0.030
0 to 0.15
Silicon (Si), % 0 to 0.2
0 to 0.2
Titanium (Ti), % 0 to 0.030
0 to 0.1
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.040
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants