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5070 Aluminum vs. C82700 Copper

5070 aluminum belongs to the aluminum alloys classification, while C82700 copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 5070 aluminum and the bottom bar is C82700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
120
Elongation at Break, % 20
1.8
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
46
Tensile Strength: Ultimate (UTS), MPa 300
1200
Tensile Strength: Yield (Proof), MPa 140
1020

Thermal Properties

Latent Heat of Fusion, J/g 390
240
Maximum Temperature: Mechanical, °C 190
300
Melting Completion (Liquidus), °C 640
950
Melting Onset (Solidus), °C 550
860
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
20
Electrical Conductivity: Equal Weight (Specific), % IACS 100
21

Otherwise Unclassified Properties

Density, g/cm3 2.7
8.7
Embodied Carbon, kg CO2/kg material 8.8
12
Embodied Energy, MJ/kg 150
180
Embodied Water, L/kg 1170
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
21
Resilience: Unit (Modulus of Resilience), kJ/m3 150
4260
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 31
38
Strength to Weight: Bending, points 37
29
Thermal Diffusivity, mm2/s 53
39
Thermal Shock Resistance, points 14
41

Alloy Composition


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Aluminum (Al), % 92.4 to 95.7
0 to 0.15
Beryllium (Be), % 0
2.4 to 2.6
Chromium (Cr), % 0 to 0.3
0 to 0.090
Copper (Cu), % 0 to 0.25
94.6 to 96.7
Iron (Fe), % 0 to 0.4
0 to 0.25
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 3.5 to 4.5
0
Manganese (Mn), % 0.4 to 0.8
0
Nickel (Ni), % 0
1.0 to 1.5
Silicon (Si), % 0 to 0.25
0 to 0.15
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0.4 to 0.8
0 to 0.1
Residuals, % 0 to 0.15
0 to 0.5