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5005 Aluminum vs. CR021A Copper

5005 aluminum belongs to the aluminum alloys classification, while CR021A copper belongs to the copper alloys. There are 28 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 5005 aluminum and the bottom bar is CR021A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
120
Elongation at Break, % 1.1 to 23
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Tensile Strength: Ultimate (UTS), MPa 110 to 230
230
Tensile Strength: Yield (Proof), MPa 41 to 210
140

Thermal Properties

Latent Heat of Fusion, J/g 400
210
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 650
1090
Melting Onset (Solidus), °C 630
1040
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 200
380
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 52
98
Electrical Conductivity: Equal Weight (Specific), % IACS 170
99

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 2.7
9.0
Embodied Carbon, kg CO2/kg material 8.3
2.6
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1190
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3 to 22
31
Resilience: Unit (Modulus of Resilience), kJ/m3 12 to 320
83
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 11 to 23
7.1
Strength to Weight: Bending, points 19 to 31
9.3
Thermal Diffusivity, mm2/s 82
110
Thermal Shock Resistance, points 4.9 to 10
8.1

Alloy Composition

Aluminum (Al), % 97 to 99.5
0
Bismuth (Bi), % 0
0 to 0.00050
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.2
99.95 to 99.998
Iron (Fe), % 0 to 0.7
0
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0.5 to 1.1
0
Manganese (Mn), % 0 to 0.2
0
Phosphorus (P), % 0
0.0020 to 0.0070
Silicon (Si), % 0 to 0.3
0
Silver (Ag), % 0
0 to 0.015
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0