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CR005A Copper vs. 242.0 Aluminum

CR005A copper belongs to the copper alloys classification, while 242.0 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 CR005A copper and the bottom bar is 242.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
73
Elongation at Break, % 15
0.5 to 1.5
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
27
Tensile Strength: Ultimate (UTS), MPa 230
180 to 290
Tensile Strength: Yield (Proof), MPa 140
120 to 220

Thermal Properties

Latent Heat of Fusion, J/g 210
390
Maximum Temperature: Mechanical, °C 200
210
Melting Completion (Liquidus), °C 1090
640
Melting Onset (Solidus), °C 1040
530
Specific Heat Capacity, J/kg-K 390
870
Thermal Conductivity, W/m-K 380
130 to 170
Thermal Expansion, µm/m-K 17
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
33 to 44
Electrical Conductivity: Equal Weight (Specific), % IACS 100
96 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 9.0
3.1
Embodied Carbon, kg CO2/kg material 2.6
8.3
Embodied Energy, MJ/kg 41
150
Embodied Water, L/kg 320
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
1.3 to 3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 83
110 to 340
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
45
Strength to Weight: Axial, points 7.1
16 to 26
Strength to Weight: Bending, points 9.3
23 to 32
Thermal Diffusivity, mm2/s 110
50 to 62
Thermal Shock Resistance, points 8.1
8.0 to 13

Alloy Composition

Aluminum (Al), % 0
88.4 to 93.6
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 99.9 to 100
3.5 to 4.5
Iron (Fe), % 0
0 to 1.0
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 0
0 to 0.35
Nickel (Ni), % 0
1.7 to 2.3
Oxygen (O), % 0 to 0.040
0
Silicon (Si), % 0
0 to 0.7
Silver (Ag), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15