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CR005A Copper vs. B390.0 Aluminum

CR005A copper belongs to the copper alloys classification, while B390.0 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (1, 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 B390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
76
Elongation at Break, % 15
0.88
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
29
Tensile Strength: Ultimate (UTS), MPa 230
320
Tensile Strength: Yield (Proof), MPa 140
250

Thermal Properties

Latent Heat of Fusion, J/g 210
640
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
580
Melting Onset (Solidus), °C 1040
580
Specific Heat Capacity, J/kg-K 390
880
Thermal Conductivity, W/m-K 380
130
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
27
Electrical Conductivity: Equal Weight (Specific), % IACS 100
88

Otherwise Unclassified Properties

Base Metal Price, % relative 31
11
Density, g/cm3 9.0
2.8
Embodied Carbon, kg CO2/kg material 2.6
7.3
Embodied Energy, MJ/kg 41
130
Embodied Water, L/kg 320
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 83
410
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 18
51
Strength to Weight: Axial, points 7.1
32
Strength to Weight: Bending, points 9.3
38
Thermal Diffusivity, mm2/s 110
55
Thermal Shock Resistance, points 8.1
15

Alloy Composition

Aluminum (Al), % 0
72.7 to 79.6
Copper (Cu), % 99.9 to 100
4.0 to 5.0
Iron (Fe), % 0
0 to 1.3
Magnesium (Mg), % 0
0.45 to 0.65
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.1
Oxygen (O), % 0 to 0.040
0
Silicon (Si), % 0
16 to 18
Silver (Ag), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 1.5
Residuals, % 0
0 to 0.2