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C99300 Copper vs. 4047 Aluminum

C99300 copper belongs to the copper alloys classification, while 4047 aluminum belongs to the aluminum 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 C99300 copper and the bottom bar is 4047 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
72
Elongation at Break, % 2.0
3.4
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 46
27
Tensile Strength: Ultimate (UTS), MPa 660
120
Tensile Strength: Yield (Proof), MPa 380
64

Thermal Properties

Latent Heat of Fusion, J/g 240
570
Maximum Temperature: Mechanical, °C 250
160
Melting Completion (Liquidus), °C 1080
580
Melting Onset (Solidus), °C 1070
580
Specific Heat Capacity, J/kg-K 450
900
Thermal Conductivity, W/m-K 43
130
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
33
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
120

Otherwise Unclassified Properties

Base Metal Price, % relative 35
9.5
Density, g/cm3 8.2
2.5
Embodied Carbon, kg CO2/kg material 4.5
7.7
Embodied Energy, MJ/kg 70
140
Embodied Water, L/kg 400
1050

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
3.5
Resilience: Unit (Modulus of Resilience), kJ/m3 590
28
Stiffness to Weight: Axial, points 8.3
16
Stiffness to Weight: Bending, points 20
55
Strength to Weight: Axial, points 22
13
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 12
59
Thermal Shock Resistance, points 22
5.6

Alloy Composition

Aluminum (Al), % 10.7 to 11.5
85.3 to 89
Cobalt (Co), % 1.0 to 2.0
0
Copper (Cu), % 68.6 to 74.4
0 to 0.3
Iron (Fe), % 0.4 to 1.0
0 to 0.8
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 13.5 to 16.5
0
Silicon (Si), % 0 to 0.020
11 to 13
Tin (Sn), % 0 to 0.050
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15