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C99300 Copper vs. 3105 Aluminum

C99300 copper belongs to the copper alloys classification, while 3105 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 3105 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
29 to 67
Elastic (Young's, Tensile) Modulus, GPa 120
69
Elongation at Break, % 2.0
1.1 to 20
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 46
26
Tensile Strength: Ultimate (UTS), MPa 660
120 to 240
Tensile Strength: Yield (Proof), MPa 380
46 to 220

Thermal Properties

Latent Heat of Fusion, J/g 240
400
Maximum Temperature: Mechanical, °C 250
180
Melting Completion (Liquidus), °C 1080
660
Melting Onset (Solidus), °C 1070
640
Specific Heat Capacity, J/kg-K 450
900
Thermal Conductivity, W/m-K 43
170
Thermal Expansion, µm/m-K 17
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
44
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
140

Otherwise Unclassified Properties

Base Metal Price, % relative 35
9.5
Density, g/cm3 8.2
2.8
Embodied Carbon, kg CO2/kg material 4.5
8.2
Embodied Energy, MJ/kg 70
150
Embodied Water, L/kg 400
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
2.6 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 590
15 to 340
Stiffness to Weight: Axial, points 8.3
14
Stiffness to Weight: Bending, points 20
50
Strength to Weight: Axial, points 22
12 to 24
Strength to Weight: Bending, points 20
20 to 31
Thermal Diffusivity, mm2/s 12
68
Thermal Shock Resistance, points 22
5.2 to 11

Alloy Composition

Aluminum (Al), % 10.7 to 11.5
96 to 99.5
Chromium (Cr), % 0
0 to 0.2
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 0.7
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0
0.2 to 0.8
Manganese (Mn), % 0
0.3 to 0.8
Nickel (Ni), % 13.5 to 16.5
0
Silicon (Si), % 0 to 0.020
0 to 0.6
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.4
Residuals, % 0
0 to 0.15