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C18100 Copper vs. 295.0 Aluminum

C18100 copper belongs to the copper alloys classification, while 295.0 aluminum belongs to the aluminum alloys. There are 29 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 C18100 copper and the bottom bar is 295.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
71
Elongation at Break, % 8.3
2.0 to 7.2
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 47
27
Shear Strength, MPa 300
180 to 230
Tensile Strength: Ultimate (UTS), MPa 510
230 to 280
Tensile Strength: Yield (Proof), MPa 460
100 to 220

Thermal Properties

Latent Heat of Fusion, J/g 210
400
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1080
640
Melting Onset (Solidus), °C 1020
530
Specific Heat Capacity, J/kg-K 390
880
Thermal Conductivity, W/m-K 320
140
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
35
Electrical Conductivity: Equal Weight (Specific), % IACS 81
100

Otherwise Unclassified Properties

Base Metal Price, % relative 31
10
Density, g/cm3 8.9
3.0
Embodied Carbon, kg CO2/kg material 2.7
7.9
Embodied Energy, MJ/kg 43
150
Embodied Water, L/kg 310
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
5.2 to 13
Resilience: Unit (Modulus of Resilience), kJ/m3 900
77 to 340
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
46
Strength to Weight: Axial, points 16
21 to 26
Strength to Weight: Bending, points 16
27 to 32
Thermal Diffusivity, mm2/s 94
54
Thermal Shock Resistance, points 18
9.8 to 12

Alloy Composition

Aluminum (Al), % 0
91.4 to 95.3
Chromium (Cr), % 0.4 to 1.2
0
Copper (Cu), % 98.7 to 99.49
4.0 to 5.0
Iron (Fe), % 0
0 to 1.0
Magnesium (Mg), % 0.030 to 0.060
0 to 0.030
Manganese (Mn), % 0
0 to 0.35
Silicon (Si), % 0
0.7 to 1.5
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.35
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0
0 to 0.15