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C12900 Copper vs. 1080A Aluminum

C12900 copper belongs to the copper alloys classification, while 1080A 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 C12900 copper and the bottom bar is 1080A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
68
Elongation at Break, % 2.8 to 50
2.3 to 34
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
26
Shear Strength, MPa 150 to 210
49 to 81
Tensile Strength: Ultimate (UTS), MPa 220 to 420
74 to 140
Tensile Strength: Yield (Proof), MPa 75 to 380
17 to 120

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 1030
640
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 380
230
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
62
Electrical Conductivity: Equal Weight (Specific), % IACS 98
200

Otherwise Unclassified Properties

Base Metal Price, % relative 32
9.5
Density, g/cm3 9.0
2.7
Embodied Carbon, kg CO2/kg material 2.6
8.3
Embodied Energy, MJ/kg 41
160
Embodied Water, L/kg 330
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 88
3.1 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 640
2.1 to 100
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
50
Strength to Weight: Axial, points 6.8 to 13
7.6 to 15
Strength to Weight: Bending, points 9.1 to 14
14 to 22
Thermal Diffusivity, mm2/s 110
94
Thermal Shock Resistance, points 7.8 to 15
3.3 to 6.4

Alloy Composition

Aluminum (Al), % 0
99.8 to 100
Antimony (Sb), % 0 to 0.0030
0
Arsenic (As), % 0 to 0.012
0
Bismuth (Bi), % 0 to 0.0030
0
Copper (Cu), % 99.88 to 100
0 to 0.030
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0 to 0.0040
0
Magnesium (Mg), % 0
0 to 0.020
Manganese (Mn), % 0
0 to 0.020
Nickel (Ni), % 0 to 0.050
0
Silicon (Si), % 0
0 to 0.15
Silver (Ag), % 0 to 0.054
0
Tellurium (Te), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
0 to 0.060