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C12900 Copper vs. 328.0 Aluminum

C12900 copper belongs to the copper alloys classification, while 328.0 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 328.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
72
Elongation at Break, % 2.8 to 50
1.6 to 2.1
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
27
Tensile Strength: Ultimate (UTS), MPa 220 to 420
200 to 270
Tensile Strength: Yield (Proof), MPa 75 to 380
120 to 170

Thermal Properties

Latent Heat of Fusion, J/g 210
510
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 1080
620
Melting Onset (Solidus), °C 1030
560
Specific Heat Capacity, J/kg-K 390
890
Thermal Conductivity, W/m-K 380
120
Thermal Expansion, µm/m-K 17
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
30
Electrical Conductivity: Equal Weight (Specific), % IACS 98
99

Otherwise Unclassified Properties

Base Metal Price, % relative 32
10
Density, g/cm3 9.0
2.7
Embodied Carbon, kg CO2/kg material 2.6
7.8
Embodied Energy, MJ/kg 41
140
Embodied Water, L/kg 330
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 88
2.8 to 5.0
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 640
92 to 200
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 18
51
Strength to Weight: Axial, points 6.8 to 13
21 to 28
Strength to Weight: Bending, points 9.1 to 14
28 to 34
Thermal Diffusivity, mm2/s 110
50
Thermal Shock Resistance, points 7.8 to 15
9.2 to 12

Alloy Composition

Aluminum (Al), % 0
84.5 to 91.1
Antimony (Sb), % 0 to 0.0030
0
Arsenic (As), % 0 to 0.012
0
Bismuth (Bi), % 0 to 0.0030
0
Chromium (Cr), % 0
0 to 0.35
Copper (Cu), % 99.88 to 100
1.0 to 2.0
Iron (Fe), % 0
0 to 1.0
Lead (Pb), % 0 to 0.0040
0
Magnesium (Mg), % 0
0.2 to 0.6
Manganese (Mn), % 0
0.2 to 0.6
Nickel (Ni), % 0 to 0.050
0 to 0.25
Silicon (Si), % 0
7.5 to 8.5
Silver (Ag), % 0 to 0.054
0
Tellurium (Te), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 1.5
Residuals, % 0
0 to 0.5