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242.0 Aluminum vs. C12900 Copper

242.0 aluminum belongs to the aluminum alloys classification, while C12900 copper belongs to the copper alloys. There are 29 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 242.0 aluminum and the bottom bar is C12900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
120
Elongation at Break, % 0.5 to 1.5
2.8 to 50
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
43
Shear Strength, MPa 150 to 240
150 to 210
Tensile Strength: Ultimate (UTS), MPa 180 to 290
220 to 420
Tensile Strength: Yield (Proof), MPa 120 to 220
75 to 380

Thermal Properties

Latent Heat of Fusion, J/g 390
210
Maximum Temperature: Mechanical, °C 210
200
Melting Completion (Liquidus), °C 640
1080
Melting Onset (Solidus), °C 530
1030
Specific Heat Capacity, J/kg-K 870
390
Thermal Conductivity, W/m-K 130 to 170
380
Thermal Expansion, µm/m-K 22
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33 to 44
98
Electrical Conductivity: Equal Weight (Specific), % IACS 96 to 130
98

Otherwise Unclassified Properties

Base Metal Price, % relative 12
32
Density, g/cm3 3.1
9.0
Embodied Carbon, kg CO2/kg material 8.3
2.6
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1130
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.3 to 3.4
11 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 340
24 to 640
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 45
18
Strength to Weight: Axial, points 16 to 26
6.8 to 13
Strength to Weight: Bending, points 23 to 32
9.1 to 14
Thermal Diffusivity, mm2/s 50 to 62
110
Thermal Shock Resistance, points 8.0 to 13
7.8 to 15

Alloy Composition

Aluminum (Al), % 88.4 to 93.6
0
Antimony (Sb), % 0
0 to 0.0030
Arsenic (As), % 0
0 to 0.012
Bismuth (Bi), % 0
0 to 0.0030
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 3.5 to 4.5
99.88 to 100
Iron (Fe), % 0 to 1.0
0
Lead (Pb), % 0
0 to 0.0040
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0 to 0.35
0
Nickel (Ni), % 1.7 to 2.3
0 to 0.050
Silicon (Si), % 0 to 0.7
0
Silver (Ag), % 0
0 to 0.054
Tellurium (Te), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0 to 0.15
0