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C99300 Copper vs. 242.0 Aluminum

C99300 copper belongs to the copper alloys classification, while 242.0 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 C99300 copper and the bottom bar is 242.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
70 to 110
Elastic (Young's, Tensile) Modulus, GPa 120
73
Elongation at Break, % 2.0
0.5 to 1.5
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 46
27
Tensile Strength: Ultimate (UTS), MPa 660
180 to 290
Tensile Strength: Yield (Proof), MPa 380
120 to 220

Thermal Properties

Latent Heat of Fusion, J/g 240
390
Maximum Temperature: Mechanical, °C 250
210
Melting Completion (Liquidus), °C 1080
640
Melting Onset (Solidus), °C 1070
530
Specific Heat Capacity, J/kg-K 450
870
Thermal Conductivity, W/m-K 43
130 to 170
Thermal Expansion, µm/m-K 17
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
33 to 44
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
96 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 35
12
Density, g/cm3 8.2
3.1
Embodied Carbon, kg CO2/kg material 4.5
8.3
Embodied Energy, MJ/kg 70
150
Embodied Water, L/kg 400
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
1.3 to 3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 590
110 to 340
Stiffness to Weight: Axial, points 8.3
13
Stiffness to Weight: Bending, points 20
45
Strength to Weight: Axial, points 22
16 to 26
Strength to Weight: Bending, points 20
23 to 32
Thermal Diffusivity, mm2/s 12
50 to 62
Thermal Shock Resistance, points 22
8.0 to 13

Alloy Composition

Aluminum (Al), % 10.7 to 11.5
88.4 to 93.6
Chromium (Cr), % 0
0 to 0.25
Cobalt (Co), % 1.0 to 2.0
0
Copper (Cu), % 68.6 to 74.4
3.5 to 4.5
Iron (Fe), % 0.4 to 1.0
0 to 1.0
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 0
0 to 0.35
Nickel (Ni), % 13.5 to 16.5
1.7 to 2.3
Silicon (Si), % 0 to 0.020
0 to 0.7
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15