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6262A Aluminum vs. CC140C Copper

6262A aluminum belongs to the aluminum alloys classification, while CC140C copper belongs to the copper alloys. There are 28 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 6262A aluminum and the bottom bar is CC140C copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
120
Elongation at Break, % 4.5 to 11
11
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
44
Tensile Strength: Ultimate (UTS), MPa 310 to 410
340
Tensile Strength: Yield (Proof), MPa 270 to 370
230

Thermal Properties

Latent Heat of Fusion, J/g 400
210
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 640
1100
Melting Onset (Solidus), °C 580
1040
Specific Heat Capacity, J/kg-K 890
390
Thermal Conductivity, W/m-K 170
310
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
77
Electrical Conductivity: Equal Weight (Specific), % IACS 140
78

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 2.8
8.9
Embodied Carbon, kg CO2/kg material 8.4
2.6
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1190
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 34
34
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 1000
220
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 49
18
Strength to Weight: Axial, points 31 to 41
10
Strength to Weight: Bending, points 36 to 44
12
Thermal Diffusivity, mm2/s 67
89
Thermal Shock Resistance, points 14 to 18
12

Alloy Composition

Aluminum (Al), % 94.2 to 97.8
0
Bismuth (Bi), % 0.4 to 0.9
0
Chromium (Cr), % 0.040 to 0.14
0.4 to 1.2
Copper (Cu), % 0.15 to 0.4
98.8 to 99.6
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0
Silicon (Si), % 0.4 to 0.8
0
Tin (Sn), % 0.4 to 1.0
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0