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CR011A Copper vs. 712.0 Aluminum

CR011A copper belongs to the copper alloys classification, while 712.0 aluminum belongs to the aluminum alloys. There are 28 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 CR011A copper and the bottom bar is 712.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 15
4.5 to 4.7
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
27
Tensile Strength: Ultimate (UTS), MPa 220
250 to 260
Tensile Strength: Yield (Proof), MPa 130
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 210
380
Maximum Temperature: Mechanical, °C 200
190
Melting Completion (Liquidus), °C 1090
640
Melting Onset (Solidus), °C 1040
610
Specific Heat Capacity, J/kg-K 390
870
Thermal Conductivity, W/m-K 390
160
Thermal Expansion, µm/m-K 17
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
40
Electrical Conductivity: Equal Weight (Specific), % IACS 100
120

Otherwise Unclassified Properties

Base Metal Price, % relative 32
9.5
Density, g/cm3 9.0
3.0
Embodied Carbon, kg CO2/kg material 2.6
8.0
Embodied Energy, MJ/kg 42
150
Embodied Water, L/kg 340
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
11
Resilience: Unit (Modulus of Resilience), kJ/m3 76
240 to 270
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
46
Strength to Weight: Axial, points 6.8
24 to 25
Strength to Weight: Bending, points 9.0
30 to 31
Thermal Diffusivity, mm2/s 110
62
Thermal Shock Resistance, points 7.8
11

Alloy Composition


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Aluminum (Al), % 0
90.7 to 94
Bismuth (Bi), % 0 to 0.00050
0
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 99.88 to 99.97
0 to 0.25
Iron (Fe), % 0
0 to 0.5
Magnesium (Mg), % 0
0.5 to 0.65
Manganese (Mn), % 0
0 to 0.1
Oxygen (O), % 0 to 0.040
0
Silicon (Si), % 0
0 to 0.3
Silver (Ag), % 0.030 to 0.050
0
Titanium (Ti), % 0
0.15 to 0.25
Zinc (Zn), % 0
5.0 to 6.5
Residuals, % 0
0 to 0.2