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C12600 Copper vs. 771.0 Aluminum

C12600 copper belongs to the copper alloys classification, while 771.0 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 C12600 copper and the bottom bar is 771.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 56
1.7 to 6.5
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 56
26
Tensile Strength: Ultimate (UTS), MPa 270
250 to 370
Tensile Strength: Yield (Proof), MPa 69
210 to 350

Thermal Properties

Latent Heat of Fusion, J/g 210
380
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 1080
630
Melting Onset (Solidus), °C 1030
620
Specific Heat Capacity, J/kg-K 390
870
Thermal Conductivity, W/m-K 130
140 to 150
Thermal Expansion, µm/m-K 17
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
27
Electrical Conductivity: Equal Weight (Specific), % IACS 29
82

Otherwise Unclassified Properties

Base Metal Price, % relative 30
9.5
Density, g/cm3 8.9
3.0
Embodied Carbon, kg CO2/kg material 2.6
8.0
Embodied Energy, MJ/kg 41
150
Embodied Water, L/kg 310
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
4.4 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 21
310 to 900
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
46
Strength to Weight: Axial, points 8.2
23 to 35
Strength to Weight: Bending, points 10
29 to 39
Thermal Diffusivity, mm2/s 39
54 to 58
Thermal Shock Resistance, points 9.5
11 to 16

Alloy Composition

Aluminum (Al), % 0
90.5 to 92.5
Chromium (Cr), % 0
0.060 to 0.2
Copper (Cu), % 99.5 to 99.8
0 to 0.1
Iron (Fe), % 0
0 to 0.15
Magnesium (Mg), % 0
0.8 to 1.0
Manganese (Mn), % 0
0 to 0.1
Phosphorus (P), % 0.2 to 0.4
0
Silicon (Si), % 0
0 to 0.15
Titanium (Ti), % 0
0.1 to 0.2
Zinc (Zn), % 0
6.5 to 7.5
Residuals, % 0
0 to 0.15