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A206.0 Aluminum vs. CR012A Copper

A206.0 aluminum belongs to the aluminum alloys classification, while CR012A 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 A206.0 aluminum and the bottom bar is CR012A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
120
Elongation at Break, % 4.2 to 10
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Tensile Strength: Ultimate (UTS), MPa 390 to 440
220
Tensile Strength: Yield (Proof), MPa 250 to 380
130

Thermal Properties

Latent Heat of Fusion, J/g 390
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 670
1090
Melting Onset (Solidus), °C 550
1040
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 130
390
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
100
Electrical Conductivity: Equal Weight (Specific), % IACS 90
100

Otherwise Unclassified Properties

Base Metal Price, % relative 11
33
Density, g/cm3 3.0
9.0
Embodied Carbon, kg CO2/kg material 8.0
2.7
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1150
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 37
29
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1000
76
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 46
18
Strength to Weight: Axial, points 36 to 41
6.8
Strength to Weight: Bending, points 39 to 43
9.0
Thermal Diffusivity, mm2/s 48
110
Thermal Shock Resistance, points 17 to 19
7.8

Alloy Composition

Aluminum (Al), % 93.9 to 95.7
0
Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 4.2 to 5.0
99.85 to 99.94
Iron (Fe), % 0 to 0.1
0
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0 to 0.050
0
Oxygen (O), % 0
0 to 0.040
Silicon (Si), % 0 to 0.050
0
Silver (Ag), % 0
0.060 to 0.080
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0