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A206.0 Aluminum vs. C70250 Copper

A206.0 aluminum belongs to the aluminum alloys classification, while C70250 copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 C70250 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
44
Tensile Strength: Ultimate (UTS), MPa 390 to 440
520 to 740

Thermal Properties

Latent Heat of Fusion, J/g 390
220
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 670
1100
Melting Onset (Solidus), °C 550
1080
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 130
170
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
36 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 90
37 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 3.0
8.9
Embodied Carbon, kg CO2/kg material 8.0
2.9
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1150
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 46
18
Strength to Weight: Axial, points 36 to 41
16 to 23
Strength to Weight: Bending, points 39 to 43
16 to 21
Thermal Diffusivity, mm2/s 48
49
Thermal Shock Resistance, points 17 to 19
18 to 26

Alloy Composition

Aluminum (Al), % 93.9 to 95.7
0
Copper (Cu), % 4.2 to 5.0
92.7 to 97.5
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0 to 0.15
0.050 to 0.3
Manganese (Mn), % 0 to 0.2
0 to 0.1
Nickel (Ni), % 0 to 0.050
2.2 to 4.2
Silicon (Si), % 0 to 0.050
0.25 to 1.2
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
0 to 1.0
Residuals, % 0
0 to 0.5