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319.0 Aluminum vs. C81400 Copper

319.0 aluminum belongs to the aluminum alloys classification, while C81400 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 319.0 aluminum and the bottom bar is C81400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
120
Elongation at Break, % 1.8 to 2.0
11
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 190 to 240
370
Tensile Strength: Yield (Proof), MPa 110 to 180
250

Thermal Properties

Latent Heat of Fusion, J/g 480
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 600
1090
Melting Onset (Solidus), °C 540
1070
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 110
260
Thermal Expansion, µm/m-K 22
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
60
Electrical Conductivity: Equal Weight (Specific), % IACS 84
61

Otherwise Unclassified Properties

Base Metal Price, % relative 10
33
Density, g/cm3 2.9
8.9
Embodied Carbon, kg CO2/kg material 7.7
2.8
Embodied Energy, MJ/kg 140
45
Embodied Water, L/kg 1080
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.3 to 3.9
36
Resilience: Unit (Modulus of Resilience), kJ/m3 88 to 220
260
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 48
18
Strength to Weight: Axial, points 18 to 24
11
Strength to Weight: Bending, points 25 to 30
13
Thermal Diffusivity, mm2/s 44
75
Thermal Shock Resistance, points 8.6 to 11
13

Alloy Composition

Aluminum (Al), % 85.8 to 91.5
0
Beryllium (Be), % 0
0.020 to 0.1
Chromium (Cr), % 0
0.6 to 1.0
Copper (Cu), % 3.0 to 4.0
98.4 to 99.38
Iron (Fe), % 0 to 1.0
0
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.35
0
Silicon (Si), % 5.5 to 6.5
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0
0 to 0.5