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2030 Aluminum vs. C81400 Copper

2030 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 (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 2030 aluminum and the bottom bar is C81400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
120
Elongation at Break, % 5.6 to 8.0
11
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
41
Tensile Strength: Ultimate (UTS), MPa 370 to 420
370
Tensile Strength: Yield (Proof), MPa 240 to 270
250

Thermal Properties

Latent Heat of Fusion, J/g 390
210
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 640
1090
Melting Onset (Solidus), °C 510
1070
Specific Heat Capacity, J/kg-K 870
390
Thermal Conductivity, W/m-K 130
260
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
60
Electrical Conductivity: Equal Weight (Specific), % IACS 99
61

Otherwise Unclassified Properties

Base Metal Price, % relative 10
33
Density, g/cm3 3.1
8.9
Embodied Carbon, kg CO2/kg material 8.0
2.8
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1140
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
36
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 530
260
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 45
18
Strength to Weight: Axial, points 33 to 38
11
Strength to Weight: Bending, points 37 to 40
13
Thermal Diffusivity, mm2/s 50
75
Thermal Shock Resistance, points 16 to 19
13

Alloy Composition

Aluminum (Al), % 88.9 to 95.2
0
Beryllium (Be), % 0
0.020 to 0.1
Bismuth (Bi), % 0 to 0.2
0
Chromium (Cr), % 0 to 0.1
0.6 to 1.0
Copper (Cu), % 3.3 to 4.5
98.4 to 99.38
Iron (Fe), % 0 to 0.7
0
Lead (Pb), % 0.8 to 1.5
0
Magnesium (Mg), % 0.5 to 1.3
0
Manganese (Mn), % 0.2 to 1.0
0
Silicon (Si), % 0 to 0.8
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 0.5