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2095 Aluminum vs. C82200 Copper

2095 aluminum belongs to the aluminum alloys classification, while C82200 copper belongs to the copper 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 2095 aluminum and the bottom bar is C82200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
120
Elongation at Break, % 8.5
8.0 to 20
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
44
Tensile Strength: Ultimate (UTS), MPa 700
390 to 660
Tensile Strength: Yield (Proof), MPa 610
210 to 520

Thermal Properties

Latent Heat of Fusion, J/g 390
220
Maximum Temperature: Mechanical, °C 210
230
Melting Completion (Liquidus), °C 660
1080
Melting Onset (Solidus), °C 540
1040
Specific Heat Capacity, J/kg-K 910
390
Thermal Conductivity, W/m-K 130
180
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
45
Electrical Conductivity: Equal Weight (Specific), % IACS 110
46

Otherwise Unclassified Properties

Base Metal Price, % relative 31
55
Density, g/cm3 3.0
8.9
Embodied Carbon, kg CO2/kg material 8.6
4.8
Embodied Energy, MJ/kg 160
74
Embodied Water, L/kg 1470
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
49 to 66
Resilience: Unit (Modulus of Resilience), kJ/m3 2640
180 to 1130
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 46
18
Strength to Weight: Axial, points 65
12 to 20
Strength to Weight: Bending, points 59
13 to 19
Thermal Diffusivity, mm2/s 49
53
Thermal Shock Resistance, points 31
14 to 23

Alloy Composition

Aluminum (Al), % 91.3 to 94.9
0
Beryllium (Be), % 0
0.35 to 0.8
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 3.9 to 4.6
97.4 to 98.7
Iron (Fe), % 0 to 0.15
0
Lithium (Li), % 0.7 to 1.5
0
Magnesium (Mg), % 0.25 to 0.8
0
Manganese (Mn), % 0 to 0.25
0
Nickel (Ni), % 0
1.0 to 2.0
Silicon (Si), % 0 to 0.12
0
Silver (Ag), % 0.25 to 0.6
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0.040 to 0.18
0
Residuals, % 0
0 to 0.5