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2618A Aluminum vs. C12000 Copper

2618A aluminum belongs to the aluminum alloys classification, while C12000 copper belongs to the copper alloys. There are 29 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 2618A aluminum and the bottom bar is C12000 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
120
Elongation at Break, % 4.5
2.8 to 50
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
43
Shear Strength, MPa 260
160 to 240
Tensile Strength: Ultimate (UTS), MPa 440
230 to 410
Tensile Strength: Yield (Proof), MPa 410
77 to 400

Thermal Properties

Latent Heat of Fusion, J/g 390
210
Maximum Temperature: Mechanical, °C 230
200
Melting Completion (Liquidus), °C 670
1080
Melting Onset (Solidus), °C 560
1080
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 150
390
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
98
Electrical Conductivity: Equal Weight (Specific), % IACS 110
98

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 3.0
9.0
Embodied Carbon, kg CO2/kg material 8.4
2.6
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
10 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 1180
25 to 690
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 47
18
Strength to Weight: Axial, points 41
7.2 to 13
Strength to Weight: Bending, points 44
9.4 to 14
Thermal Diffusivity, mm2/s 59
110
Thermal Shock Resistance, points 19
8.2 to 15

Alloy Composition

Aluminum (Al), % 91.5 to 95.2
0
Copper (Cu), % 1.8 to 2.7
99.9 to 99.996
Iron (Fe), % 0.9 to 1.4
0
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0 to 0.25
0
Nickel (Ni), % 0.8 to 1.4
0
Phosphorus (P), % 0
0.0040 to 0.012
Silicon (Si), % 0.15 to 0.25
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.15
0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0 to 0.15
0