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308.0 Aluminum vs. C96700 Copper

308.0 aluminum belongs to the aluminum alloys classification, while C96700 copper belongs to the copper alloys. There are 26 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 308.0 aluminum and the bottom bar is C96700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
140
Elongation at Break, % 2.0
10
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
53
Tensile Strength: Ultimate (UTS), MPa 190
1210
Tensile Strength: Yield (Proof), MPa 110
550

Thermal Properties

Latent Heat of Fusion, J/g 470
250
Maximum Temperature: Mechanical, °C 170
310
Melting Completion (Liquidus), °C 620
1170
Melting Onset (Solidus), °C 540
1110
Specific Heat Capacity, J/kg-K 870
400
Thermal Conductivity, W/m-K 140
30
Thermal Expansion, µm/m-K 20
15

Otherwise Unclassified Properties

Base Metal Price, % relative 10
90
Density, g/cm3 2.9
8.8
Embodied Carbon, kg CO2/kg material 7.7
9.5
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 1080
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.3
99
Resilience: Unit (Modulus of Resilience), kJ/m3 83
1080
Stiffness to Weight: Axial, points 14
8.9
Stiffness to Weight: Bending, points 47
20
Strength to Weight: Axial, points 18
38
Strength to Weight: Bending, points 25
29
Thermal Diffusivity, mm2/s 55
8.5
Thermal Shock Resistance, points 9.2
40

Alloy Composition

Aluminum (Al), % 85.7 to 91
0
Beryllium (Be), % 0
1.1 to 1.2
Copper (Cu), % 4.0 to 5.0
62.4 to 68.8
Iron (Fe), % 0 to 1.0
0.4 to 1.0
Lead (Pb), % 0
0 to 0.010
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0.4 to 1.0
Nickel (Ni), % 0
29 to 33
Silicon (Si), % 5.0 to 6.0
0 to 0.15
Titanium (Ti), % 0 to 0.25
0.15 to 0.35
Zinc (Zn), % 0 to 1.0
0
Zirconium (Zr), % 0
0.15 to 0.35
Residuals, % 0
0 to 0.5