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C99500 Copper vs. 6151 Aluminum

C99500 copper belongs to the copper alloys classification, while 6151 aluminum belongs to the aluminum alloys. There are 26 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 C99500 copper and the bottom bar is 6151 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
69
Elongation at Break, % 13
1.1 to 5.7
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 45
26
Tensile Strength: Ultimate (UTS), MPa 540
330 to 340
Tensile Strength: Yield (Proof), MPa 310
270 to 280

Thermal Properties

Latent Heat of Fusion, J/g 240
410
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 1090
650
Melting Onset (Solidus), °C 1040
590
Specific Heat Capacity, J/kg-K 400
900
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
45
Electrical Conductivity: Equal Weight (Specific), % IACS 10
150

Otherwise Unclassified Properties

Base Metal Price, % relative 30
9.5
Density, g/cm3 8.7
2.7
Embodied Carbon, kg CO2/kg material 3.0
8.2
Embodied Energy, MJ/kg 47
150
Embodied Water, L/kg 300
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
3.5 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 410
520 to 580
Stiffness to Weight: Axial, points 7.7
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 17
34
Strength to Weight: Bending, points 17
39
Thermal Shock Resistance, points 19
15

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
95.6 to 98.8
Chromium (Cr), % 0
0.15 to 0.35
Copper (Cu), % 82.5 to 92
0 to 0.35
Iron (Fe), % 3.0 to 5.0
0 to 1.0
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0
0.45 to 0.8
Manganese (Mn), % 0 to 0.5
0 to 0.2
Nickel (Ni), % 3.5 to 5.5
0
Silicon (Si), % 0.5 to 2.0
0.6 to 1.2
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0.5 to 2.0
0 to 0.25
Residuals, % 0
0 to 0.15