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C99300 Copper vs. 5251 Aluminum

C99300 copper belongs to the copper alloys classification, while 5251 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C99300 copper and the bottom bar is 5251 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
44 to 79
Elastic (Young's, Tensile) Modulus, GPa 120
68
Elongation at Break, % 2.0
2.0 to 19
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 46
26
Tensile Strength: Ultimate (UTS), MPa 660
180 to 280
Tensile Strength: Yield (Proof), MPa 380
67 to 250

Thermal Properties

Latent Heat of Fusion, J/g 240
400
Maximum Temperature: Mechanical, °C 250
180
Melting Completion (Liquidus), °C 1080
650
Melting Onset (Solidus), °C 1070
610
Specific Heat Capacity, J/kg-K 450
900
Thermal Conductivity, W/m-K 43
150
Thermal Expansion, µm/m-K 17
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
37
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
120

Otherwise Unclassified Properties

Base Metal Price, % relative 35
9.5
Density, g/cm3 8.2
2.7
Embodied Carbon, kg CO2/kg material 4.5
8.5
Embodied Energy, MJ/kg 70
150
Embodied Water, L/kg 400
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
5.4 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 590
33 to 450
Stiffness to Weight: Axial, points 8.3
14
Stiffness to Weight: Bending, points 20
50
Strength to Weight: Axial, points 22
18 to 29
Strength to Weight: Bending, points 20
26 to 35
Thermal Diffusivity, mm2/s 12
61
Thermal Shock Resistance, points 22
7.9 to 13

Alloy Composition

Aluminum (Al), % 10.7 to 11.5
95.5 to 98.2
Chromium (Cr), % 0
0 to 0.15
Cobalt (Co), % 1.0 to 2.0
0
Copper (Cu), % 68.6 to 74.4
0 to 0.15
Iron (Fe), % 0.4 to 1.0
0 to 0.5
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0
1.7 to 2.4
Manganese (Mn), % 0
0.1 to 0.5
Nickel (Ni), % 13.5 to 16.5
0
Silicon (Si), % 0 to 0.020
0 to 0.4
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.15