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238.0 Aluminum vs. C70600 Copper-nickel

238.0 aluminum belongs to the aluminum alloys classification, while C70600 copper-nickel belongs to the copper alloys. There are 28 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 238.0 aluminum and the bottom bar is C70600 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
120
Elongation at Break, % 1.5
3.0 to 34
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 28
46
Tensile Strength: Ultimate (UTS), MPa 210
290 to 570
Tensile Strength: Yield (Proof), MPa 170
63 to 270

Thermal Properties

Latent Heat of Fusion, J/g 430
220
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 600
1150
Melting Onset (Solidus), °C 510
1100
Specific Heat Capacity, J/kg-K 840
390
Thermal Conductivity, W/m-K 100
44
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 67
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
33
Density, g/cm3 3.4
8.9
Embodied Carbon, kg CO2/kg material 7.4
3.4
Embodied Energy, MJ/kg 140
51
Embodied Water, L/kg 1040
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
6.5 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 180
16 to 290
Stiffness to Weight: Axial, points 12
7.7
Stiffness to Weight: Bending, points 42
19
Strength to Weight: Axial, points 17
9.1 to 18
Strength to Weight: Bending, points 23
11 to 17
Thermal Diffusivity, mm2/s 37
13
Thermal Shock Resistance, points 9.1
9.8 to 19

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
0
Copper (Cu), % 9.5 to 10.5
84.7 to 90
Iron (Fe), % 1.0 to 1.5
1.0 to 1.8
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0 to 0.25
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
9.0 to 11
Silicon (Si), % 3.6 to 4.4
0
Zinc (Zn), % 1.0 to 1.5
0 to 1.0
Residuals, % 0
0 to 0.5