MakeItFrom.com
Menu (ESC)

238.0 Aluminum vs. C71640 Copper-nickel

238.0 aluminum belongs to the aluminum alloys classification, while C71640 copper-nickel belongs to the copper alloys. There are 26 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 C71640 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
52
Tensile Strength: Ultimate (UTS), MPa 210
490 to 630
Tensile Strength: Yield (Proof), MPa 170
190 to 460

Thermal Properties

Latent Heat of Fusion, J/g 430
240
Maximum Temperature: Mechanical, °C 170
260
Melting Completion (Liquidus), °C 600
1180
Melting Onset (Solidus), °C 510
1120
Specific Heat Capacity, J/kg-K 840
410
Thermal Conductivity, W/m-K 100
29
Thermal Expansion, µm/m-K 21
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 67
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
40
Density, g/cm3 3.4
8.9
Embodied Carbon, kg CO2/kg material 7.4
5.0
Embodied Energy, MJ/kg 140
73
Embodied Water, L/kg 1040
280

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 180
130 to 750
Stiffness to Weight: Axial, points 12
8.7
Stiffness to Weight: Bending, points 42
20
Strength to Weight: Axial, points 17
15 to 20
Strength to Weight: Bending, points 23
16 to 18
Thermal Diffusivity, mm2/s 37
8.2
Thermal Shock Resistance, points 9.1
16 to 21

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
0
Copper (Cu), % 9.5 to 10.5
61.7 to 67.8
Iron (Fe), % 1.0 to 1.5
1.7 to 2.3
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0 to 0.25
0
Manganese (Mn), % 0
1.5 to 2.5
Nickel (Ni), % 0
29 to 32
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