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C96900 Copper-nickel vs. 238.0 Aluminum

C96900 copper-nickel belongs to the copper alloys classification, while 238.0 aluminum belongs to the aluminum 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 C96900 copper-nickel and the bottom bar is 238.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
76
Elongation at Break, % 4.5
1.5
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 45
28
Tensile Strength: Ultimate (UTS), MPa 850
210
Tensile Strength: Yield (Proof), MPa 830
170

Thermal Properties

Latent Heat of Fusion, J/g 210
430
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 1060
600
Melting Onset (Solidus), °C 960
510
Specific Heat Capacity, J/kg-K 380
840
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
25
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
67

Otherwise Unclassified Properties

Base Metal Price, % relative 39
12
Density, g/cm3 8.8
3.4
Embodied Carbon, kg CO2/kg material 4.6
7.4
Embodied Energy, MJ/kg 72
140
Embodied Water, L/kg 360
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 2820
180
Stiffness to Weight: Axial, points 7.7
12
Stiffness to Weight: Bending, points 19
42
Strength to Weight: Axial, points 27
17
Strength to Weight: Bending, points 23
23
Thermal Shock Resistance, points 30
9.1

Alloy Composition

Aluminum (Al), % 0
81.9 to 84.9
Copper (Cu), % 73.6 to 78
9.5 to 10.5
Iron (Fe), % 0 to 0.5
1.0 to 1.5
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0 to 0.25
Manganese (Mn), % 0.050 to 0.3
0
Nickel (Ni), % 14.5 to 15.5
0
Niobium (Nb), % 0 to 0.1
0
Silicon (Si), % 0 to 0.3
3.6 to 4.4
Tin (Sn), % 7.5 to 8.5
0
Zinc (Zn), % 0 to 0.5
1.0 to 1.5
Residuals, % 0 to 0.5
0