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C72700 Copper-nickel vs. 319.0 Aluminum

C72700 copper-nickel belongs to the copper alloys classification, while 319.0 aluminum belongs to the aluminum alloys. There are 29 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 C72700 copper-nickel and the bottom bar is 319.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
72
Elongation at Break, % 4.0 to 36
1.8 to 2.0
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
27
Shear Strength, MPa 310 to 620
170 to 210
Tensile Strength: Ultimate (UTS), MPa 460 to 1070
190 to 240
Tensile Strength: Yield (Proof), MPa 580 to 1060
110 to 180

Thermal Properties

Latent Heat of Fusion, J/g 210
480
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1100
600
Melting Onset (Solidus), °C 930
540
Specific Heat Capacity, J/kg-K 380
880
Thermal Conductivity, W/m-K 54
110
Thermal Expansion, µm/m-K 17
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
27
Electrical Conductivity: Equal Weight (Specific), % IACS 11
84

Otherwise Unclassified Properties

Base Metal Price, % relative 36
10
Density, g/cm3 8.8
2.9
Embodied Carbon, kg CO2/kg material 4.0
7.7
Embodied Energy, MJ/kg 62
140
Embodied Water, L/kg 350
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 380
3.3 to 3.9
Resilience: Unit (Modulus of Resilience), kJ/m3 1420 to 4770
88 to 220
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
48
Strength to Weight: Axial, points 14 to 34
18 to 24
Strength to Weight: Bending, points 15 to 26
25 to 30
Thermal Diffusivity, mm2/s 16
44
Thermal Shock Resistance, points 16 to 38
8.6 to 11

Alloy Composition

Aluminum (Al), % 0
85.8 to 91.5
Copper (Cu), % 82.1 to 86
3.0 to 4.0
Iron (Fe), % 0 to 0.5
0 to 1.0
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0 to 0.1
Manganese (Mn), % 0.050 to 0.3
0 to 0.5
Nickel (Ni), % 8.5 to 9.5
0 to 0.35
Niobium (Nb), % 0 to 0.1
0
Silicon (Si), % 0
5.5 to 6.5
Tin (Sn), % 5.5 to 6.5
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.5
0 to 1.0
Residuals, % 0
0 to 0.5