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772.0 Aluminum vs. C75200 Nickel Silver

772.0 aluminum belongs to the aluminum alloys classification, while C75200 nickel silver belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 772.0 aluminum and the bottom bar is C75200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 26
47
Tensile Strength: Ultimate (UTS), MPa 260 to 320
400 to 660

Thermal Properties

Latent Heat of Fusion, J/g 380
210
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 630
1110
Melting Onset (Solidus), °C 580
1070
Specific Heat Capacity, J/kg-K 870
400
Thermal Conductivity, W/m-K 150
33
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
33
Density, g/cm3 3.0
8.5
Embodied Carbon, kg CO2/kg material 8.0
4.1
Embodied Energy, MJ/kg 150
62
Embodied Water, L/kg 1140
300

Common Calculations

Stiffness to Weight: Axial, points 13
8.0
Stiffness to Weight: Bending, points 46
19
Strength to Weight: Axial, points 25 to 31
13 to 21
Strength to Weight: Bending, points 31 to 36
14 to 20
Thermal Diffusivity, mm2/s 58
9.8
Thermal Shock Resistance, points 11 to 14
13 to 22

Alloy Composition

Aluminum (Al), % 91.2 to 93.2
0
Chromium (Cr), % 0.060 to 0.2
0
Copper (Cu), % 0 to 0.1
63.5 to 66.5
Iron (Fe), % 0 to 0.15
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.6 to 0.8
0
Manganese (Mn), % 0 to 0.1
0 to 0.5
Nickel (Ni), % 0
16.5 to 19.5
Silicon (Si), % 0 to 0.15
0
Titanium (Ti), % 0.1 to 0.2
0
Zinc (Zn), % 6.0 to 7.0
12.7 to 20
Residuals, % 0
0 to 0.5