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772.0 Aluminum vs. C77300 Nickel Silver

772.0 aluminum belongs to the aluminum alloys classification, while C77300 nickel silver belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (8, 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 C77300 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 26
42
Tensile Strength: Ultimate (UTS), MPa 260 to 320
540

Thermal Properties

Latent Heat of Fusion, J/g 380
180
Maximum Temperature: Mechanical, °C 180
130
Melting Completion (Liquidus), °C 630
940
Melting Onset (Solidus), °C 580
920
Specific Heat Capacity, J/kg-K 870
390
Thermal Expansion, µm/m-K 24
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 110
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
26
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 8.0
3.5
Embodied Energy, MJ/kg 150
56
Embodied Water, L/kg 1140
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.7
Stiffness to Weight: Bending, points 46
20
Strength to Weight: Axial, points 25 to 31
19
Strength to Weight: Bending, points 31 to 36
19
Thermal Shock Resistance, points 11 to 14
17

Alloy Composition

Aluminum (Al), % 91.2 to 93.2
0 to 0.010
Chromium (Cr), % 0.060 to 0.2
0
Copper (Cu), % 0 to 0.1
46 to 50
Iron (Fe), % 0 to 0.15
0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.6 to 0.8
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
9.0 to 11
Phosphorus (P), % 0
0 to 0.25
Silicon (Si), % 0 to 0.15
0.040 to 0.25
Titanium (Ti), % 0.1 to 0.2
0
Zinc (Zn), % 6.0 to 7.0
37.9 to 45
Residuals, % 0
0 to 0.5