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7108A Aluminum vs. C97800 Nickel Silver

7108A aluminum belongs to the aluminum alloys classification, while C97800 nickel silver belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 7108A aluminum and the bottom bar is C97800 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
130
Elongation at Break, % 11 to 13
10
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
48
Tensile Strength: Ultimate (UTS), MPa 350
370
Tensile Strength: Yield (Proof), MPa 290 to 300
170

Thermal Properties

Latent Heat of Fusion, J/g 380
220
Maximum Temperature: Mechanical, °C 210
230
Melting Completion (Liquidus), °C 630
1180
Melting Onset (Solidus), °C 520
1140
Specific Heat Capacity, J/kg-K 870
390
Thermal Conductivity, W/m-K 150
25
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
4.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
40
Density, g/cm3 2.9
8.8
Embodied Carbon, kg CO2/kg material 8.3
5.1
Embodied Energy, MJ/kg 150
76
Embodied Water, L/kg 1150
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 44
31
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 640
120
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 47
19
Strength to Weight: Axial, points 33 to 34
12
Strength to Weight: Bending, points 38
13
Thermal Diffusivity, mm2/s 59
7.3
Thermal Shock Resistance, points 15 to 16
13

Alloy Composition

Aluminum (Al), % 91.6 to 94.4
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Chromium (Cr), % 0 to 0.040
0
Copper (Cu), % 0 to 0.050
64 to 67
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0 to 1.5
Lead (Pb), % 0
1.0 to 2.5
Magnesium (Mg), % 0.7 to 1.5
0
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0
24 to 27
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.2
0 to 0.15
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.0 to 5.5
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 4.8 to 5.8
1.0 to 4.0
Zirconium (Zr), % 0.15 to 0.25
0
Residuals, % 0
0 to 0.4