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7108 Aluminum vs. C97300 Nickel Silver

7108 aluminum belongs to the aluminum alloys classification, while C97300 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 7108 aluminum and the bottom bar is C97300 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 11
9.0
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 350
230
Tensile Strength: Yield (Proof), MPa 290
110

Thermal Properties

Latent Heat of Fusion, J/g 380
180
Maximum Temperature: Mechanical, °C 210
150
Melting Completion (Liquidus), °C 630
1040
Melting Onset (Solidus), °C 530
1010
Specific Heat Capacity, J/kg-K 880
370
Thermal Conductivity, W/m-K 150
29
Thermal Expansion, µm/m-K 24
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 120
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
30
Density, g/cm3 2.9
8.6
Embodied Carbon, kg CO2/kg material 8.3
3.7
Embodied Energy, MJ/kg 150
59
Embodied Water, L/kg 1150
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
18
Resilience: Unit (Modulus of Resilience), kJ/m3 620
59
Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 47
18
Strength to Weight: Axial, points 34
7.6
Strength to Weight: Bending, points 38
9.8
Thermal Diffusivity, mm2/s 59
9.3
Thermal Shock Resistance, points 16
8.0

Alloy Composition

Aluminum (Al), % 92.4 to 94.7
0 to 0.0050
Antimony (Sb), % 0
0 to 0.35
Copper (Cu), % 0 to 0.050
53 to 58
Iron (Fe), % 0 to 0.1
0 to 1.5
Lead (Pb), % 0
8.0 to 11
Magnesium (Mg), % 0.7 to 1.4
0
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0
11 to 14
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.1
0 to 0.15
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
1.5 to 3.0
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 4.5 to 5.5
17 to 25
Zirconium (Zr), % 0.12 to 0.25
0
Residuals, % 0
0 to 1.0