MakeItFrom.com
Menu (ESC)

7129 Aluminum vs. C78200 Nickel Silver

7129 Aluminum belongs to the aluminum alloys classification, while C78200 nickel silver belongs to the copper 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 7129 Aluminum and the bottom bar is C78200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 9.0 to 9.1
3.0 to 40
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
43
Shear Strength, MPa 250 to 260
280 to 400
Tensile Strength: Ultimate (UTS), MPa 430
370 to 630
Tensile Strength: Yield (Proof), MPa 380 to 390
170 to 570

Thermal Properties

Latent Heat of Fusion, J/g 380
190
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 630
1000
Melting Onset (Solidus), °C 510
970
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 150
48
Thermal Expansion, µm/m-K 24
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
11
Electrical Conductivity: Equal Weight (Specific), % IACS 120
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 2.9
8.4
Embodied Carbon, kg CO2/kg material 8.3
3.3
Embodied Energy, MJ/kg 150
52
Embodied Water, L/kg 1150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 38
18 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1090
130 to 1440
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 47
19
Strength to Weight: Axial, points 41
12 to 21
Strength to Weight: Bending, points 43 to 44
14 to 19
Thermal Diffusivity, mm2/s 58
15
Thermal Shock Resistance, points 19
12 to 21

Alloy Composition

Aluminum (Al), % 91 to 94
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0.5 to 0.9
63 to 67
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0 to 0.35
Lead (Pb), % 0
1.5 to 2.5
Magnesium (Mg), % 1.3 to 2.0
0
Manganese (Mn), % 0 to 0.1
0 to 0.5
Nickel (Ni), % 0
7.0 to 9.0
Silicon (Si), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 4.2 to 5.2
20.2 to 28.5
Residuals, % 0
0 to 0.5