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Zamak 2 vs. C76200 Nickel Silver

Zamak 2 belongs to the zinc alloys classification, while C76200 nickel silver belongs to the copper alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is C76200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
120
Poisson's Ratio 0.26
0.31
Rockwell B Hardness 63
28 to 99
Shear Modulus, GPa 33
44
Tensile Strength: Ultimate (UTS), MPa 360
390 to 790

Thermal Properties

Latent Heat of Fusion, J/g 130
190
Maximum Temperature: Mechanical, °C 95
170
Melting Completion (Liquidus), °C 390
1030
Melting Onset (Solidus), °C 380
980
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 110
45
Thermal Expansion, µm/m-K 28
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 35
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 12
29
Density, g/cm3 6.5
8.2
Embodied Carbon, kg CO2/kg material 3.0
3.6
Embodied Energy, MJ/kg 57
57
Embodied Water, L/kg 380
310

Common Calculations

Stiffness to Weight: Axial, points 7.5
7.8
Stiffness to Weight: Bending, points 23
20
Strength to Weight: Axial, points 15
13 to 27
Strength to Weight: Bending, points 17
14 to 23
Thermal Diffusivity, mm2/s 41
14
Thermal Shock Resistance, points 11
13 to 26

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 2.5 to 3.3
57 to 61
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 0 to 0.0050
0 to 0.1
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.020
11 to 13.5
Silicon (Si), % 0 to 0.030
0
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 92.2 to 94
24.2 to 32
Residuals, % 0
0 to 0.5