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Zamak 3 vs. AWS BNi-8

Zamak 3 belongs to the zinc alloys classification, while AWS BNi-8 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is Zamak 3 and the bottom bar is AWS BNi-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
180
Poisson's Ratio 0.25
0.32
Shear Modulus, GPa 33
67
Tensile Strength: Ultimate (UTS), MPa 280
570

Thermal Properties

Latent Heat of Fusion, J/g 120
390
Melting Completion (Liquidus), °C 390
1010
Melting Onset (Solidus), °C 380
980
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 27
13

Otherwise Unclassified Properties

Base Metal Price, % relative 11
46
Density, g/cm3 6.4
7.9
Embodied Carbon, kg CO2/kg material 3.0
8.2
Embodied Energy, MJ/kg 57
120
Embodied Water, L/kg 380
220

Common Calculations

Stiffness to Weight: Axial, points 7.5
12
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 12
20
Strength to Weight: Bending, points 15
19
Thermal Shock Resistance, points 8.6
17

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.050
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.060
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0 to 0.25
4.0 to 5.0
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
21.5 to 24.5
Nickel (Ni), % 0 to 0.020
61.6 to 68.5
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.030
6.0 to 8.0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 95.3 to 96.5
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5