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Zamak 3 vs. AWS BNi-2

Zamak 3 belongs to the zinc alloys classification, while AWS BNi-2 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-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
180
Poisson's Ratio 0.25
0.3
Shear Modulus, GPa 33
68
Tensile Strength: Ultimate (UTS), MPa 280
440

Thermal Properties

Latent Heat of Fusion, J/g 120
360
Melting Completion (Liquidus), °C 390
1000
Melting Onset (Solidus), °C 380
970
Specific Heat Capacity, J/kg-K 410
490
Thermal Expansion, µm/m-K 27
11

Otherwise Unclassified Properties

Base Metal Price, % relative 11
55
Density, g/cm3 6.4
8.2
Embodied Carbon, kg CO2/kg material 3.0
9.3
Embodied Energy, MJ/kg 57
130
Embodied Water, L/kg 380
230

Common Calculations

Stiffness to Weight: Axial, points 7.5
12
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 12
15
Strength to Weight: Bending, points 15
16
Thermal Shock Resistance, points 8.6
16

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.050
Boron (B), % 0
2.8 to 3.5
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
6.0 to 8.0
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.1
2.5 to 3.5
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Nickel (Ni), % 0 to 0.020
79.1 to 84.8
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.030
4.0 to 5.0
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