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Zamak 3 vs. AWS BNi-5a

Zamak 3 belongs to the zinc alloys classification, while AWS BNi-5a 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-5a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
190
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 33
72
Tensile Strength: Ultimate (UTS), MPa 280
480

Thermal Properties

Latent Heat of Fusion, J/g 120
420
Melting Completion (Liquidus), °C 390
1150
Melting Onset (Solidus), °C 380
1070
Specific Heat Capacity, J/kg-K 410
500
Thermal Expansion, µm/m-K 27
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
55
Density, g/cm3 6.4
7.9
Embodied Carbon, kg CO2/kg material 3.0
9.0
Embodied Energy, MJ/kg 57
130
Embodied Water, L/kg 380
260

Common Calculations

Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 12
17
Strength to Weight: Bending, points 15
17
Thermal Shock Resistance, points 8.6
15

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.050
Boron (B), % 0
1.0 to 1.5
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
18.5 to 19.5
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.1
0 to 0.5
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Nickel (Ni), % 0 to 0.020
70.1 to 73.5
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.030
7.0 to 7.5
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