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AWS BNi-5a vs. Zamak 3

AWS BNi-5a belongs to the nickel alloys classification, while Zamak 3 belongs to the zinc 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 AWS BNi-5a and the bottom bar is Zamak 3.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0 to 0.050
3.5 to 4.3
Boron (B), % 1.0 to 1.5
0
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 18.5 to 19.5
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 0.5
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Nickel (Ni), % 70.1 to 73.5
0 to 0.020
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 7.0 to 7.5
0 to 0.030
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0
95.3 to 96.5
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0