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AWS BNi-3 vs. Z21721 Zinc

AWS BNi-3 belongs to the nickel alloys classification, while Z21721 zinc belongs to the zinc alloys. There are 19 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-3 and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
87
Poisson's Ratio 0.31
0.25
Shear Modulus, GPa 66
35
Tensile Strength: Ultimate (UTS), MPa 430
150

Thermal Properties

Latent Heat of Fusion, J/g 350
110
Melting Completion (Liquidus), °C 1040
410
Melting Onset (Solidus), °C 980
390
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 10
26

Otherwise Unclassified Properties

Base Metal Price, % relative 60
11
Density, g/cm3 8.3
6.6
Embodied Carbon, kg CO2/kg material 9.9
2.8
Embodied Energy, MJ/kg 140
53
Embodied Water, L/kg 220
340

Common Calculations

Stiffness to Weight: Axial, points 12
7.3
Stiffness to Weight: Bending, points 22
22
Strength to Weight: Axial, points 14
6.4
Strength to Weight: Bending, points 15
9.6
Thermal Shock Resistance, points 17
4.8

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.0020
Boron (B), % 2.8 to 3.5
0
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 0 to 0.060
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.0050
Iron (Fe), % 0 to 0.5
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Nickel (Ni), % 90.1 to 93.3
0
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
0
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
0 to 0.020
Zinc (Zn), % 0
98.9 to 100
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0