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AWS BNi-5 vs. ZA-8

AWS BNi-5 belongs to the nickel alloys classification, while ZA-8 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-5 and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
85 to 86
Poisson's Ratio 0.29
0.26
Shear Modulus, GPa 72
34
Tensile Strength: Ultimate (UTS), MPa 470
210 to 370

Thermal Properties

Latent Heat of Fusion, J/g 470
110
Melting Completion (Liquidus), °C 1140
400
Melting Onset (Solidus), °C 1080
380
Specific Heat Capacity, J/kg-K 510
440
Thermal Expansion, µm/m-K 12
23

Otherwise Unclassified Properties

Base Metal Price, % relative 55
11
Density, g/cm3 7.7
6.3
Embodied Carbon, kg CO2/kg material 8.9
3.3
Embodied Energy, MJ/kg 130
62
Embodied Water, L/kg 260
420

Common Calculations

Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 17
9.3 to 17
Strength to Weight: Bending, points 17
12 to 18
Thermal Shock Resistance, points 15
7.6 to 13

Alloy Composition


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Aluminum (Al), % 0 to 0.050
8.0 to 8.8
Boron (B), % 0 to 0.030
0
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 18.5 to 19.5
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0.8 to 1.3
Iron (Fe), % 0
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Nickel (Ni), % 69.1 to 71.8
0 to 0.020
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 9.8 to 10.5
0 to 0.045
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0
89.7 to 91.2
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0