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AWS BNi-5a vs. ZA-12

AWS BNi-5a belongs to the nickel alloys classification, while ZA-12 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 ZA-12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
83
Poisson's Ratio 0.29
0.26
Shear Modulus, GPa 72
33
Tensile Strength: Ultimate (UTS), MPa 480
260 to 400

Thermal Properties

Latent Heat of Fusion, J/g 420
120
Melting Completion (Liquidus), °C 1150
430
Melting Onset (Solidus), °C 1070
380
Specific Heat Capacity, J/kg-K 500
450
Thermal Expansion, µm/m-K 12
24

Otherwise Unclassified Properties

Base Metal Price, % relative 55
11
Density, g/cm3 7.9
6.0
Embodied Carbon, kg CO2/kg material 9.0
3.4
Embodied Energy, MJ/kg 130
64
Embodied Water, L/kg 260
440

Common Calculations

Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
12 to 19
Strength to Weight: Bending, points 17
15 to 20
Thermal Shock Resistance, points 15
9.4 to 14

Alloy Composition

Aluminum (Al), % 0 to 0.050
10.5 to 11.5
Boron (B), % 1.0 to 1.5
0
Cadmium (Cd), % 0
0 to 0.0060
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
0.5 to 1.2
Iron (Fe), % 0 to 0.5
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
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 0.060
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0
87.1 to 89
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0