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AWS BNi-3 vs. ZC63A Magnesium

AWS BNi-3 belongs to the nickel alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is AWS BNi-3 and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
48
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 66
19
Tensile Strength: Ultimate (UTS), MPa 430
220

Thermal Properties

Latent Heat of Fusion, J/g 350
330
Melting Completion (Liquidus), °C 1040
550
Melting Onset (Solidus), °C 980
470
Specific Heat Capacity, J/kg-K 480
950
Thermal Expansion, µm/m-K 10
26

Otherwise Unclassified Properties

Base Metal Price, % relative 60
13
Density, g/cm3 8.3
2.1
Embodied Carbon, kg CO2/kg material 9.9
22
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 220
920

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
58
Strength to Weight: Axial, points 14
29
Strength to Weight: Bending, points 15
38
Thermal Shock Resistance, points 17
12

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.8 to 3.5
0
Carbon (C), % 0 to 0.060
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
2.4 to 3.0
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0
0.25 to 0.75
Nickel (Ni), % 90.1 to 93.3
0 to 0.010
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
0 to 0.2
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0
5.5 to 6.5
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.3