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AWS BNi-3 vs. ISO-WD32260 Magnesium

AWS BNi-3 belongs to the nickel alloys classification, while ISO-WD32260 magnesium belongs to the magnesium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, 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 ISO-WD32260 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
46
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 66
18
Tensile Strength: Ultimate (UTS), MPa 430
330 to 340

Thermal Properties

Latent Heat of Fusion, J/g 350
330
Melting Completion (Liquidus), °C 1040
600
Melting Onset (Solidus), °C 980
520
Specific Heat Capacity, J/kg-K 480
970
Thermal Expansion, µm/m-K 10
27

Otherwise Unclassified Properties

Base Metal Price, % relative 60
13
Density, g/cm3 8.3
1.9
Embodied Carbon, kg CO2/kg material 9.9
23
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 220
940

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
63
Strength to Weight: Axial, points 14
48 to 51
Strength to Weight: Bending, points 15
56 to 58
Thermal Shock Resistance, points 17
19 to 20

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
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 0
92.7 to 94.8
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
Zinc (Zn), % 0
4.8 to 6.2
Zirconium (Zr), % 0 to 0.050
0.45 to 0.8
Residuals, % 0
0 to 0.3