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EN-MC32110 Magnesium vs. AWS BNi-4

EN-MC32110 magnesium belongs to the magnesium alloys classification, while AWS BNi-4 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, 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 EN-MC32110 magnesium and the bottom bar is AWS BNi-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 49
180
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 19
67
Tensile Strength: Ultimate (UTS), MPa 220
430

Thermal Properties

Latent Heat of Fusion, J/g 330
340
Melting Completion (Liquidus), °C 600
1070
Melting Onset (Solidus), °C 500
980
Specific Heat Capacity, J/kg-K 950
470
Thermal Expansion, µm/m-K 26
11

Otherwise Unclassified Properties

Base Metal Price, % relative 13
60
Density, g/cm3 2.1
8.5
Embodied Carbon, kg CO2/kg material 22
10
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 920
220

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 58
22
Strength to Weight: Axial, points 29
14
Strength to Weight: Bending, points 38
15
Thermal Shock Resistance, points 12
16

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0 to 0.050
Boron (B), % 0
1.5 to 2.2
Carbon (C), % 0
0 to 0.060
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0 to 0.050
0 to 1.5
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0
Nickel (Ni), % 0 to 0.010
91.4 to 95.5
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.2
3.0 to 4.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 5.5 to 6.5
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0 to 0.010
0 to 0.5