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EN-MC35110 Magnesium vs. AWS BNi-5

EN-MC35110 magnesium belongs to the magnesium alloys classification, while AWS BNi-5 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-MC35110 magnesium and the bottom bar is AWS BNi-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
72
Tensile Strength: Ultimate (UTS), MPa 230
470

Thermal Properties

Latent Heat of Fusion, J/g 330
470
Melting Completion (Liquidus), °C 600
1140
Melting Onset (Solidus), °C 520
1080
Specific Heat Capacity, J/kg-K 970
510
Thermal Expansion, µm/m-K 26
12

Otherwise Unclassified Properties

Base Metal Price, % relative 18
55
Density, g/cm3 1.9
7.7
Embodied Carbon, kg CO2/kg material 24
8.9
Embodied Energy, MJ/kg 170
130
Embodied Water, L/kg 940
260

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 63
25
Strength to Weight: Axial, points 34
17
Strength to Weight: Bending, points 44
17
Thermal Shock Resistance, points 14
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
0 to 0.030
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
18.5 to 19.5
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
0
Magnesium (Mg), % 92 to 95.4
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
69.1 to 71.8
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.010
9.8 to 10.5
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Unspecified Rare Earths, % 0.75 to 1.8
0
Zinc (Zn), % 3.5 to 5.0
0
Zirconium (Zr), % 0.4 to 1.0
0 to 0.050
Residuals, % 0
0 to 0.5