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EN-MC65220 Magnesium vs. AWS BNi-6

EN-MC65220 magnesium belongs to the magnesium alloys classification, while AWS BNi-6 belongs to the nickel alloys. There are 18 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 EN-MC65220 magnesium and the bottom bar is AWS BNi-6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
160
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 17
62
Tensile Strength: Ultimate (UTS), MPa 270
450

Thermal Properties

Latent Heat of Fusion, J/g 340
260
Melting Completion (Liquidus), °C 610
880
Melting Onset (Solidus), °C 550
880
Specific Heat Capacity, J/kg-K 980
480
Thermal Expansion, µm/m-K 26
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 80
55
Density, g/cm3 1.9
8.2
Embodied Carbon, kg CO2/kg material 27
9.4
Embodied Energy, MJ/kg 210
130

Common Calculations

Stiffness to Weight: Axial, points 13
11
Stiffness to Weight: Bending, points 62
22
Strength to Weight: Axial, points 40
15
Strength to Weight: Bending, points 49
16
Thermal Shock Resistance, points 17
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0
0 to 0.060
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0.050 to 0.1
0
Iron (Fe), % 0 to 0.010
0
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
87.2 to 90
Phosphorus (P), % 0
10 to 12
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 1.3 to 1.7
0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0 to 0.050
Residuals, % 0
0 to 0.5