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AWS BNi-2 vs. EN-MC21210 Magnesium

AWS BNi-2 belongs to the nickel alloys classification, while EN-MC21210 magnesium belongs to the magnesium 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 AWS BNi-2 and the bottom bar is EN-MC21210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
44
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 68
17
Tensile Strength: Ultimate (UTS), MPa 440
190

Thermal Properties

Latent Heat of Fusion, J/g 360
350
Melting Completion (Liquidus), °C 1000
600
Melting Onset (Solidus), °C 970
570
Specific Heat Capacity, J/kg-K 490
1000
Thermal Expansion, µm/m-K 11
27

Otherwise Unclassified Properties

Base Metal Price, % relative 55
12
Density, g/cm3 8.2
1.6
Embodied Carbon, kg CO2/kg material 9.3
24
Embodied Energy, MJ/kg 130
160
Embodied Water, L/kg 230
980

Common Calculations

Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 23
72
Strength to Weight: Axial, points 15
32
Strength to Weight: Bending, points 16
44
Thermal Shock Resistance, points 16
11

Alloy Composition

Aluminum (Al), % 0 to 0.050
1.6 to 2.6
Boron (B), % 2.8 to 3.5
0
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 6.0 to 8.0
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.010
Iron (Fe), % 2.5 to 3.5
0 to 0.0050
Magnesium (Mg), % 0
96.3 to 98.3
Manganese (Mn), % 0
0.1 to 0.7
Nickel (Ni), % 79.1 to 84.8
0 to 0.0020
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
0 to 0.1
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.010