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Class 3 Tungsten vs. EN-MC65220 Magnesium

Class 3 tungsten belongs to the otherwise unclassified metals classification, while EN-MC65220 magnesium belongs to the magnesium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, 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 class 3 tungsten and the bottom bar is EN-MC65220 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 270
44
Elongation at Break, % 3.4
2.2
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 100
17
Tensile Strength: Ultimate (UTS), MPa 830
270
Tensile Strength: Yield (Proof), MPa 580
200

Thermal Properties

Latent Heat of Fusion, J/g 170
340
Specific Heat Capacity, J/kg-K 120
980
Thermal Conductivity, W/m-K 30
110
Thermal Expansion, µm/m-K 4.5
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
25
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
120

Otherwise Unclassified Properties

Density, g/cm3 15
1.9
Embodied Carbon, kg CO2/kg material 23
27
Embodied Energy, MJ/kg 360
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 630
450
Stiffness to Weight: Axial, points 9.6
13
Stiffness to Weight: Bending, points 14
62
Strength to Weight: Axial, points 15
40
Strength to Weight: Bending, points 13
49
Thermal Diffusivity, mm2/s 15
61
Thermal Shock Resistance, points 49
17

Alloy Composition

Copper (Cu), % 0
0.050 to 0.1
Iron (Fe), % 0
0 to 0.010
Magnesium (Mg), % 0
93.8 to 96.8
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0
0 to 0.010
Silver (Ag), % 0
1.3 to 1.7
Tungsten (W), % 95
0
Unspecified Rare Earths, % 0
1.5 to 3.0
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010