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EN-MC65220 Magnesium vs. Class 4 Tungsten

EN-MC65220 magnesium belongs to the magnesium alloys classification, while class 4 tungsten belongs to the otherwise unclassified metals. 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 EN-MC65220 magnesium and the bottom bar is class 4 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
270
Elongation at Break, % 2.2
2.3
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
110
Tensile Strength: Ultimate (UTS), MPa 270
790
Tensile Strength: Yield (Proof), MPa 200
580

Thermal Properties

Latent Heat of Fusion, J/g 340
170
Specific Heat Capacity, J/kg-K 980
130
Thermal Conductivity, W/m-K 110
30
Thermal Expansion, µm/m-K 26
4.5

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
17
Electrical Conductivity: Equal Weight (Specific), % IACS 120
9.7

Otherwise Unclassified Properties

Density, g/cm3 1.9
16
Embodied Carbon, kg CO2/kg material 27
24
Embodied Energy, MJ/kg 210
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
16
Resilience: Unit (Modulus of Resilience), kJ/m3 450
620
Stiffness to Weight: Axial, points 13
9.6
Stiffness to Weight: Bending, points 62
14
Strength to Weight: Axial, points 40
14
Strength to Weight: Bending, points 49
12
Thermal Diffusivity, mm2/s 61
15
Thermal Shock Resistance, points 17
46

Alloy Composition

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
0
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 1.3 to 1.7
0
Tungsten (W), % 0
97
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
3.0