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Class 2 Tungsten vs. ISO-WD32350 Magnesium

Class 2 tungsten belongs to the otherwise unclassified metals classification, while ISO-WD32350 magnesium belongs to the magnesium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 2 tungsten and the bottom bar is ISO-WD32350 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 260
45
Elongation at Break, % 5.7
5.7 to 10
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 100
18
Tensile Strength: Ultimate (UTS), MPa 860
250 to 290
Tensile Strength: Yield (Proof), MPa 580
140 to 180

Thermal Properties

Latent Heat of Fusion, J/g 160
340
Specific Heat Capacity, J/kg-K 120
990
Thermal Conductivity, W/m-K 20
130
Thermal Expansion, µm/m-K 4.6
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
25
Electrical Conductivity: Equal Weight (Specific), % IACS 7.8
130

Otherwise Unclassified Properties

Density, g/cm3 15
1.7
Embodied Carbon, kg CO2/kg material 23
23
Embodied Energy, MJ/kg 350
160
Embodied Water, L/kg 140
960

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
14 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 640
210 to 380
Stiffness to Weight: Axial, points 9.6
15
Stiffness to Weight: Bending, points 14
68
Strength to Weight: Axial, points 16
39 to 46
Strength to Weight: Bending, points 13
50 to 55
Thermal Diffusivity, mm2/s 11
73
Thermal Shock Resistance, points 52
16 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.060
Magnesium (Mg), % 0
95.7 to 97.7
Manganese (Mn), % 0
0.6 to 1.3
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0
0 to 0.1
Tungsten (W), % 92.5
0
Zinc (Zn), % 0
1.8 to 2.3
Residuals, % 0
0 to 0.3