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Class 2 Tungsten vs. ASTM B631 Class A

Both class 2 tungsten and ASTM B631 class A are otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is class 2 tungsten and the bottom bar is ASTM B631 class A.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 260
220
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 100
85 to 86

Thermal Properties

Latent Heat of Fusion, J/g 160
160
Specific Heat Capacity, J/kg-K 120
160
Thermal Conductivity, W/m-K 20
420
Thermal Expansion, µm/m-K 4.6
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
40 to 47
Electrical Conductivity: Equal Weight (Specific), % IACS 7.8
25 to 29

Otherwise Unclassified Properties

Density, g/cm3 15
15
Embodied Carbon, kg CO2/kg material 23
43
Embodied Energy, MJ/kg 350
670

Common Calculations

Stiffness to Weight: Axial, points 9.6
8.5
Stiffness to Weight: Bending, points 14
14
Thermal Diffusivity, mm2/s 11
180