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Class 1 Tungsten vs. S32760 Stainless Steel

Class 1 tungsten belongs to the otherwise unclassified metals classification, while S32760 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is class 1 tungsten and the bottom bar is S32760 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 250
200
Elongation at Break, % 5.7
28
Poisson's Ratio 0.29
0.27
Rockwell C Hardness 28
24
Shear Modulus, GPa 98
80
Tensile Strength: Ultimate (UTS), MPa 860
850
Tensile Strength: Yield (Proof), MPa 580
620

Thermal Properties

Latent Heat of Fusion, J/g 160
300
Specific Heat Capacity, J/kg-K 120
470
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 5.1
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.4
2.5

Otherwise Unclassified Properties

Density, g/cm3 15
7.9
Embodied Carbon, kg CO2/kg material 22
4.1
Embodied Energy, MJ/kg 340
57
Embodied Water, L/kg 140
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
220
Resilience: Unit (Modulus of Resilience), kJ/m3 660
930
Stiffness to Weight: Axial, points 9.6
14
Stiffness to Weight: Bending, points 14
25
Strength to Weight: Axial, points 16
30
Strength to Weight: Bending, points 14
25
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 48
23

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 0
57.6 to 65.8
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Tungsten (W), % 90
0.5 to 1.0
Residuals, % 10
0