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Class 4 Tungsten vs. S32050 Stainless Steel

Class 4 tungsten belongs to the otherwise unclassified metals classification, while S32050 stainless steel belongs to the iron alloys. There are 24 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 4 tungsten and the bottom bar is S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 270
210
Elongation at Break, % 2.3
46
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 110
81
Tensile Strength: Ultimate (UTS), MPa 790
770
Tensile Strength: Yield (Proof), MPa 580
370

Thermal Properties

Latent Heat of Fusion, J/g 170
310
Specific Heat Capacity, J/kg-K 130
470
Thermal Conductivity, W/m-K 30
12
Thermal Expansion, µm/m-K 4.5
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
2.1

Otherwise Unclassified Properties

Density, g/cm3 16
8.0
Embodied Carbon, kg CO2/kg material 24
6.0
Embodied Energy, MJ/kg 360
81
Embodied Water, L/kg 150
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16
290
Resilience: Unit (Modulus of Resilience), kJ/m3 620
330
Stiffness to Weight: Axial, points 9.6
14
Stiffness to Weight: Bending, points 14
25
Strength to Weight: Axial, points 14
27
Strength to Weight: Bending, points 12
23
Thermal Diffusivity, mm2/s 15
3.3
Thermal Shock Resistance, points 46
17

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 0
43.1 to 51.8
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
6.0 to 6.6
Nickel (Ni), % 0
20 to 23
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Tungsten (W), % 97
0
Residuals, % 3.0
0