Class 3 Tungsten vs. AISI 201LN Stainless Steel
Class 3 tungsten belongs to the otherwise unclassified metals classification, while AISI 201LN 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 3 tungsten and the bottom bar is AISI 201LN stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 270 | |
| 200 |
| Elongation at Break, % | 3.4 | |
| 25 to 51 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 100 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 830 | |
| 740 to 1060 |
| Tensile Strength: Yield (Proof), MPa | 580 | |
| 350 to 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 280 |
| Specific Heat Capacity, J/kg-K | 120 | |
| 480 |
| Thermal Conductivity, W/m-K | 30 | |
| 15 |
| Thermal Expansion, µm/m-K | 4.5 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 15 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.5 | |
| 2.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 15 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 2.6 |
| Embodied Energy, MJ/kg | 360 | |
| 38 |
| Embodied Water, L/kg | 150 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 25 | |
| 230 to 310 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 630 | |
| 310 to 1520 |
| Stiffness to Weight: Axial, points | 9.6 | |
| 14 |
| Stiffness to Weight: Bending, points | 14 | |
| 25 |
| Strength to Weight: Axial, points | 15 | |
| 27 to 38 |
| Strength to Weight: Bending, points | 13 | |
| 24 to 30 |
| Thermal Diffusivity, mm2/s | 15 | |
| 4.0 |
| Thermal Shock Resistance, points | 49 | |
| 16 to 23 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 16 to 17.5 |
| Copper (Cu), % | 0 | |
| 0 to 1.0 |
| Iron (Fe), % | 0 | |
| 67.9 to 73.5 |
| Manganese (Mn), % | 0 | |
| 6.4 to 7.5 |
| Nickel (Ni), % | 0 | |
| 4.0 to 5.0 |
| Nitrogen (N), % | 0 | |
| 0.1 to 0.25 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Tungsten (W), % | 95 | |
| 0 |
| Residuals, % | 5.0 | |
| 0 |