AISI 204 Stainless Steel vs. Class 4 Tungsten
AISI 204 stainless steel belongs to the iron alloys classification, while class 4 tungsten belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (10, 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 AISI 204 stainless steel and the bottom bar is class 4 tungsten.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 270 |
| Elongation at Break, % | 23 to 39 | |
| 2.3 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 110 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 1100 | |
| 790 |
| Tensile Strength: Yield (Proof), MPa | 380 to 1080 | |
| 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 170 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 130 |
| Thermal Conductivity, W/m-K | 15 | |
| 30 |
| Thermal Expansion, µm/m-K | 17 | |
| 4.5 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 17 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 9.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.7 | |
| 16 |
| Embodied Carbon, kg CO2/kg material | 2.4 | |
| 24 |
| Embodied Energy, MJ/kg | 35 | |
| 360 |
| Embodied Water, L/kg | 130 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 240 to 250 | |
| 16 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 2940 | |
| 620 |
| Stiffness to Weight: Axial, points | 14 | |
| 9.6 |
| Stiffness to Weight: Bending, points | 25 | |
| 14 |
| Strength to Weight: Axial, points | 27 to 40 | |
| 14 |
| Strength to Weight: Bending, points | 24 to 31 | |
| 12 |
| Thermal Diffusivity, mm2/s | 4.1 | |
| 15 |
| Thermal Shock Resistance, points | 16 to 24 | |
| 46 |
Alloy Composition
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| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Chromium (Cr), % | 15 to 17 | |
| 0 |
| Iron (Fe), % | 69.6 to 76.4 | |
| 0 |
| Manganese (Mn), % | 7.0 to 9.0 | |
| 0 |
| Nickel (Ni), % | 1.5 to 3.0 | |
| 0 |
| Nitrogen (N), % | 0.15 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tungsten (W), % | 0 | |
| 97 |
| Residuals, % | 0 | |
| 3.0 |