SAE-AISI D2 Steel vs. Class 4 Tungsten
SAE-AISI D2 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 (7, 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 SAE-AISI D2 steel and the bottom bar is class 4 tungsten.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 270 |
| Elongation at Break, % | 5.0 to 16 | |
| 2.3 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 75 | |
| 110 |
| Tensile Strength: Ultimate (UTS), MPa | 760 to 2000 | |
| 790 |
| Tensile Strength: Yield (Proof), MPa | 470 to 1510 | |
| 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 170 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 130 |
| Thermal Conductivity, W/m-K | 31 | |
| 30 |
| Thermal Expansion, µm/m-K | 11 | |
| 4.5 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.3 | |
| 17 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.1 | |
| 9.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.7 | |
| 16 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 24 |
| Embodied Energy, MJ/kg | 50 | |
| 360 |
| Embodied Water, L/kg | 100 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 92 to 100 | |
| 16 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 570 to 5940 | |
| 620 |
| Stiffness to Weight: Axial, points | 14 | |
| 9.6 |
| Stiffness to Weight: Bending, points | 25 | |
| 14 |
| Strength to Weight: Axial, points | 27 to 72 | |
| 14 |
| Strength to Weight: Bending, points | 24 to 46 | |
| 12 |
| Thermal Diffusivity, mm2/s | 8.3 | |
| 15 |
| Thermal Shock Resistance, points | 25 to 67 | |
| 46 |
Alloy Composition
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| Carbon (C), % | 1.4 to 1.6 | |
| 0 |
| Chromium (Cr), % | 11 to 13 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Iron (Fe), % | 81.3 to 86.9 | |
| 0 |
| Manganese (Mn), % | 0 to 0.6 | |
| 0 |
| Molybdenum (Mo), % | 0.7 to 1.2 | |
| 0 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tungsten (W), % | 0 | |
| 97 |
| Vanadium (V), % | 0 to 1.1 | |
| 0 |
| Residuals, % | 0 | |
| 3.0 |