SAE-AISI D4 Steel vs. Class 2 Tungsten
SAE-AISI D4 steel belongs to the iron alloys classification, while class 2 tungsten belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI D4 steel and the bottom bar is class 2 tungsten.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 260 |
| Elongation at Break, % | 8.4 to 15 | |
| 5.7 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 74 | |
| 100 |
| Tensile Strength: Ultimate (UTS), MPa | 760 to 2060 | |
| 860 |
| Tensile Strength: Yield (Proof), MPa | 470 to 1540 | |
| 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 160 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 120 |
| Thermal Conductivity, W/m-K | 31 | |
| 20 |
| Thermal Expansion, µm/m-K | 12 | |
| 4.6 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.2 | |
| 13 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.0 | |
| 7.8 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.7 | |
| 15 |
| Embodied Carbon, kg CO2/kg material | 3.3 | |
| 23 |
| Embodied Energy, MJ/kg | 49 | |
| 350 |
| Embodied Water, L/kg | 100 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 160 | |
| 44 |
| Stiffness to Weight: Axial, points | 14 | |
| 9.6 |
| Stiffness to Weight: Bending, points | 25 | |
| 14 |
| Strength to Weight: Axial, points | 27 to 75 | |
| 16 |
| Strength to Weight: Bending, points | 24 to 47 | |
| 13 |
| Thermal Diffusivity, mm2/s | 8.3 | |
| 11 |
| Thermal Shock Resistance, points | 23 to 63 | |
| 52 |
Alloy Composition
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| Carbon (C), % | 2.1 to 2.4 | |
| 0 |
| Chromium (Cr), % | 11 to 13 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Iron (Fe), % | 80.6 to 86.3 | |
| 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 | |
| 92.5 |
| Vanadium (V), % | 0 to 1.0 | |
| 0 |
| Residuals, % | 0 | |
| 7.5 |