SAE-AISI H25 Steel vs. Class 2 Tungsten
SAE-AISI H25 steel belongs to the iron alloys classification, while class 2 tungsten belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI H25 steel and the bottom bar is class 2 tungsten.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 260 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 79 | |
| 100 |
| Tensile Strength: Ultimate (UTS), MPa | 710 to 1620 | |
| 860 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 160 |
| Specific Heat Capacity, J/kg-K | 420 | |
| 120 |
| Thermal Conductivity, W/m-K | 26 | |
| 20 |
| Thermal Expansion, µm/m-K | 12 | |
| 4.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 9.1 | |
| 15 |
| Embodied Carbon, kg CO2/kg material | 6.2 | |
| 23 |
| Embodied Energy, MJ/kg | 93 | |
| 350 |
| Embodied Water, L/kg | 83 | |
| 140 |
Common Calculations
| Stiffness to Weight: Axial, points | 12 | |
| 9.6 |
| Stiffness to Weight: Bending, points | 22 | |
| 14 |
| Strength to Weight: Axial, points | 22 to 50 | |
| 16 |
| Strength to Weight: Bending, points | 20 to 34 | |
| 13 |
| Thermal Diffusivity, mm2/s | 6.7 | |
| 11 |
| Thermal Shock Resistance, points | 22 to 49 | |
| 52 |
Alloy Composition
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| Carbon (C), % | 0.22 to 0.32 | |
| 0 |
| Chromium (Cr), % | 3.8 to 4.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Iron (Fe), % | 77.2 to 81.3 | |
| 0 |
| Manganese (Mn), % | 0.15 to 0.4 | |
| 0 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0.15 to 0.4 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tungsten (W), % | 14 to 16 | |
| 92.5 |
| Vanadium (V), % | 0.4 to 0.6 | |
| 0 |
| Residuals, % | 0 | |
| 7.5 |