Annealed SAE-AISI H25 vs. Annealed R05200 Tantalum
Annealed SAE-AISI H25 belongs to the iron alloys classification, while annealed R05200 tantalum belongs to the otherwise unclassified metals. There are 17 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 annealed SAE-AISI H25 and the bottom bar is annealed R05200 tantalum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 79 | |
| 69 |
| Tensile Strength: Ultimate (UTS), MPa | 710 | |
| 210 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 140 |
| Melting Completion (Liquidus), °C | 1750 | |
| 3020 |
| Specific Heat Capacity, J/kg-K | 420 | |
| 140 |
| Thermal Conductivity, W/m-K | 26 | |
| 59 |
| Thermal Expansion, µm/m-K | 12 | |
| 6.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 9.1 | |
| 17 |
| Embodied Water, L/kg | 83 | |
| 650 |
Common Calculations
| Stiffness to Weight: Axial, points | 12 | |
| 6.2 |
| Stiffness to Weight: Bending, points | 22 | |
| 11 |
| Strength to Weight: Axial, points | 22 | |
| 3.6 |
| Strength to Weight: Bending, points | 20 | |
| 4.8 |
| Thermal Diffusivity, mm2/s | 6.7 | |
| 25 |
| Thermal Shock Resistance, points | 22 | |
| 13 |
Alloy Composition
| Carbon (C), % | 0.22 to 0.32 | |
| 0 to 0.010 |
| Chromium (Cr), % | 3.8 to 4.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0015 |
| Iron (Fe), % | 77.2 to 81.3 | |
| 0 to 0.010 |
| Manganese (Mn), % | 0.15 to 0.4 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.020 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 to 0.010 |
| Niobium (Nb), % | 0 | |
| 0 to 0.1 |
| Nitrogen (N), % | 0 | |
| 0 to 0.010 |
| Oxygen (O), % | 0 | |
| 0 to 0.015 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0.15 to 0.4 | |
| 0 to 0.0050 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tantalum (Ta), % | 0 | |
| 99.8 to 100 |
| Titanium (Ti), % | 0 | |
| 0 to 0.010 |
| Tungsten (W), % | 14 to 16 | |
| 0 to 0.050 |
| Vanadium (V), % | 0.4 to 0.6 | |
| 0 |