R05252 Alloy vs. R05240 Alloy
Both R05252 alloy and R05240 alloy are otherwise unclassified metals. Both are furnished in the annealed condition. They have 62% of their average alloy composition in common.
For each property being compared, the top bar is R05252 alloy and the bottom bar is R05240 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 150 |
| Elongation at Break, % | 23 | |
| 25 |
| Poisson's Ratio | 0.33 | |
| 0.36 |
| Shear Modulus, GPa | 73 | |
| 57 |
| Tensile Strength: Ultimate (UTS), MPa | 310 | |
| 270 |
| Tensile Strength: Yield (Proof), MPa | 220 | |
| 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 210 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 190 |
| Thermal Expansion, µm/m-K | 6.7 | |
| 6.8 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 14 |
| Embodied Water, L/kg | 600 | |
| 460 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 63 | |
| 59 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 | |
| 90 |
| Stiffness to Weight: Axial, points | 6.5 | |
| 6.3 |
| Stiffness to Weight: Bending, points | 12 | |
| 13 |
| Strength to Weight: Axial, points | 5.2 | |
| 5.4 |
| Strength to Weight: Bending, points | 6.1 | |
| 6.8 |
| Thermal Shock Resistance, points | 17 | |
| 18 |
Alloy Composition
| Carbon (C), % | 0 to 0.010 | |
| 0 to 0.010 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 to 0.0015 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 0.010 |
| Molybdenum (Mo), % | 0 to 0.020 | |
| 0 to 0.020 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 to 0.010 |
| Niobium (Nb), % | 0 to 0.1 | |
| 35 to 42 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 to 0.010 |
| Oxygen (O), % | 0 to 0.015 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 to 0.0050 |
| Tantalum (Ta), % | 88.8 to 91 | |
| 57.9 to 65 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 to 0.010 |
| Tungsten (W), % | 9.0 to 11 | |
| 0 to 0.050 |