R05240 Alloy vs. EN 1.1170 Steel
R05240 alloy belongs to the otherwise unclassified metals classification, while EN 1.1170 steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is R05240 alloy and the bottom bar is EN 1.1170 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 150 | |
| 190 |
| Elongation at Break, % | 25 | |
| 16 to 17 |
| Poisson's Ratio | 0.36 | |
| 0.29 |
| Shear Modulus, GPa | 57 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 270 | |
| 640 to 730 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 330 to 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 190 | |
| 470 |
| Thermal Expansion, µm/m-K | 6.8 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 14 | |
| 7.8 |
| Embodied Water, L/kg | 460 | |
| 49 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 59 | |
| 91 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 90 | |
| 290 to 670 |
| Stiffness to Weight: Axial, points | 6.3 | |
| 13 |
| Stiffness to Weight: Bending, points | 13 | |
| 24 |
| Strength to Weight: Axial, points | 5.4 | |
| 23 to 26 |
| Strength to Weight: Bending, points | 6.8 | |
| 21 to 23 |
| Thermal Shock Resistance, points | 18 | |
| 20 to 23 |
Alloy Composition
| Carbon (C), % | 0 to 0.010 | |
| 0.25 to 0.32 |
| Chromium (Cr), % | 0 | |
| 0 to 0.4 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 96.7 to 98.5 |
| Manganese (Mn), % | 0 | |
| 1.3 to 1.7 |
| Molybdenum (Mo), % | 0 to 0.020 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 to 0.4 |
| Niobium (Nb), % | 35 to 42 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Oxygen (O), % | 0 to 0.020 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 | |
| 0 to 0.035 |
| Tantalum (Ta), % | 57.9 to 65 | |
| 0 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 |
| Tungsten (W), % | 0 to 0.050 | |
| 0 |