R05240 Alloy vs. EN 1.7767 Steel
R05240 alloy belongs to the otherwise unclassified metals classification, while EN 1.7767 steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is R05240 alloy and the bottom bar is EN 1.7767 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 150 | |
| 190 |
| Elongation at Break, % | 25 | |
| 20 |
| Poisson's Ratio | 0.36 | |
| 0.29 |
| Shear Modulus, GPa | 57 | |
| 74 |
| Tensile Strength: Ultimate (UTS), MPa | 270 | |
| 670 to 690 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 460 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 | |
| 13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 14 | |
| 7.9 |
| Embodied Water, L/kg | 460 | |
| 64 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 59 | |
| 120 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 90 | |
| 570 to 650 |
| Stiffness to Weight: Axial, points | 6.3 | |
| 13 |
| Stiffness to Weight: Bending, points | 13 | |
| 24 |
| Strength to Weight: Axial, points | 5.4 | |
| 24 |
| Strength to Weight: Bending, points | 6.8 | |
| 22 |
| Thermal Shock Resistance, points | 18 | |
| 19 to 20 |
Alloy Composition
| Carbon (C), % | 0 to 0.010 | |
| 0.1 to 0.15 |
| Chromium (Cr), % | 0 | |
| 2.8 to 3.3 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 93.8 to 95.8 |
| Manganese (Mn), % | 0 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0 to 0.020 | |
| 0.9 to 1.1 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 to 0.25 |
| Niobium (Nb), % | 35 to 42 | |
| 0 to 0.070 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 to 0.012 |
| Oxygen (O), % | 0 to 0.020 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 to 0.15 |
| Sulfur (S), % | 0 | |
| 0 to 0.0050 |
| Tantalum (Ta), % | 57.9 to 65 | |
| 0 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 to 0.030 |
| Tungsten (W), % | 0 to 0.050 | |
| 0 |
| Vanadium (V), % | 0 | |
| 0.2 to 0.3 |