R05240 Alloy vs. EN 1.4421 Stainless Steel
R05240 alloy belongs to the otherwise unclassified metals classification, while EN 1.4421 stainless 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 1.4421 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 150 | |
| 200 |
| Elongation at Break, % | 25 | |
| 11 to 17 |
| Poisson's Ratio | 0.36 | |
| 0.28 |
| Shear Modulus, GPa | 57 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 270 | |
| 880 to 1100 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 620 to 950 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 280 |
| Specific Heat Capacity, J/kg-K | 190 | |
| 480 |
| Thermal Expansion, µm/m-K | 6.8 | |
| 10 |
Otherwise Unclassified Properties
| Density, g/cm3 | 14 | |
| 7.8 |
| Embodied Water, L/kg | 460 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 59 | |
| 120 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 90 | |
| 960 to 2270 |
| Stiffness to Weight: Axial, points | 6.3 | |
| 14 |
| Stiffness to Weight: Bending, points | 13 | |
| 25 |
| Strength to Weight: Axial, points | 5.4 | |
| 31 to 39 |
| Strength to Weight: Bending, points | 6.8 | |
| 26 to 30 |
| Thermal Shock Resistance, points | 18 | |
| 31 to 39 |
Alloy Composition
| Carbon (C), % | 0 to 0.010 | |
| 0 to 0.060 |
| Chromium (Cr), % | 0 | |
| 15.5 to 17.5 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 74.4 to 80.5 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 to 0.020 | |
| 0 to 0.7 |
| Nickel (Ni), % | 0 to 0.010 | |
| 4.0 to 5.5 |
| 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 0.8 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Tantalum (Ta), % | 57.9 to 65 | |
| 0 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 |
| Tungsten (W), % | 0 to 0.050 | |
| 0 |