AISI 440A Stainless Steel vs. R60901 Alloy
AISI 440A stainless steel belongs to the iron alloys classification, while R60901 alloy belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is AISI 440A stainless steel and the bottom bar is R60901 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 98 |
| Elongation at Break, % | 5.0 to 20 | |
| 17 to 22 |
| Poisson's Ratio | 0.28 | |
| 0.34 |
| Shear Modulus, GPa | 77 | |
| 37 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 1790 | |
| 500 to 580 |
| Tensile Strength: Yield (Proof), MPa | 420 to 1650 | |
| 350 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 270 |
| Thermal Conductivity, W/m-K | 23 | |
| 17 |
| Thermal Expansion, µm/m-K | 10 | |
| 6.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.7 | |
| 6.6 |
| Embodied Water, L/kg | 120 | |
| 270 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 120 | |
| 88 to 100 |
| Stiffness to Weight: Axial, points | 14 | |
| 8.3 |
| Stiffness to Weight: Bending, points | 25 | |
| 23 |
| Strength to Weight: Axial, points | 26 to 65 | |
| 21 to 25 |
| Strength to Weight: Bending, points | 23 to 43 | |
| 21 to 24 |
| Thermal Diffusivity, mm2/s | 6.2 | |
| 9.7 |
| Thermal Shock Resistance, points | 26 to 65 | |
| 58 to 67 |
Alloy Composition
| Carbon (C), % | 0.6 to 0.75 | |
| 0 |
| Chromium (Cr), % | 16 to 18 | |
| 0 |
| Iron (Fe), % | 78.4 to 83.4 | |
| 0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.75 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 2.4 to 2.8 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 96.8 to 97.5 |
| Residuals, % | 0 | |
| 0 to 0.29 |