AISI 440B Stainless Steel vs. N08221 Nickel
AISI 440B stainless steel belongs to the iron alloys classification, while N08221 nickel belongs to the nickel alloys. They have 46% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is AISI 440B stainless steel and the bottom bar is N08221 nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 3.0 to 18 | |
| 34 |
| Fatigue Strength, MPa | 260 to 850 | |
| 190 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 79 |
| Shear Strength, MPa | 460 to 1110 | |
| 410 |
| Tensile Strength: Ultimate (UTS), MPa | 740 to 1930 | |
| 610 |
| Tensile Strength: Yield (Proof), MPa | 430 to 1860 | |
| 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 310 |
| Maximum Temperature: Mechanical, °C | 870 | |
| 980 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1440 |
| Melting Onset (Solidus), °C | 1370 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 460 |
| Thermal Expansion, µm/m-K | 10 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.0 | |
| 44 |
| Density, g/cm3 | 7.7 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 2.2 | |
| 7.9 |
| Embodied Energy, MJ/kg | 31 | |
| 110 |
| Embodied Water, L/kg | 120 | |
| 240 |
Common Calculations
| PREN (Pitting Resistance) | 18 | |
| 40 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 57 to 110 | |
| 170 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 27 to 70 | |
| 21 |
| Strength to Weight: Bending, points | 24 to 45 | |
| 19 |
| Thermal Shock Resistance, points | 27 to 70 | |
| 16 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.2 |
| Carbon (C), % | 0.75 to 1.0 | |
| 0 to 0.025 |
| Chromium (Cr), % | 16 to 18 | |
| 20 to 22 |
| Copper (Cu), % | 0 | |
| 1.5 to 3.0 |
| Iron (Fe), % | 78.2 to 83.3 | |
| 22 to 33.9 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 to 0.75 | |
| 5.0 to 6.5 |
| Nickel (Ni), % | 0 | |
| 39 to 46 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.050 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0 | |
| 0.6 to 1.0 |