AISI 440A Stainless Steel vs. EN 2.4878 Nickel
AISI 440A stainless steel belongs to the iron alloys classification, while EN 2.4878 nickel belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is AISI 440A stainless steel and the bottom bar is EN 2.4878 nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 5.0 to 20 | |
| 13 to 17 |
| Fatigue Strength, MPa | 270 to 790 | |
| 400 to 410 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 78 |
| Shear Strength, MPa | 450 to 1040 | |
| 750 to 760 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 1790 | |
| 1210 to 1250 |
| Tensile Strength: Yield (Proof), MPa | 420 to 1650 | |
| 740 to 780 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 760 | |
| 1030 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1370 |
| Melting Onset (Solidus), °C | 1370 | |
| 1320 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 460 |
| Thermal Conductivity, W/m-K | 23 | |
| 11 |
| Thermal Expansion, µm/m-K | 10 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.0 | |
| 80 |
| Density, g/cm3 | 7.7 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 2.2 | |
| 10 |
| Embodied Energy, MJ/kg | 31 | |
| 150 |
| Embodied Water, L/kg | 120 | |
| 370 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 120 | |
| 150 to 180 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 26 to 65 | |
| 41 to 42 |
| Strength to Weight: Bending, points | 23 to 43 | |
| 31 |
| Thermal Diffusivity, mm2/s | 6.2 | |
| 2.8 |
| Thermal Shock Resistance, points | 26 to 65 | |
| 37 to 39 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 1.2 to 1.6 |
| Boron (B), % | 0 | |
| 0.010 to 0.015 |
| Carbon (C), % | 0.6 to 0.75 | |
| 0.030 to 0.070 |
| Chromium (Cr), % | 16 to 18 | |
| 23 to 25 |
| Cobalt (Co), % | 0 | |
| 19 to 21 |
| Copper (Cu), % | 0 | |
| 0 to 0.2 |
| Iron (Fe), % | 78.4 to 83.4 | |
| 0 to 1.0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 to 0.75 | |
| 1.0 to 2.0 |
| Nickel (Ni), % | 0 | |
| 43.6 to 52.2 |
| Niobium (Nb), % | 0 | |
| 0.7 to 1.2 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.0070 |
| Tantalum (Ta), % | 0 | |
| 0 to 0.050 |
| Titanium (Ti), % | 0 | |
| 2.8 to 3.2 |
| Zirconium (Zr), % | 0 | |
| 0.030 to 0.070 |