EN 2.4878 Nickel vs. SAE-AISI 8645 Steel
EN 2.4878 nickel belongs to the nickel alloys classification, while SAE-AISI 8645 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is EN 2.4878 nickel and the bottom bar is SAE-AISI 8645 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 13 to 17 | |
| 12 to 23 |
| Fatigue Strength, MPa | 400 to 410 | |
| 280 to 350 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 78 | |
| 73 |
| Shear Strength, MPa | 750 to 760 | |
| 380 to 400 |
| Tensile Strength: Ultimate (UTS), MPa | 1210 to 1250 | |
| 600 to 670 |
| Tensile Strength: Yield (Proof), MPa | 740 to 780 | |
| 390 to 560 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 1030 | |
| 410 |
| Melting Completion (Liquidus), °C | 1370 | |
| 1460 |
| Melting Onset (Solidus), °C | 1320 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 470 |
| Thermal Conductivity, W/m-K | 11 | |
| 39 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 80 | |
| 2.6 |
| Density, g/cm3 | 8.3 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 1.5 |
| Embodied Energy, MJ/kg | 150 | |
| 20 |
| Embodied Water, L/kg | 370 | |
| 50 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 to 180 | |
| 77 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1370 to 1540 | |
| 420 to 840 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 41 to 42 | |
| 21 to 24 |
| Strength to Weight: Bending, points | 31 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 2.8 | |
| 10 |
| Thermal Shock Resistance, points | 37 to 39 | |
| 18 to 20 |
Alloy Composition
| Aluminum (Al), % | 1.2 to 1.6 | |
| 0 |
| Boron (B), % | 0.010 to 0.015 | |
| 0 |
| Carbon (C), % | 0.030 to 0.070 | |
| 0.43 to 0.48 |
| Chromium (Cr), % | 23 to 25 | |
| 0.4 to 0.6 |
| Cobalt (Co), % | 19 to 21 | |
| 0 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 |
| Iron (Fe), % | 0 to 1.0 | |
| 96.5 to 97.7 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0.75 to 1.0 |
| Molybdenum (Mo), % | 1.0 to 2.0 | |
| 0.15 to 0.25 |
| Nickel (Ni), % | 43.6 to 52.2 | |
| 0.4 to 0.7 |
| Niobium (Nb), % | 0.7 to 1.2 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.5 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 to 0.0070 | |
| 0 to 0.040 |
| Tantalum (Ta), % | 0 to 0.050 | |
| 0 |
| Titanium (Ti), % | 2.8 to 3.2 | |
| 0 |
| Zirconium (Zr), % | 0.030 to 0.070 | |
| 0 |