SAE-AISI A8 Steel vs. N08024 Nickel
SAE-AISI A8 steel belongs to the iron alloys classification, while N08024 nickel belongs to the nickel alloys. They have a modest 40% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI A8 steel and the bottom bar is N08024 nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 74 | |
| 79 |
| Tensile Strength: Ultimate (UTS), MPa | 700 to 1920 | |
| 620 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 310 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1430 |
| Melting Onset (Solidus), °C | 1430 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 460 |
| Thermal Conductivity, W/m-K | 37 | |
| 12 |
| Thermal Expansion, µm/m-K | 12 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.3 | |
| 1.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.5 | |
| 1.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 8.5 | |
| 41 |
| Density, g/cm3 | 7.9 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.3 | |
| 7.2 |
| Embodied Energy, MJ/kg | 31 | |
| 99 |
| Embodied Water, L/kg | 73 | |
| 230 |
Common Calculations
| PREN (Pitting Resistance) | 12 | |
| 38 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 25 to 68 | |
| 21 |
| Strength to Weight: Bending, points | 22 to 44 | |
| 20 |
| Thermal Diffusivity, mm2/s | 9.9 | |
| 3.2 |
| Thermal Shock Resistance, points | 22 to 62 | |
| 15 |
Alloy Composition
| Carbon (C), % | 0.5 to 0.6 | |
| 0 to 0.030 |
| Chromium (Cr), % | 4.8 to 5.5 | |
| 22.5 to 25 |
| Copper (Cu), % | 0 to 0.25 | |
| 0.5 to 1.5 |
| Iron (Fe), % | 88.5 to 91.9 | |
| 26.6 to 38.4 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 1.2 to 1.7 | |
| 3.5 to 5.0 |
| Nickel (Ni), % | 0 to 0.3 | |
| 35 to 40 |
| Niobium (Nb), % | 0 | |
| 0.15 to 0.35 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.035 |
| Silicon (Si), % | 0.75 to 1.1 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.035 |
| Tungsten (W), % | 1.0 to 1.5 | |
| 0 |