Nickel 908 vs. SAE-AISI 1008 Steel
Nickel 908 belongs to the nickel alloys classification, while SAE-AISI 1008 steel belongs to the iron alloys. They have 41% of their average alloy composition in common. There are 28 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 nickel 908 and the bottom bar is SAE-AISI 1008 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 190 |
| Elongation at Break, % | 11 | |
| 22 to 33 |
| Fatigue Strength, MPa | 450 | |
| 150 to 220 |
| Poisson's Ratio | 0.3 | |
| 0.29 |
| Shear Modulus, GPa | 70 | |
| 73 |
| Shear Strength, MPa | 800 | |
| 220 to 230 |
| Tensile Strength: Ultimate (UTS), MPa | 1340 | |
| 330 to 370 |
| Tensile Strength: Yield (Proof), MPa | 930 | |
| 190 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 920 | |
| 400 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1470 |
| Melting Onset (Solidus), °C | 1380 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 470 |
| Thermal Conductivity, W/m-K | 11 | |
| 62 |
| Thermal Expansion, µm/m-K | 8.6 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 1.8 |
| Density, g/cm3 | 8.3 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 9.3 | |
| 1.4 |
| Embodied Energy, MJ/kg | 140 | |
| 18 |
| Embodied Water, L/kg | 170 | |
| 45 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 | |
| 78 to 91 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2340 | |
| 92 to 260 |
| Stiffness to Weight: Axial, points | 12 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 45 | |
| 12 to 13 |
| Strength to Weight: Bending, points | 33 | |
| 13 to 15 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 17 |
| Thermal Shock Resistance, points | 61 | |
| 10 to 12 |
Alloy Composition
| Aluminum (Al), % | 0.75 to 1.3 | |
| 0 |
| Boron (B), % | 0 to 0.012 | |
| 0 |
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.1 |
| Chromium (Cr), % | 3.8 to 4.5 | |
| 0 |
| Cobalt (Co), % | 0 to 0.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 |
| Iron (Fe), % | 35.6 to 44.6 | |
| 99.31 to 99.7 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.3 to 0.5 |
| Nickel (Ni), % | 47 to 51 | |
| 0 |
| Niobium (Nb), % | 2.7 to 3.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.0050 | |
| 0 to 0.050 |
| Titanium (Ti), % | 1.2 to 1.8 | |
| 0 |