Nickel 825 vs. Nickel 908
Both nickel 825 and nickel 908 are nickel alloys. Both are furnished in the annealed condition. They have 78% of their average alloy composition in common. There are 29 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 nickel 825 and the bottom bar is nickel 908.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 180 |
| Elongation at Break, % | 34 | |
| 11 |
| Fatigue Strength, MPa | 190 | |
| 450 |
| Poisson's Ratio | 0.28 | |
| 0.3 |
| Shear Modulus, GPa | 78 | |
| 70 |
| Shear Strength, MPa | 430 | |
| 800 |
| Tensile Strength: Ultimate (UTS), MPa | 650 | |
| 1340 |
| Tensile Strength: Yield (Proof), MPa | 260 | |
| 930 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 980 | |
| 920 |
| Melting Completion (Liquidus), °C | 1400 | |
| 1430 |
| Melting Onset (Solidus), °C | 1370 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 460 |
| Thermal Conductivity, W/m-K | 11 | |
| 11 |
| Thermal Expansion, µm/m-K | 14 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 41 | |
| 50 |
| Density, g/cm3 | 8.2 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 7.2 | |
| 9.3 |
| Embodied Energy, MJ/kg | 100 | |
| 140 |
| Embodied Water, L/kg | 230 | |
| 170 |
Common Calculations
| PREN (Pitting Resistance) | 31 | |
| 4.2 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 180 | |
| 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 | |
| 2340 |
| Stiffness to Weight: Axial, points | 13 | |
| 12 |
| Stiffness to Weight: Bending, points | 24 | |
| 23 |
| Strength to Weight: Axial, points | 22 | |
| 45 |
| Strength to Weight: Bending, points | 20 | |
| 33 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 2.9 |
| Thermal Shock Resistance, points | 17 | |
| 61 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.2 | |
| 0.75 to 1.3 |
| Boron (B), % | 0 | |
| 0 to 0.012 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.030 |
| Chromium (Cr), % | 19.5 to 23.5 | |
| 3.8 to 4.5 |
| Cobalt (Co), % | 0 | |
| 0 to 0.5 |
| Copper (Cu), % | 1.5 to 3.0 | |
| 0 to 0.5 |
| Iron (Fe), % | 22 to 37.9 | |
| 35.6 to 44.6 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 2.5 to 3.5 | |
| 0 |
| Nickel (Ni), % | 38 to 46 | |
| 47 to 51 |
| Niobium (Nb), % | 0 | |
| 2.7 to 3.3 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.050 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.0050 |
| Titanium (Ti), % | 0.6 to 1.2 | |
| 1.2 to 1.8 |