Nickel 601 vs. Nickel 625
Both nickel 601 and nickel 625 are nickel alloys. They have 85% of their average alloy composition in common.
For each property being compared, the top bar is nickel 601 and the bottom bar is nickel 625.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 10 to 38 | |
| 33 to 34 |
| Fatigue Strength, MPa | 220 to 380 | |
| 240 to 320 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 76 | |
| 79 |
| Shear Strength, MPa | 440 to 530 | |
| 530 to 600 |
| Tensile Strength: Ultimate (UTS), MPa | 660 to 890 | |
| 790 to 910 |
| Tensile Strength: Yield (Proof), MPa | 290 to 800 | |
| 320 to 450 |
Thermal Properties
| Curie Temperature, °C | -200 | |
| -200 |
| Latent Heat of Fusion, J/g | 320 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 1100 | |
| 980 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1350 |
| Melting Onset (Solidus), °C | 1360 | |
| 1290 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 440 |
| Thermal Conductivity, W/m-K | 11 | |
| 11 |
| Thermal Expansion, µm/m-K | 14 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.5 | |
| 1.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.6 | |
| 1.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 49 | |
| 80 |
| Density, g/cm3 | 8.3 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 14 |
| Embodied Energy, MJ/kg | 110 | |
| 190 |
| Embodied Water, L/kg | 280 | |
| 290 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 86 to 200 | |
| 220 to 250 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 to 1630 | |
| 260 to 490 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 23 |
| Strength to Weight: Axial, points | 22 to 30 | |
| 26 to 29 |
| Strength to Weight: Bending, points | 20 to 25 | |
| 22 to 24 |
| Thermal Diffusivity, mm2/s | 2.8 | |
| 2.9 |
| Thermal Shock Resistance, points | 17 to 23 | |
| 22 to 25 |
Alloy Composition
| Aluminum (Al), % | 1.0 to 1.7 | |
| 0 to 0.4 |
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.1 |
| Chromium (Cr), % | 21 to 25 | |
| 20 to 23 |
| Cobalt (Co), % | 0 | |
| 0 to 1.0 |
| Copper (Cu), % | 0 to 1.0 | |
| 0 |
| Iron (Fe), % | 7.7 to 20 | |
| 0 to 5.0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 | |
| 8.0 to 10 |
| Nickel (Ni), % | 58 to 63 | |
| 58 to 68.9 |
| Niobium (Nb), % | 0 | |
| 3.2 to 4.2 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 0 to 0.4 |