Nickel 625 vs. SAE-AISI 1018 Steel
Nickel 625 belongs to the nickel alloys classification, while SAE-AISI 1018 steel belongs to the iron alloys. There are 30 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 625 and the bottom bar is SAE-AISI 1018 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 33 to 34 | |
| 17 to 27 |
| Fatigue Strength, MPa | 240 to 320 | |
| 180 to 270 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 79 | |
| 73 |
| Shear Strength, MPa | 530 to 600 | |
| 280 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 790 to 910 | |
| 430 to 480 |
| Tensile Strength: Yield (Proof), MPa | 320 to 450 | |
| 240 to 400 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 980 | |
| 400 |
| Melting Completion (Liquidus), °C | 1350 | |
| 1460 |
| Melting Onset (Solidus), °C | 1290 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 470 |
| Thermal Conductivity, W/m-K | 11 | |
| 52 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.3 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.4 | |
| 8.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 80 | |
| 1.8 |
| Density, g/cm3 | 8.6 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 14 | |
| 1.4 |
| Embodied Energy, MJ/kg | 190 | |
| 18 |
| Embodied Water, L/kg | 290 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 220 to 250 | |
| 75 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 490 | |
| 150 to 430 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 26 to 29 | |
| 15 to 17 |
| Strength to Weight: Bending, points | 22 to 24 | |
| 16 to 17 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 14 |
| Thermal Shock Resistance, points | 22 to 25 | |
| 14 to 15 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.4 | |
| 0 |
| Carbon (C), % | 0 to 0.1 | |
| 0.15 to 0.2 |
| Chromium (Cr), % | 20 to 23 | |
| 0 |
| Cobalt (Co), % | 0 to 1.0 | |
| 0 |
| Iron (Fe), % | 0 to 5.0 | |
| 98.8 to 99.25 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0.6 to 0.9 |
| Molybdenum (Mo), % | 8.0 to 10 | |
| 0 |
| Nickel (Ni), % | 58 to 68.9 | |
| 0 |
| Niobium (Nb), % | 3.2 to 4.2 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.050 |
| Titanium (Ti), % | 0 to 0.4 | |
| 0 |