Nickel 690 vs. SAE-AISI 1018 Steel
Nickel 690 belongs to the nickel alloys classification, while SAE-AISI 1018 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is nickel 690 and the bottom bar is SAE-AISI 1018 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 90 | |
| 130 to 140 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 3.4 to 34 | |
| 17 to 27 |
| Fatigue Strength, MPa | 180 to 300 | |
| 180 to 270 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 79 | |
| 73 |
| Shear Strength, MPa | 420 to 570 | |
| 280 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 640 to 990 | |
| 430 to 480 |
| Tensile Strength: Yield (Proof), MPa | 250 to 760 | |
| 240 to 400 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 1010 | |
| 400 |
| Melting Completion (Liquidus), °C | 1380 | |
| 1460 |
| Melting Onset (Solidus), °C | 1340 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 14 | |
| 52 |
| Thermal Expansion, µm/m-K | 14 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.5 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.6 | |
| 8.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 1.8 |
| Density, g/cm3 | 8.3 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 1.4 |
| Embodied Energy, MJ/kg | 120 | |
| 18 |
| Embodied Water, L/kg | 290 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 to 170 | |
| 75 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 to 1440 | |
| 150 to 430 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 21 to 33 | |
| 15 to 17 |
| Strength to Weight: Bending, points | 20 to 27 | |
| 16 to 17 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 14 |
| Thermal Shock Resistance, points | 16 to 25 | |
| 14 to 15 |
Alloy Composition
| Carbon (C), % | 0 to 0.050 | |
| 0.15 to 0.2 |
| Chromium (Cr), % | 27 to 31 | |
| 0 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 |
| Iron (Fe), % | 7.0 to 11 | |
| 98.8 to 99.25 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0.6 to 0.9 |
| Nickel (Ni), % | 58 to 66 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.050 |