Nickel 690 vs. EN 1.6554 Steel
Nickel 690 belongs to the nickel alloys classification, while EN 1.6554 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is nickel 690 and the bottom bar is EN 1.6554 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 90 | |
| 230 to 280 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 3.4 to 34 | |
| 17 to 21 |
| Fatigue Strength, MPa | 180 to 300 | |
| 380 to 520 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 79 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 640 to 990 | |
| 780 to 930 |
| Tensile Strength: Yield (Proof), MPa | 250 to 760 | |
| 550 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 1010 | |
| 420 |
| 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 | |
| 40 |
| Thermal Expansion, µm/m-K | 14 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.5 | |
| 7.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.6 | |
| 8.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 3.4 |
| Density, g/cm3 | 8.3 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 1.7 |
| Embodied Energy, MJ/kg | 120 | |
| 22 |
| Embodied Water, L/kg | 290 | |
| 53 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 to 170 | |
| 140 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 to 1440 | |
| 810 to 1650 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 21 to 33 | |
| 27 to 33 |
| Strength to Weight: Bending, points | 20 to 27 | |
| 24 to 27 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 11 |
| Thermal Shock Resistance, points | 16 to 25 | |
| 23 to 27 |
Alloy Composition
| Carbon (C), % | 0 to 0.050 | |
| 0.23 to 0.28 |
| Chromium (Cr), % | 27 to 31 | |
| 0.7 to 0.9 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 to 0.3 |
| Iron (Fe), % | 7.0 to 11 | |
| 94.6 to 97.3 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0.6 to 0.9 |
| Molybdenum (Mo), % | 0 | |
| 0.2 to 0.3 |
| Nickel (Ni), % | 58 to 66 | |
| 1.0 to 2.0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.025 |
| Vanadium (V), % | 0 | |
| 0 to 0.030 |