Nickel 690 vs. EN 1.1151 Steel
Nickel 690 belongs to the nickel alloys classification, while EN 1.1151 steel belongs to the iron alloys.
For each property being compared, the top bar is nickel 690 and the bottom bar is EN 1.1151 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 90 | |
| 130 to 150 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 3.4 to 34 | |
| 21 to 26 |
| Fatigue Strength, MPa | 180 to 300 | |
| 180 to 240 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 79 | |
| 73 |
| Shear Strength, MPa | 420 to 570 | |
| 300 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 640 to 990 | |
| 460 to 520 |
| Tensile Strength: Yield (Proof), MPa | 250 to 760 | |
| 240 to 340 |
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 | |
| 50 |
| Thermal Expansion, µm/m-K | 14 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.5 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.6 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 2.1 |
| Density, g/cm3 | 8.3 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 1.4 |
| Embodied Energy, MJ/kg | 120 | |
| 19 |
| Embodied Water, L/kg | 290 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 to 170 | |
| 98 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 to 1440 | |
| 160 to 310 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 21 to 33 | |
| 16 to 18 |
| Strength to Weight: Bending, points | 20 to 27 | |
| 17 to 18 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 13 |
| Thermal Shock Resistance, points | 16 to 25 | |
| 15 to 16 |
Alloy Composition
| Carbon (C), % | 0 to 0.050 | |
| 0.17 to 0.24 |
| Chromium (Cr), % | 27 to 31 | |
| 0 to 0.4 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 |
| Iron (Fe), % | 7.0 to 11 | |
| 97.7 to 99.43 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0.4 to 0.7 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 58 to 66 | |
| 0 to 0.4 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.035 |