Nickel 690 vs. EN 1.1127 Steel
Nickel 690 belongs to the nickel alloys classification, while EN 1.1127 steel belongs to the iron alloys.
For each property being compared, the top bar is nickel 690 and the bottom bar is EN 1.1127 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 90 | |
| 190 to 230 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 3.4 to 34 | |
| 14 to 25 |
| Fatigue Strength, MPa | 180 to 300 | |
| 280 to 370 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 79 | |
| 73 |
| Shear Strength, MPa | 420 to 570 | |
| 420 to 480 |
| Tensile Strength: Ultimate (UTS), MPa | 640 to 990 | |
| 660 to 790 |
| Tensile Strength: Yield (Proof), MPa | 250 to 760 | |
| 410 to 580 |
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 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 14 | |
| 49 |
| Thermal Expansion, µm/m-K | 14 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.5 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.6 | |
| 8.4 |
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 | |
| 1.5 |
| Embodied Energy, MJ/kg | 120 | |
| 19 |
| Embodied Water, L/kg | 290 | |
| 49 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 to 170 | |
| 90 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 to 1440 | |
| 440 to 880 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 21 to 33 | |
| 23 to 28 |
| Strength to Weight: Bending, points | 20 to 27 | |
| 22 to 24 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 13 |
| Thermal Shock Resistance, points | 16 to 25 | |
| 21 to 25 |
Alloy Composition
| Carbon (C), % | 0 to 0.050 | |
| 0.34 to 0.42 |
| Chromium (Cr), % | 27 to 31 | |
| 0 to 0.4 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 |
| Iron (Fe), % | 7.0 to 11 | |
| 96.6 to 98.1 |
| Manganese (Mn), % | 0 to 0.5 | |
| 1.4 to 1.7 |
| 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 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.035 |