Nickel 690 vs. EN 1.0225 Steel
Nickel 690 belongs to the nickel alloys classification, while EN 1.0225 steel belongs to the iron alloys.
For each property being compared, the top bar is nickel 690 and the bottom bar is EN 1.0225 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 | |
| 6.7 to 24 |
| Fatigue Strength, MPa | 180 to 300 | |
| 170 to 220 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 79 | |
| 73 |
| Shear Strength, MPa | 420 to 570 | |
| 280 to 290 |
| Tensile Strength: Ultimate (UTS), MPa | 640 to 990 | |
| 440 to 500 |
| Tensile Strength: Yield (Proof), MPa | 250 to 760 | |
| 230 to 380 |
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 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.6 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 1.8 |
| Density, g/cm3 | 8.3 | |
| 7.8 |
| 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 | |
| 31 to 95 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 to 1440 | |
| 140 to 390 |
| 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 | |
| 16 to 18 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 14 |
| Thermal Shock Resistance, points | 16 to 25 | |
| 14 to 16 |
Alloy Composition
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.21 |
| Chromium (Cr), % | 27 to 31 | |
| 0 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 |
| Iron (Fe), % | 7.0 to 11 | |
| 98 to 100 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 1.4 |
| Nickel (Ni), % | 58 to 66 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.35 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.045 |