EN 1.7216 Steel vs. Nickel 690
EN 1.7216 steel belongs to the iron alloys classification, while nickel 690 belongs to the nickel alloys.
For each property being compared, the top bar is EN 1.7216 steel and the bottom bar is nickel 690.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 280 | |
| 90 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 12 to 23 | |
| 3.4 to 34 |
| Fatigue Strength, MPa | 290 to 440 | |
| 180 to 300 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 79 |
| Shear Strength, MPa | 410 to 560 | |
| 420 to 570 |
| Tensile Strength: Ultimate (UTS), MPa | 650 to 930 | |
| 640 to 990 |
| Tensile Strength: Yield (Proof), MPa | 400 to 690 | |
| 250 to 760 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 320 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 1010 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1380 |
| Melting Onset (Solidus), °C | 1420 | |
| 1340 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 46 | |
| 14 |
| Thermal Expansion, µm/m-K | 13 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 1.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 1.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 50 |
| Density, g/cm3 | 7.8 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 8.2 |
| Embodied Energy, MJ/kg | 20 | |
| 120 |
| Embodied Water, L/kg | 50 | |
| 290 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 130 | |
| 31 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 430 to 1280 | |
| 160 to 1440 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 23 to 33 | |
| 21 to 33 |
| Strength to Weight: Bending, points | 21 to 27 | |
| 20 to 27 |
| Thermal Diffusivity, mm2/s | 12 | |
| 3.5 |
| Thermal Shock Resistance, points | 19 to 27 | |
| 16 to 25 |
Alloy Composition
| Carbon (C), % | 0.27 to 0.34 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0.8 to 1.2 | |
| 27 to 31 |
| Copper (Cu), % | 0 | |
| 0 to 0.5 |
| Iron (Fe), % | 97.2 to 98.4 | |
| 7.0 to 11 |
| Manganese (Mn), % | 0.35 to 0.6 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0.15 to 0.3 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 58 to 66 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.035 | |
| 0 to 0.015 |