EN 1.7230 Steel vs. Nickel 690
EN 1.7230 steel belongs to the iron alloys classification, while nickel 690 belongs to the nickel 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 EN 1.7230 steel and the bottom bar is nickel 690.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 to 270 | |
| 90 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 11 to 12 | |
| 3.4 to 34 |
| Fatigue Strength, MPa | 320 to 460 | |
| 180 to 300 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 79 |
| Tensile Strength: Ultimate (UTS), MPa | 720 to 910 | |
| 640 to 990 |
| Tensile Strength: Yield (Proof), MPa | 510 to 740 | |
| 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 | 44 | |
| 14 |
| Thermal Expansion, µm/m-K | 13 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 1.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 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 | 51 | |
| 290 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 79 to 97 | |
| 31 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 700 to 1460 | |
| 160 to 1440 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 26 to 32 | |
| 21 to 33 |
| Strength to Weight: Bending, points | 23 to 27 | |
| 20 to 27 |
| Thermal Diffusivity, mm2/s | 12 | |
| 3.5 |
| Thermal Shock Resistance, points | 21 to 27 | |
| 16 to 25 |
Alloy Composition
| Carbon (C), % | 0.3 to 0.37 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0.8 to 1.2 | |
| 27 to 31 |
| Copper (Cu), % | 0 | |
| 0 to 0.5 |
| Iron (Fe), % | 96.7 to 98.3 | |
| 7.0 to 11 |
| Manganese (Mn), % | 0.5 to 0.8 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0.15 to 0.3 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 58 to 66 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |