EN 1.6579 Steel vs. Nickel 690
EN 1.6579 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 (3, in this case) are not shown.
For each property being compared, the top bar is EN 1.6579 steel and the bottom bar is nickel 690.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 260 to 290 | |
| 90 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 11 to 14 | |
| 3.4 to 34 |
| Fatigue Strength, MPa | 380 to 570 | |
| 180 to 300 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 79 |
| Tensile Strength: Ultimate (UTS), MPa | 850 to 980 | |
| 640 to 990 |
| Tensile Strength: Yield (Proof), MPa | 600 to 910 | |
| 250 to 760 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 320 |
| Maximum Temperature: Mechanical, °C | 440 | |
| 1010 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1380 |
| Melting Onset (Solidus), °C | 1410 | |
| 1340 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 39 | |
| 14 |
| Thermal Expansion, µm/m-K | 13 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.7 | |
| 1.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.8 | |
| 1.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.7 | |
| 50 |
| Density, g/cm3 | 7.8 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 8.2 |
| Embodied Energy, MJ/kg | 22 | |
| 120 |
| Embodied Water, L/kg | 56 | |
| 290 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 120 | |
| 31 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 950 to 2210 | |
| 160 to 1440 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 30 to 35 | |
| 21 to 33 |
| Strength to Weight: Bending, points | 25 to 28 | |
| 20 to 27 |
| Thermal Diffusivity, mm2/s | 11 | |
| 3.5 |
| Thermal Shock Resistance, points | 25 to 29 | |
| 16 to 25 |
Alloy Composition
| Carbon (C), % | 0.32 to 0.38 | |
| 0 to 0.050 |
| Chromium (Cr), % | 1.4 to 1.7 | |
| 27 to 31 |
| Copper (Cu), % | 0 | |
| 0 to 0.5 |
| Iron (Fe), % | 94.2 to 96.1 | |
| 7.0 to 11 |
| Manganese (Mn), % | 0.6 to 1.0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0.15 to 0.35 | |
| 0 |
| Nickel (Ni), % | 1.4 to 1.7 | |
| 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 |