EN 1.4903 Stainless Steel vs. Nickel 690
EN 1.4903 stainless 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 (4, in this case) are not shown.
For each property being compared, the top bar is EN 1.4903 stainless steel and the bottom bar is nickel 690.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 20 to 21 | |
| 3.4 to 34 |
| Fatigue Strength, MPa | 320 to 330 | |
| 180 to 300 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 75 | |
| 79 |
| Shear Strength, MPa | 420 | |
| 420 to 570 |
| Tensile Strength: Ultimate (UTS), MPa | 670 to 680 | |
| 640 to 990 |
| Tensile Strength: Yield (Proof), MPa | 500 | |
| 250 to 760 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 320 |
| Maximum Temperature: Mechanical, °C | 650 | |
| 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 | 26 | |
| 14 |
| Thermal Expansion, µm/m-K | 11 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.4 | |
| 1.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 4.0 | |
| 1.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.0 | |
| 50 |
| Density, g/cm3 | 7.8 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 8.2 |
| Embodied Energy, MJ/kg | 36 | |
| 120 |
| Embodied Water, L/kg | 88 | |
| 290 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 31 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 650 | |
| 160 to 1440 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 24 | |
| 21 to 33 |
| Strength to Weight: Bending, points | 22 | |
| 20 to 27 |
| Thermal Diffusivity, mm2/s | 7.0 | |
| 3.5 |
| Thermal Shock Resistance, points | 23 | |
| 16 to 25 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.040 | |
| 0 |
| Carbon (C), % | 0.080 to 0.12 | |
| 0 to 0.050 |
| Chromium (Cr), % | 8.0 to 9.5 | |
| 27 to 31 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 to 0.5 |
| Iron (Fe), % | 87.1 to 90.5 | |
| 7.0 to 11 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0.85 to 1.1 | |
| 0 |
| Nickel (Ni), % | 0 to 0.4 | |
| 58 to 66 |
| Niobium (Nb), % | 0.060 to 0.1 | |
| 0 |
| Nitrogen (N), % | 0.030 to 0.070 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |
| Vanadium (V), % | 0.18 to 0.25 | |
| 0 |