Nickel 693 vs. EN 1.4401 Stainless Steel
Nickel 693 belongs to the nickel alloys classification, while EN 1.4401 stainless steel belongs to the iron alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is nickel 693 and the bottom bar is EN 1.4401 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 34 | |
| 14 to 40 |
| Fatigue Strength, MPa | 230 | |
| 200 to 320 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 78 |
| Shear Strength, MPa | 440 | |
| 410 to 550 |
| Tensile Strength: Ultimate (UTS), MPa | 660 | |
| 600 to 900 |
| Tensile Strength: Yield (Proof), MPa | 310 | |
| 230 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 1010 | |
| 950 |
| Melting Completion (Liquidus), °C | 1350 | |
| 1440 |
| Melting Onset (Solidus), °C | 1310 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 9.1 | |
| 15 |
| Thermal Expansion, µm/m-K | 13 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 60 | |
| 19 |
| Density, g/cm3 | 8.1 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 9.9 | |
| 3.8 |
| Embodied Energy, MJ/kg | 140 | |
| 52 |
| Embodied Water, L/kg | 320 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 190 | |
| 110 to 190 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 | |
| 130 to 800 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 23 | |
| 21 to 32 |
| Strength to Weight: Bending, points | 21 | |
| 20 to 26 |
| Thermal Diffusivity, mm2/s | 2.3 | |
| 4.0 |
| Thermal Shock Resistance, points | 19 | |
| 13 to 20 |
Alloy Composition
| Aluminum (Al), % | 2.5 to 4.0 | |
| 0 |
| Carbon (C), % | 0 to 0.15 | |
| 0 to 0.070 |
| Chromium (Cr), % | 27 to 31 | |
| 16.5 to 18.5 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 |
| Iron (Fe), % | 2.5 to 6.0 | |
| 62.8 to 71.5 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 2.0 to 2.5 |
| Nickel (Ni), % | 53.3 to 67.5 | |
| 10 to 13 |
| Niobium (Nb), % | 0.5 to 2.5 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 to 1.0 | |
| 0 |