EN 1.4401 Stainless Steel vs. Nickel 908
EN 1.4401 stainless steel belongs to the iron alloys classification, while nickel 908 belongs to the nickel alloys. They have 57% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is EN 1.4401 stainless steel and the bottom bar is nickel 908.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 180 |
| Elongation at Break, % | 14 to 40 | |
| 11 |
| Fatigue Strength, MPa | 200 to 320 | |
| 450 |
| Poisson's Ratio | 0.28 | |
| 0.3 |
| Shear Modulus, GPa | 78 | |
| 70 |
| Shear Strength, MPa | 410 to 550 | |
| 800 |
| Tensile Strength: Ultimate (UTS), MPa | 600 to 900 | |
| 1340 |
| Tensile Strength: Yield (Proof), MPa | 230 to 570 | |
| 930 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 950 | |
| 920 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1430 |
| Melting Onset (Solidus), °C | 1400 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 460 |
| Thermal Conductivity, W/m-K | 15 | |
| 11 |
| Thermal Expansion, µm/m-K | 16 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 19 | |
| 50 |
| Density, g/cm3 | 7.9 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 3.8 | |
| 9.3 |
| Embodied Energy, MJ/kg | 52 | |
| 140 |
| Embodied Water, L/kg | 150 | |
| 170 |
Common Calculations
| PREN (Pitting Resistance) | 26 | |
| 4.2 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 190 | |
| 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 800 | |
| 2340 |
| Stiffness to Weight: Axial, points | 14 | |
| 12 |
| Stiffness to Weight: Bending, points | 25 | |
| 23 |
| Strength to Weight: Axial, points | 21 to 32 | |
| 45 |
| Strength to Weight: Bending, points | 20 to 26 | |
| 33 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 2.9 |
| Thermal Shock Resistance, points | 13 to 20 | |
| 61 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0.75 to 1.3 |
| Boron (B), % | 0 | |
| 0 to 0.012 |
| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.030 |
| Chromium (Cr), % | 16.5 to 18.5 | |
| 3.8 to 4.5 |
| Cobalt (Co), % | 0 | |
| 0 to 0.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.5 |
| Iron (Fe), % | 62.8 to 71.5 | |
| 35.6 to 44.6 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 2.0 to 2.5 | |
| 0 |
| Nickel (Ni), % | 10 to 13 | |
| 47 to 51 |
| Niobium (Nb), % | 0 | |
| 2.7 to 3.3 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.0050 |
| Titanium (Ti), % | 0 | |
| 1.2 to 1.8 |