EN 1.4903 Stainless Steel vs. Nickel 908
EN 1.4903 stainless steel belongs to the iron alloys classification, while nickel 908 belongs to the nickel alloys. They have 45% of their average alloy composition in common. There are 29 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 908.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 180 |
| Elongation at Break, % | 20 to 21 | |
| 11 |
| Fatigue Strength, MPa | 320 to 330 | |
| 450 |
| Poisson's Ratio | 0.28 | |
| 0.3 |
| Shear Modulus, GPa | 75 | |
| 70 |
| Shear Strength, MPa | 420 | |
| 800 |
| Tensile Strength: Ultimate (UTS), MPa | 670 to 680 | |
| 1340 |
| Tensile Strength: Yield (Proof), MPa | 500 | |
| 930 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 650 | |
| 920 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1430 |
| Melting Onset (Solidus), °C | 1420 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 460 |
| Thermal Conductivity, W/m-K | 26 | |
| 11 |
| Thermal Expansion, µm/m-K | 11 | |
| 8.6 |
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 | |
| 9.3 |
| Embodied Energy, MJ/kg | 36 | |
| 140 |
| Embodied Water, L/kg | 88 | |
| 170 |
Common Calculations
| PREN (Pitting Resistance) | 13 | |
| 4.2 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 650 | |
| 2340 |
| Stiffness to Weight: Axial, points | 14 | |
| 12 |
| Stiffness to Weight: Bending, points | 25 | |
| 23 |
| Strength to Weight: Axial, points | 24 | |
| 45 |
| Strength to Weight: Bending, points | 22 | |
| 33 |
| Thermal Diffusivity, mm2/s | 7.0 | |
| 2.9 |
| Thermal Shock Resistance, points | 23 | |
| 61 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.040 | |
| 0.75 to 1.3 |
| Boron (B), % | 0 | |
| 0 to 0.012 |
| Carbon (C), % | 0.080 to 0.12 | |
| 0 to 0.030 |
| Chromium (Cr), % | 8.0 to 9.5 | |
| 3.8 to 4.5 |
| Cobalt (Co), % | 0 | |
| 0 to 0.5 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 to 0.5 |
| Iron (Fe), % | 87.1 to 90.5 | |
| 35.6 to 44.6 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0.85 to 1.1 | |
| 0 |
| Nickel (Ni), % | 0 to 0.4 | |
| 47 to 51 |
| Niobium (Nb), % | 0.060 to 0.1 | |
| 2.7 to 3.3 |
| Nitrogen (N), % | 0.030 to 0.070 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.0050 |
| Titanium (Ti), % | 0 | |
| 1.2 to 1.8 |
| Vanadium (V), % | 0.18 to 0.25 | |
| 0 |