Nickel 684 vs. EN 1.4107 Stainless Steel
Nickel 684 belongs to the nickel alloys classification, while EN 1.4107 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is nickel 684 and the bottom bar is EN 1.4107 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 11 | |
| 18 to 21 |
| Fatigue Strength, MPa | 390 | |
| 260 to 350 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 1190 | |
| 620 to 700 |
| Tensile Strength: Yield (Proof), MPa | 800 | |
| 400 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 1000 | |
| 740 |
| Melting Completion (Liquidus), °C | 1370 | |
| 1450 |
| Melting Onset (Solidus), °C | 1320 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Expansion, µm/m-K | 13 | |
| 10 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 7.5 |
| Density, g/cm3 | 8.3 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 2.1 |
| Embodied Energy, MJ/kg | 140 | |
| 30 |
| Embodied Water, L/kg | 360 | |
| 100 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1610 | |
| 420 to 840 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 40 | |
| 22 to 25 |
| Strength to Weight: Bending, points | 30 | |
| 21 to 22 |
| Thermal Shock Resistance, points | 34 | |
| 22 to 25 |
Alloy Composition
| Aluminum (Al), % | 2.5 to 3.3 | |
| 0 |
| Boron (B), % | 0.0030 to 0.010 | |
| 0 |
| Carbon (C), % | 0 to 0.15 | |
| 0 to 0.1 |
| Chromium (Cr), % | 15 to 20 | |
| 11.5 to 12.5 |
| Cobalt (Co), % | 13 to 20 | |
| 0 |
| Copper (Cu), % | 0 to 0.15 | |
| 0 to 0.3 |
| Iron (Fe), % | 0 to 4.0 | |
| 83.8 to 87.2 |
| Manganese (Mn), % | 0 to 0.75 | |
| 0.5 to 0.8 |
| Molybdenum (Mo), % | 3.0 to 5.0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 42.7 to 64 | |
| 0.8 to 1.5 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.020 |
| Titanium (Ti), % | 2.5 to 3.3 | |
| 0 |
| Vanadium (V), % | 0 | |
| 0 to 0.080 |