Nickel 684 vs. EN 1.5538 Steel
Nickel 684 belongs to the nickel alloys classification, while EN 1.5538 steel belongs to the iron alloys. There are 22 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 1.5538 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 310 | |
| 160 to 190 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 17 | |
| 64 to 69 |
| Shear Modulus, GPa | 76 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 1190 | |
| 530 to 1810 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 1000 | |
| 400 |
| Melting Completion (Liquidus), °C | 1370 | |
| 1460 |
| Melting Onset (Solidus), °C | 1320 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 2.0 |
| Density, g/cm3 | 8.3 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 1.4 |
| Embodied Energy, MJ/kg | 140 | |
| 19 |
| Embodied Water, L/kg | 360 | |
| 48 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 40 | |
| 19 to 64 |
| Strength to Weight: Bending, points | 30 | |
| 19 to 42 |
| Thermal Shock Resistance, points | 34 | |
| 16 to 53 |
Alloy Composition
| Aluminum (Al), % | 2.5 to 3.3 | |
| 0 |
| Boron (B), % | 0.0030 to 0.010 | |
| 0.00080 to 0.0050 |
| Carbon (C), % | 0 to 0.15 | |
| 0.35 to 0.4 |
| Chromium (Cr), % | 15 to 20 | |
| 0 to 0.3 |
| Cobalt (Co), % | 13 to 20 | |
| 0 |
| Copper (Cu), % | 0 to 0.15 | |
| 0 to 0.25 |
| Iron (Fe), % | 0 to 4.0 | |
| 97.2 to 98.5 |
| Manganese (Mn), % | 0 to 0.75 | |
| 1.2 to 1.5 |
| Molybdenum (Mo), % | 3.0 to 5.0 | |
| 0 |
| Nickel (Ni), % | 42.7 to 64 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.025 |
| Titanium (Ti), % | 2.5 to 3.3 | |
| 0 |