Nickel 684 vs. EN 1.0434 Steel
Nickel 684 belongs to the nickel alloys classification, while EN 1.0434 steel belongs to the iron alloys. There are 28 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 nickel 684 and the bottom bar is EN 1.0434 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 310 | |
| 110 to 160 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 11 | |
| 12 to 28 |
| Fatigue Strength, MPa | 390 | |
| 190 to 300 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 17 | |
| 64 to 74 |
| Shear Modulus, GPa | 76 | |
| 73 |
| Shear Strength, MPa | 710 | |
| 280 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 1190 | |
| 390 to 540 |
| Tensile Strength: Yield (Proof), MPa | 800 | |
| 250 to 450 |
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 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 1.8 |
| Density, g/cm3 | 8.3 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 1.4 |
| Embodied Energy, MJ/kg | 140 | |
| 18 |
| Embodied Water, L/kg | 360 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 | |
| 39 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1610 | |
| 170 to 540 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 40 | |
| 14 to 19 |
| Strength to Weight: Bending, points | 30 | |
| 15 to 19 |
| Thermal Shock Resistance, points | 34 | |
| 12 to 17 |
Alloy Composition
| Aluminum (Al), % | 2.5 to 3.3 | |
| 0.020 to 0.060 |
| Boron (B), % | 0.0030 to 0.010 | |
| 0 |
| Carbon (C), % | 0 to 0.15 | |
| 0.15 to 0.19 |
| Chromium (Cr), % | 15 to 20 | |
| 0 |
| Cobalt (Co), % | 13 to 20 | |
| 0 |
| Copper (Cu), % | 0 to 0.15 | |
| 0 |
| Iron (Fe), % | 0 to 4.0 | |
| 98.8 to 99.18 |
| Manganese (Mn), % | 0 to 0.75 | |
| 0.65 to 0.85 |
| 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 0.1 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.025 |
| Titanium (Ti), % | 2.5 to 3.3 | |
| 0 |