Nickel 718 vs. Type 4 Magnetic Alloy
Both nickel 718 and Type 4 magnetic alloy are nickel alloys. They have 70% 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 nickel 718 and the bottom bar is Type 4 magnetic alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 12 to 50 | |
| 2.0 to 40 |
| Fatigue Strength, MPa | 460 to 760 | |
| 220 to 400 |
| Poisson's Ratio | 0.29 | |
| 0.31 |
| Shear Modulus, GPa | 75 | |
| 73 |
| Shear Strength, MPa | 660 to 950 | |
| 420 to 630 |
| Tensile Strength: Ultimate (UTS), MPa | 930 to 1530 | |
| 620 to 1100 |
| Tensile Strength: Yield (Proof), MPa | 510 to 1330 | |
| 270 to 1040 |
Thermal Properties
| Curie Temperature, °C | -110 | |
| 460 |
| Latent Heat of Fusion, J/g | 310 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 980 | |
| 900 |
| Melting Completion (Liquidus), °C | 1340 | |
| 1420 |
| Melting Onset (Solidus), °C | 1260 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 440 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.4 | |
| 2.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.5 | |
| 3.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 60 |
| Density, g/cm3 | 8.3 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 13 | |
| 10 |
| Embodied Energy, MJ/kg | 190 | |
| 140 |
| Embodied Water, L/kg | 250 | |
| 210 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 390 | |
| 22 to 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 660 to 4560 | |
| 190 to 2840 |
| Stiffness to Weight: Axial, points | 13 | |
| 12 |
| Stiffness to Weight: Bending, points | 23 | |
| 22 |
| Strength to Weight: Axial, points | 31 to 51 | |
| 19 to 35 |
| Strength to Weight: Bending, points | 25 to 35 | |
| 18 to 27 |
| Thermal Shock Resistance, points | 27 to 44 | |
| 21 to 37 |
Alloy Composition
| Aluminum (Al), % | 0.2 to 0.8 | |
| 0 |
| Boron (B), % | 0 to 0.0060 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.050 |
| Chromium (Cr), % | 17 to 21 | |
| 0 to 0.3 |
| Cobalt (Co), % | 0 to 1.0 | |
| 0 to 0.5 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 to 0.3 |
| Iron (Fe), % | 11.1 to 24.6 | |
| 9.5 to 17.5 |
| Manganese (Mn), % | 0 to 0.35 | |
| 0 to 0.8 |
| Molybdenum (Mo), % | 2.8 to 3.3 | |
| 3.5 to 6.0 |
| Nickel (Ni), % | 50 to 55 | |
| 79 to 82 |
| Niobium (Nb), % | 4.8 to 5.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.020 |
| Titanium (Ti), % | 0.65 to 1.2 | |
| 0 |