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