Type 4 Magnetic Alloy vs. Grade 18 Titanium
Type 4 magnetic alloy belongs to the nickel alloys classification, while grade 18 titanium belongs to the titanium alloys. There are 27 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 grade 18 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 2.0 to 40 | |
| 11 to 17 |
| Fatigue Strength, MPa | 220 to 400 | |
| 330 to 480 |
| Poisson's Ratio | 0.31 | |
| 0.32 |
| Shear Modulus, GPa | 73 | |
| 40 |
| Shear Strength, MPa | 420 to 630 | |
| 420 to 590 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 1100 | |
| 690 to 980 |
| Tensile Strength: Yield (Proof), MPa | 270 to 1040 | |
| 540 to 810 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 900 | |
| 330 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1640 |
| Melting Onset (Solidus), °C | 1370 | |
| 1590 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 550 |
| Thermal Expansion, µm/m-K | 11 | |
| 9.9 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 1.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.0 | |
| 2.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.8 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 41 |
| Embodied Energy, MJ/kg | 140 | |
| 670 |
| Embodied Water, L/kg | 210 | |
| 270 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 22 to 200 | |
| 87 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 to 2840 | |
| 1380 to 3110 |
| Stiffness to Weight: Axial, points | 12 | |
| 13 |
| Stiffness to Weight: Bending, points | 22 | |
| 35 |
| Strength to Weight: Axial, points | 19 to 35 | |
| 43 to 61 |
| Strength to Weight: Bending, points | 18 to 27 | |
| 39 to 49 |
| Thermal Shock Resistance, points | 21 to 37 | |
| 47 to 67 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 to 0.3 | |
| 0 |
| Cobalt (Co), % | 0 to 0.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 9.5 to 17.5 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0 to 0.8 | |
| 0 |
| Molybdenum (Mo), % | 3.5 to 6.0 | |
| 0 |
| Nickel (Ni), % | 79 to 82 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.15 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 92.5 to 95.5 |
| Vanadium (V), % | 0 | |
| 2.0 to 3.0 |
| Residuals, % | 0 | |
| 0 to 0.4 |