Grade 20 Titanium vs. Type 4 Magnetic Alloy
Grade 20 titanium belongs to the titanium alloys classification, while Type 4 magnetic alloy belongs to the nickel alloys. There are 25 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 grade 20 titanium and the bottom bar is Type 4 magnetic alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Elongation at Break, % | 5.7 to 17 | |
| 2.0 to 40 |
| Fatigue Strength, MPa | 550 to 630 | |
| 220 to 400 |
| Poisson's Ratio | 0.32 | |
| 0.31 |
| Shear Modulus, GPa | 47 | |
| 73 |
| Shear Strength, MPa | 560 to 740 | |
| 420 to 630 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 1270 | |
| 620 to 1100 |
| Tensile Strength: Yield (Proof), MPa | 850 to 1190 | |
| 270 to 1040 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 370 | |
| 900 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1420 |
| Melting Onset (Solidus), °C | 1600 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 440 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 11 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.0 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 52 | |
| 10 |
| Embodied Energy, MJ/kg | 860 | |
| 140 |
| Embodied Water, L/kg | 350 | |
| 210 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 150 | |
| 22 to 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2940 to 5760 | |
| 190 to 2840 |
| Stiffness to Weight: Axial, points | 14 | |
| 12 |
| Stiffness to Weight: Bending, points | 33 | |
| 22 |
| Strength to Weight: Axial, points | 50 to 70 | |
| 19 to 35 |
| Strength to Weight: Bending, points | 41 to 52 | |
| 18 to 27 |
| Thermal Shock Resistance, points | 55 to 77 | |
| 21 to 37 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 4.0 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.050 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 0 to 0.3 |
| Cobalt (Co), % | 0 | |
| 0 to 0.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 9.5 to 17.5 |
| Manganese (Mn), % | 0 | |
| 0 to 0.8 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 3.5 to 6.0 |
| Nickel (Ni), % | 0 | |
| 79 to 82 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.12 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Titanium (Ti), % | 71 to 77 | |
| 0 |
| Vanadium (V), % | 7.5 to 8.5 | |
| 0 |
| Zirconium (Zr), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |