Annealed Grade 28 Titanium vs. Annealed AISI W2
Annealed grade 28 titanium belongs to the titanium alloys classification, while annealed AISI W2 belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is annealed grade 28 titanium and the bottom bar is annealed AISI W2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 17 | |
| 22 |
| Fatigue Strength, MPa | 350 | |
| 240 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 72 |
| Shear Strength, MPa | 440 | |
| 370 |
| Tensile Strength: Ultimate (UTS), MPa | 710 | |
| 580 |
| Tensile Strength: Yield (Proof), MPa | 540 | |
| 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 250 |
| Melting Completion (Liquidus), °C | 1640 | |
| 1450 |
| Melting Onset (Solidus), °C | 1590 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 470 |
| Thermal Conductivity, W/m-K | 8.3 | |
| 45 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.3 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 2.3 |
| Density, g/cm3 | 4.5 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 37 | |
| 2.0 |
| Embodied Energy, MJ/kg | 600 | |
| 29 |
| Embodied Water, L/kg | 370 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1370 | |
| 320 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 44 | |
| 21 |
| Strength to Weight: Bending, points | 39 | |
| 20 |
| Thermal Diffusivity, mm2/s | 3.4 | |
| 12 |
| Thermal Shock Resistance, points | 48 | |
| 19 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0.85 to 1.5 |
| Chromium (Cr), % | 0 | |
| 0 to 0.15 |
| Copper (Cu), % | 0 | |
| 0 to 0.2 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 96.2 to 98.6 |
| Manganese (Mn), % | 0 | |
| 0.35 to 0.74 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 | |
| 0 to 0.2 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.15 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Ruthenium (Ru), % | 0.080 to 0.14 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0.1 to 0.4 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Titanium (Ti), % | 92.4 to 95.4 | |
| 0 |
| Tungsten (W), % | 0 | |
| 0 to 0.15 |
| Vanadium (V), % | 2.0 to 3.0 | |
| 0.15 to 0.35 |
| Residuals, % | 0 to 0.4 | |
| 0 |