Grade 29 Titanium vs. AISI W2 Steel
Grade 29 titanium belongs to the titanium alloys classification, while AISI W2 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is grade 29 titanium and the bottom bar is AISI W2 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 930 to 940 | |
| 580 to 2400 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 250 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1450 |
| Melting Onset (Solidus), °C | 1560 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 560 | |
| 470 |
| Thermal Conductivity, W/m-K | 7.3 | |
| 45 |
| Thermal Expansion, µm/m-K | 9.3 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.0 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.0 | |
| 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 | 39 | |
| 2.0 |
| Embodied Energy, MJ/kg | 640 | |
| 29 |
| Embodied Water, L/kg | 410 | |
| 48 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 58 to 59 | |
| 21 to 86 |
| Strength to Weight: Bending, points | 47 to 48 | |
| 20 to 51 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 12 |
| Thermal Shock Resistance, points | 68 to 69 | |
| 19 to 80 |
Alloy Composition
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| Aluminum (Al), % | 5.5 to 6.5 | |
| 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 0.13 | |
| 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), % | 88 to 90.9 | |
| 0 |
| Tungsten (W), % | 0 | |
| 0 to 0.15 |
| Vanadium (V), % | 3.5 to 4.5 | |
| 0.15 to 0.35 |
| Residuals, % | 0 to 0.4 | |
| 0 |