Grade 5 Titanium vs. SAE-AISI D3 Steel
Grade 5 titanium belongs to the titanium alloys classification, while SAE-AISI D3 steel belongs to the iron alloys. There are 28 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 5 titanium and the bottom bar is SAE-AISI D3 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 8.6 to 11 | |
| 9.8 to 15 |
| Fatigue Strength, MPa | 530 to 630 | |
| 310 to 940 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 40 | |
| 74 |
| Shear Strength, MPa | 600 to 710 | |
| 470 to 1220 |
| Tensile Strength: Ultimate (UTS), MPa | 1000 to 1190 | |
| 770 to 2050 |
| Tensile Strength: Yield (Proof), MPa | 910 to 1110 | |
| 480 to 1550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 270 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1430 |
| Melting Onset (Solidus), °C | 1650 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 560 | |
| 480 |
| Thermal Conductivity, W/m-K | 6.8 | |
| 31 |
| Thermal Expansion, µm/m-K | 8.9 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.0 | |
| 3.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.0 | |
| 3.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 8.0 |
| Density, g/cm3 | 4.4 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 38 | |
| 3.2 |
| Embodied Energy, MJ/kg | 610 | |
| 48 |
| Embodied Water, L/kg | 200 | |
| 100 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 110 | |
| 97 to 180 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 35 | |
| 25 |
| Strength to Weight: Axial, points | 62 to 75 | |
| 28 to 74 |
| Strength to Weight: Bending, points | 50 to 56 | |
| 24 to 47 |
| Thermal Diffusivity, mm2/s | 2.7 | |
| 8.3 |
| Thermal Shock Resistance, points | 76 to 91 | |
| 23 to 63 |
Alloy Composition
| Aluminum (Al), % | 5.5 to 6.8 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 2.0 to 2.4 |
| Chromium (Cr), % | 0 | |
| 11 to 13.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.4 | |
| 80.3 to 87 |
| Manganese (Mn), % | 0 | |
| 0 to 0.6 |
| Nickel (Ni), % | 0 | |
| 0 to 0.3 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.2 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 87.4 to 91 | |
| 0 |
| Tungsten (W), % | 0 | |
| 0 to 1.0 |
| Vanadium (V), % | 3.5 to 4.5 | |
| 0 to 1.0 |
| Yttrium (Y), % | 0 to 0.0050 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |