Grade 5 Titanium vs. SAE-AISI 9310 Steel
Grade 5 titanium belongs to the titanium alloys classification, while SAE-AISI 9310 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 9310 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 8.6 to 11 | |
| 17 to 19 |
| Fatigue Strength, MPa | 530 to 630 | |
| 300 to 390 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 73 |
| Shear Strength, MPa | 600 to 710 | |
| 510 to 570 |
| Tensile Strength: Ultimate (UTS), MPa | 1000 to 1190 | |
| 820 to 910 |
| Tensile Strength: Yield (Proof), MPa | 910 to 1110 | |
| 450 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 440 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1460 |
| Melting Onset (Solidus), °C | 1650 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 560 | |
| 470 |
| Thermal Conductivity, W/m-K | 6.8 | |
| 48 |
| Thermal Expansion, µm/m-K | 8.9 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.0 | |
| 7.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.0 | |
| 8.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 4.4 |
| Density, g/cm3 | 4.4 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 38 | |
| 1.8 |
| Embodied Energy, MJ/kg | 610 | |
| 24 |
| Embodied Water, L/kg | 200 | |
| 57 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 110 | |
| 120 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3980 to 5880 | |
| 540 to 860 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 62 to 75 | |
| 29 to 32 |
| Strength to Weight: Bending, points | 50 to 56 | |
| 25 to 27 |
| Thermal Diffusivity, mm2/s | 2.7 | |
| 13 |
| Thermal Shock Resistance, points | 76 to 91 | |
| 24 to 27 |
Alloy Composition
| Aluminum (Al), % | 5.5 to 6.8 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0.080 to 0.13 |
| Chromium (Cr), % | 0 | |
| 1.0 to 1.4 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.4 | |
| 93.8 to 95.2 |
| Manganese (Mn), % | 0 | |
| 0.45 to 0.65 |
| Molybdenum (Mo), % | 0 | |
| 0.080 to 0.15 |
| Nickel (Ni), % | 0 | |
| 3.0 to 3.5 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.2 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 | |
| 0.2 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.012 |
| Titanium (Ti), % | 87.4 to 91 | |
| 0 |
| Vanadium (V), % | 3.5 to 4.5 | |
| 0 |
| Yttrium (Y), % | 0 to 0.0050 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |