SAE-AISI T15 Steel vs. Grade 23 Titanium
SAE-AISI T15 steel belongs to the iron alloys classification, while grade 23 titanium belongs to the titanium alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI T15 steel and the bottom bar is grade 23 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 76 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 2240 | |
| 930 to 940 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 410 |
| Melting Completion (Liquidus), °C | 1690 | |
| 1610 |
| Melting Onset (Solidus), °C | 1640 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 430 | |
| 560 |
| Thermal Conductivity, W/m-K | 21 | |
| 7.1 |
| Thermal Expansion, µm/m-K | 12 | |
| 9.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 43 | |
| 36 |
| Density, g/cm3 | 8.7 | |
| 4.4 |
| Embodied Carbon, kg CO2/kg material | 16 | |
| 38 |
| Embodied Energy, MJ/kg | 250 | |
| 610 |
| Embodied Water, L/kg | 140 | |
| 200 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 22 | |
| 35 |
| Strength to Weight: Axial, points | 26 to 71 | |
| 58 to 59 |
| Strength to Weight: Bending, points | 22 to 43 | |
| 48 |
| Thermal Diffusivity, mm2/s | 5.6 | |
| 2.9 |
| Thermal Shock Resistance, points | 26 to 70 | |
| 67 to 68 |
Alloy Composition
Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 460
| Aluminum (Al), % | 0 | |
| 5.5 to 6.5 |
| Carbon (C), % | 1.5 to 1.6 | |
| 0 to 0.080 |
| Chromium (Cr), % | 3.8 to 5.0 | |
| 0 |
| Cobalt (Co), % | 4.8 to 5.3 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.013 |
| Iron (Fe), % | 67.5 to 73.5 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0.15 to 0.4 | |
| 0 |
| Molybdenum (Mo), % | 0 to 1.0 | |
| 0 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.13 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0.15 to 0.4 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 88.1 to 91 |
| Tungsten (W), % | 11.8 to 13 | |
| 0 |
| Vanadium (V), % | 4.5 to 5.3 | |
| 3.5 to 4.5 |
| Residuals, % | 0 | |
| 0 to 0.4 |