R58150 Titanium vs. SAE-AISI A8 Steel
R58150 titanium belongs to the titanium alloys classification, while SAE-AISI A8 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is R58150 titanium and the bottom bar is SAE-AISI A8 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 190 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 52 | |
| 74 |
| Tensile Strength: Ultimate (UTS), MPa | 770 | |
| 700 to 1920 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 270 |
| Melting Completion (Liquidus), °C | 1760 | |
| 1480 |
| Melting Onset (Solidus), °C | 1700 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 500 | |
| 470 |
| Thermal Expansion, µm/m-K | 8.4 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 48 | |
| 8.5 |
| Density, g/cm3 | 5.4 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 31 | |
| 2.3 |
| Embodied Energy, MJ/kg | 480 | |
| 31 |
| Embodied Water, L/kg | 150 | |
| 73 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 32 | |
| 24 |
| Strength to Weight: Axial, points | 40 | |
| 25 to 68 |
| Strength to Weight: Bending, points | 35 | |
| 22 to 44 |
| Thermal Shock Resistance, points | 48 | |
| 22 to 62 |
Alloy Composition
| Carbon (C), % | 0 to 0.1 | |
| 0.5 to 0.6 |
| Chromium (Cr), % | 0 | |
| 4.8 to 5.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.1 | |
| 88.5 to 91.9 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 14 to 16 | |
| 1.2 to 1.7 |
| 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 | |
| 0.75 to 1.1 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 83.5 to 86 | |
| 0 |
| Tungsten (W), % | 0 | |
| 1.0 to 1.5 |