Grade 1 Titanium vs. SAE-AISI M48 Steel
Grade 1 titanium belongs to the titanium alloys classification, while SAE-AISI M48 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is grade 1 titanium and the bottom bar is SAE-AISI M48 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 39 | |
| 78 |
| Tensile Strength: Ultimate (UTS), MPa | 310 | |
| 890 to 2390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 260 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1670 |
| Melting Onset (Solidus), °C | 1610 | |
| 1620 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 420 |
| Thermal Expansion, µm/m-K | 8.8 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 48 |
| Density, g/cm3 | 4.5 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 31 | |
| 13 |
| Embodied Energy, MJ/kg | 510 | |
| 190 |
| Embodied Water, L/kg | 110 | |
| 160 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 22 |
| Strength to Weight: Axial, points | 19 | |
| 28 to 76 |
| Strength to Weight: Bending, points | 23 | |
| 23 to 45 |
| Thermal Shock Resistance, points | 24 | |
| 26 to 71 |
Alloy Composition
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| Carbon (C), % | 0 to 0.080 | |
| 1.4 to 1.5 |
| Chromium (Cr), % | 0 | |
| 3.5 to 4.0 |
| Cobalt (Co), % | 0 | |
| 8.0 to 10 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 63.8 to 69.8 |
| Manganese (Mn), % | 0 | |
| 0.15 to 0.4 |
| Molybdenum (Mo), % | 0 | |
| 4.8 to 5.5 |
| Nickel (Ni), % | 0 | |
| 0 to 0.3 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.18 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.4 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 99.095 to 100 | |
| 0 |
| Tungsten (W), % | 0 | |
| 9.5 to 10.5 |
| Vanadium (V), % | 0 | |
| 2.8 to 3.3 |
| Residuals, % | 0 to 0.4 | |
| 0 |