SAE-AISI M48 Steel vs. Grade 23 Titanium
SAE-AISI M48 steel belongs to the iron alloys classification, while grade 23 titanium belongs to the titanium 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 SAE-AISI M48 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 | 78 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 2390 | |
| 930 to 940 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 410 |
| Melting Completion (Liquidus), °C | 1670 | |
| 1610 |
| Melting Onset (Solidus), °C | 1620 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 420 | |
| 560 |
| Thermal Expansion, µm/m-K | 12 | |
| 9.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 48 | |
| 36 |
| Density, g/cm3 | 8.7 | |
| 4.4 |
| Embodied Carbon, kg CO2/kg material | 13 | |
| 38 |
| Embodied Energy, MJ/kg | 190 | |
| 610 |
| Embodied Water, L/kg | 160 | |
| 200 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 22 | |
| 35 |
| Strength to Weight: Axial, points | 28 to 76 | |
| 58 to 59 |
| Strength to Weight: Bending, points | 23 to 45 | |
| 48 |
| Thermal Shock Resistance, points | 26 to 71 | |
| 67 to 68 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 5.5 to 6.5 |
| Carbon (C), % | 1.4 to 1.5 | |
| 0 to 0.080 |
| Chromium (Cr), % | 3.5 to 4.0 | |
| 0 |
| Cobalt (Co), % | 8.0 to 10 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.013 |
| Iron (Fe), % | 63.8 to 69.8 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0.15 to 0.4 | |
| 0 |
| Molybdenum (Mo), % | 4.8 to 5.5 | |
| 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), % | 9.5 to 10.5 | |
| 0 |
| Vanadium (V), % | 2.8 to 3.3 | |
| 3.5 to 4.5 |
| Residuals, % | 0 | |
| 0 to 0.4 |