SAE-AISI A8 Steel vs. Titanium 6-2-4-2
SAE-AISI A8 steel belongs to the iron alloys classification, while titanium 6-2-4-2 belongs to the titanium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI A8 steel and the bottom bar is titanium 6-2-4-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 74 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 700 to 1920 | |
| 950 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 400 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1590 |
| Melting Onset (Solidus), °C | 1430 | |
| 1540 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 540 |
| Thermal Conductivity, W/m-K | 37 | |
| 6.9 |
| Thermal Expansion, µm/m-K | 12 | |
| 9.5 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.3 | |
| 0.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.5 | |
| 1.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 8.5 | |
| 42 |
| Density, g/cm3 | 7.9 | |
| 4.6 |
| Embodied Carbon, kg CO2/kg material | 2.3 | |
| 32 |
| Embodied Energy, MJ/kg | 31 | |
| 520 |
| Embodied Water, L/kg | 73 | |
| 210 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 34 |
| Strength to Weight: Axial, points | 25 to 68 | |
| 57 |
| Strength to Weight: Bending, points | 22 to 44 | |
| 46 |
| Thermal Diffusivity, mm2/s | 9.9 | |
| 2.8 |
| Thermal Shock Resistance, points | 22 to 62 | |
| 67 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 5.5 to 6.5 |
| Carbon (C), % | 0.5 to 0.6 | |
| 0 to 0.050 |
| Chromium (Cr), % | 4.8 to 5.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 88.5 to 91.9 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Molybdenum (Mo), % | 1.2 to 1.7 | |
| 1.8 to 2.2 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.15 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0.75 to 1.1 | |
| 0.060 to 0.12 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tin (Sn), % | 0 | |
| 1.8 to 2.2 |
| Titanium (Ti), % | 0 | |
| 83.7 to 87.2 |
| Tungsten (W), % | 1.0 to 1.5 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 3.6 to 4.4 |
| Residuals, % | 0 | |
| 0 to 0.4 |