SAE-AISI 9254 Steel vs. Grade Ti-Pd18 Titanium
SAE-AISI 9254 steel belongs to the iron alloys classification, while grade Ti-Pd18 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 9254 steel and the bottom bar is grade Ti-Pd18 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 | |
| 320 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 20 | |
| 17 |
| Fatigue Strength, MPa | 280 | |
| 350 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 72 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 660 | |
| 710 |
| Tensile Strength: Yield (Proof), MPa | 410 | |
| 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 330 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1640 |
| Melting Onset (Solidus), °C | 1400 | |
| 1590 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 550 |
| Thermal Conductivity, W/m-K | 46 | |
| 8.2 |
| Thermal Expansion, µm/m-K | 13 | |
| 9.1 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
| 1.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.6 | |
| 2.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.7 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 41 |
| Embodied Energy, MJ/kg | 20 | |
| 670 |
| Embodied Water, L/kg | 49 | |
| 270 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 450 | |
| 1380 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 35 |
| Strength to Weight: Axial, points | 24 | |
| 44 |
| Strength to Weight: Bending, points | 22 | |
| 39 |
| Thermal Diffusivity, mm2/s | 12 | |
| 3.3 |
| Thermal Shock Resistance, points | 20 | |
| 52 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0.51 to 0.59 | |
| 0 to 0.1 |
| Chromium (Cr), % | 0.6 to 0.8 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 96.1 to 97.1 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0.6 to 0.8 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.15 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 |
| Silicon (Si), % | 1.2 to 1.6 | |
| 0 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 92.5 to 95.5 |
| Vanadium (V), % | 0 | |
| 2.0 to 3.0 |
| Residuals, % | 0 | |
| 0 to 0.4 |