Grade Ti-Pd18 Titanium vs. AISI 304LN Stainless Steel
Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while AISI 304LN stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is grade Ti-Pd18 titanium and the bottom bar is AISI 304LN stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 320 | |
| 190 to 350 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 17 | |
| 7.8 to 46 |
| Fatigue Strength, MPa | 350 | |
| 200 to 440 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 40 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 710 | |
| 580 to 1160 |
| Tensile Strength: Yield (Proof), MPa | 540 | |
| 230 to 870 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 960 |
| Melting Completion (Liquidus), °C | 1640 | |
| 1420 |
| Melting Onset (Solidus), °C | 1590 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 480 |
| Thermal Conductivity, W/m-K | 8.2 | |
| 15 |
| Thermal Expansion, µm/m-K | 9.1 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.4 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 2.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 41 | |
| 3.1 |
| Embodied Energy, MJ/kg | 670 | |
| 44 |
| Embodied Water, L/kg | 270 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 83 to 270 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1380 | |
| 140 to 1900 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 35 | |
| 25 |
| Strength to Weight: Axial, points | 44 | |
| 21 to 41 |
| Strength to Weight: Bending, points | 39 | |
| 20 to 31 |
| Thermal Diffusivity, mm2/s | 3.3 | |
| 4.0 |
| Thermal Shock Resistance, points | 52 | |
| 13 to 26 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 0 |
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 18 to 20 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 65 to 73.9 |
| Manganese (Mn), % | 0 | |
| 0 to 2.0 |
| Nickel (Ni), % | 0 to 0.050 | |
| 8.0 to 12 |
| Nitrogen (N), % | 0 | |
| 0.1 to 0.16 |
| Oxygen (O), % | 0 to 0.15 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 92.5 to 95.5 | |
| 0 |
| Vanadium (V), % | 2.0 to 3.0 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |