Grade Ti-Pd8A Titanium vs. AISI 347 Stainless Steel
Grade Ti-Pd8A titanium belongs to the titanium alloys classification, while AISI 347 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is grade Ti-Pd8A titanium and the bottom bar is AISI 347 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 | |
| 160 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 13 | |
| 34 to 46 |
| Fatigue Strength, MPa | 260 | |
| 220 to 270 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 40 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 500 | |
| 610 to 690 |
| Tensile Strength: Yield (Proof), MPa | 430 | |
| 240 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 870 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1430 |
| Melting Onset (Solidus), °C | 1610 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 480 |
| Thermal Conductivity, W/m-K | 21 | |
| 16 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.5 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.9 | |
| 2.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 49 | |
| 3.6 |
| Embodied Energy, MJ/kg | 840 | |
| 52 |
| Embodied Water, L/kg | 520 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 65 | |
| 190 to 220 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 880 | |
| 150 to 310 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 35 | |
| 25 |
| Strength to Weight: Axial, points | 31 | |
| 22 to 25 |
| Strength to Weight: Bending, points | 31 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 8.6 | |
| 4.3 |
| Thermal Shock Resistance, points | 39 | |
| 13 to 15 |
Alloy Composition
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| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 | |
| 17 to 19 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 64.1 to 74 |
| Manganese (Mn), % | 0 | |
| 0 to 2.0 |
| Nickel (Ni), % | 0 to 0.050 | |
| 9.0 to 13 |
| Niobium (Nb), % | 0 | |
| 0 to 1.0 |
| Oxygen (O), % | 0 to 0.4 | |
| 0 |
| Palladium (Pd), % | 0.12 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 98.8 to 99.9 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |