Grade Ti-Pd17 Titanium vs. S44700 Stainless Steel
Grade Ti-Pd17 titanium belongs to the titanium alloys classification, while S44700 stainless steel belongs to the iron alloys. There are 26 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 grade Ti-Pd17 titanium and the bottom bar is S44700 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 | |
| 200 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 210 |
| Elongation at Break, % | 22 | |
| 23 |
| Fatigue Strength, MPa | 140 | |
| 300 |
| Poisson's Ratio | 0.32 | |
| 0.27 |
| Rockwell C Hardness | 21 | |
| 17 |
| Shear Modulus, GPa | 40 | |
| 82 |
| Tensile Strength: Ultimate (UTS), MPa | 270 | |
| 600 |
| Tensile Strength: Yield (Proof), MPa | 190 | |
| 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 300 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 1100 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1460 |
| Melting Onset (Solidus), °C | 1610 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 480 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 11 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 36 | |
| 3.6 |
| Embodied Energy, MJ/kg | 600 | |
| 49 |
| Embodied Water, L/kg | 230 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 55 | |
| 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 | |
| 480 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 35 | |
| 25 |
| Strength to Weight: Axial, points | 17 | |
| 21 |
| Strength to Weight: Bending, points | 21 | |
| 20 |
| Thermal Shock Resistance, points | 21 | |
| 19 |
Alloy Composition
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.010 |
| Chromium (Cr), % | 0 | |
| 28 to 30 |
| Copper (Cu), % | 0 | |
| 0 to 0.15 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 64.9 to 68.5 |
| Manganese (Mn), % | 0 | |
| 0 to 0.3 |
| Molybdenum (Mo), % | 0 | |
| 3.5 to 4.2 |
| Nickel (Ni), % | 0 to 0.030 | |
| 0 to 0.15 |
| Nitrogen (N), % | 0 | |
| 0 to 0.020 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Titanium (Ti), % | 98.9 to 99.96 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |