Grade 29 Titanium vs. S46910 Stainless Steel
Grade 29 titanium belongs to the titanium alloys classification, while S46910 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 29 titanium and the bottom bar is S46910 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 6.8 to 11 | |
| 2.2 to 11 |
| Fatigue Strength, MPa | 460 to 510 | |
| 250 to 1020 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 40 | |
| 76 |
| Shear Strength, MPa | 550 to 560 | |
| 410 to 1410 |
| Tensile Strength: Ultimate (UTS), MPa | 930 to 940 | |
| 680 to 2470 |
| Tensile Strength: Yield (Proof), MPa | 850 to 870 | |
| 450 to 2290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 340 | |
| 810 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1460 |
| Melting Onset (Solidus), °C | 1560 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 560 | |
| 470 |
| Thermal Expansion, µm/m-K | 9.3 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 18 |
| Density, g/cm3 | 4.5 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 39 | |
| 4.1 |
| Embodied Energy, MJ/kg | 640 | |
| 55 |
| Embodied Water, L/kg | 410 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 62 to 100 | |
| 48 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3420 to 3540 | |
| 510 to 4780 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 58 to 59 | |
| 24 to 86 |
| Strength to Weight: Bending, points | 47 to 48 | |
| 22 to 51 |
| Thermal Shock Resistance, points | 68 to 69 | |
| 23 to 84 |
Alloy Composition
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| Aluminum (Al), % | 5.5 to 6.5 | |
| 0.15 to 0.5 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 11 to 13 |
| Copper (Cu), % | 0 | |
| 1.5 to 3.5 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 65 to 76 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 3.0 to 5.0 |
| Nickel (Ni), % | 0 | |
| 8.0 to 10 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.13 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Ruthenium (Ru), % | 0.080 to 0.14 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.7 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 88 to 90.9 | |
| 0.5 to 1.2 |
| Vanadium (V), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |