Grade 29 Titanium vs. EN 1.4662 Stainless Steel
Grade 29 titanium belongs to the titanium alloys classification, while EN 1.4662 stainless steel belongs to the iron alloys. There are 30 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 grade 29 titanium and the bottom bar is EN 1.4662 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 6.8 to 11 | |
| 28 |
| Fatigue Strength, MPa | 460 to 510 | |
| 430 to 450 |
| Poisson's Ratio | 0.32 | |
| 0.27 |
| Shear Modulus, GPa | 40 | |
| 79 |
| Shear Strength, MPa | 550 to 560 | |
| 520 to 540 |
| Tensile Strength: Ultimate (UTS), MPa | 930 to 940 | |
| 810 to 830 |
| Tensile Strength: Yield (Proof), MPa | 850 to 870 | |
| 580 to 620 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 340 | |
| 1090 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1430 |
| Melting Onset (Solidus), °C | 1560 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 560 | |
| 480 |
| Thermal Conductivity, W/m-K | 7.3 | |
| 15 |
| Thermal Expansion, µm/m-K | 9.3 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.0 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.0 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 16 |
| Density, g/cm3 | 4.5 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 39 | |
| 3.2 |
| Embodied Energy, MJ/kg | 640 | |
| 45 |
| Embodied Water, L/kg | 410 | |
| 170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 62 to 100 | |
| 210 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3420 to 3540 | |
| 840 to 940 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 35 | |
| 25 |
| Strength to Weight: Axial, points | 58 to 59 | |
| 29 to 30 |
| Strength to Weight: Bending, points | 47 to 48 | |
| 25 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 3.9 |
| Thermal Shock Resistance, points | 68 to 69 | |
| 22 |
Alloy Composition
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| Aluminum (Al), % | 5.5 to 6.5 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 23 to 25 |
| Copper (Cu), % | 0 | |
| 0.1 to 0.8 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 62.6 to 70.2 |
| Manganese (Mn), % | 0 | |
| 2.5 to 4.0 |
| Molybdenum (Mo), % | 0 | |
| 1.0 to 2.0 |
| Nickel (Ni), % | 0 | |
| 3.0 to 4.5 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0.2 to 0.3 |
| Oxygen (O), % | 0 to 0.13 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Ruthenium (Ru), % | 0.080 to 0.14 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.7 |
| Sulfur (S), % | 0 | |
| 0 to 0.0050 |
| Titanium (Ti), % | 88 to 90.9 | |
| 0 |
| Vanadium (V), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |