Grade 19 Titanium vs. AISI 201LN Stainless Steel
Grade 19 titanium belongs to the titanium alloys classification, while AISI 201LN stainless steel belongs to the iron alloys. There are 28 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 19 titanium and the bottom bar is AISI 201LN stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Elongation at Break, % | 5.6 to 17 | |
| 25 to 51 |
| Fatigue Strength, MPa | 550 to 620 | |
| 340 to 540 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 47 | |
| 77 |
| Shear Strength, MPa | 550 to 750 | |
| 530 to 680 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1300 | |
| 740 to 1060 |
| Tensile Strength: Yield (Proof), MPa | 870 to 1170 | |
| 350 to 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 370 | |
| 880 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1410 |
| Melting Onset (Solidus), °C | 1600 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 480 |
| Thermal Conductivity, W/m-K | 6.2 | |
| 15 |
| Thermal Expansion, µm/m-K | 9.1 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 45 | |
| 12 |
| Density, g/cm3 | 5.0 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 47 | |
| 2.6 |
| Embodied Energy, MJ/kg | 760 | |
| 38 |
| Embodied Water, L/kg | 230 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 70 to 150 | |
| 230 to 310 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3040 to 5530 | |
| 310 to 1520 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 33 | |
| 25 |
| Strength to Weight: Axial, points | 49 to 72 | |
| 27 to 38 |
| Strength to Weight: Bending, points | 41 to 53 | |
| 24 to 30 |
| Thermal Diffusivity, mm2/s | 2.4 | |
| 4.0 |
| Thermal Shock Resistance, points | 57 to 83 | |
| 16 to 23 |
Alloy Composition
| Aluminum (Al), % | 3.0 to 4.0 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.030 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 16 to 17.5 |
| Copper (Cu), % | 0 | |
| 0 to 1.0 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 67.9 to 73.5 |
| Manganese (Mn), % | 0 | |
| 6.4 to 7.5 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 4.0 to 5.0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0.1 to 0.25 |
| Oxygen (O), % | 0 to 0.12 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 71.1 to 77 | |
| 0 |
| Vanadium (V), % | 7.5 to 8.5 | |
| 0 |
| Zirconium (Zr), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |