Grade 12 Titanium vs. AISI 201LN Stainless Steel
Grade 12 titanium belongs to the titanium alloys classification, while AISI 201LN stainless steel belongs to the iron alloys. There are 31 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 12 titanium and the bottom bar is AISI 201LN stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 | |
| 210 to 320 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 21 | |
| 25 to 51 |
| Fatigue Strength, MPa | 280 | |
| 340 to 540 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 39 | |
| 77 |
| Shear Strength, MPa | 330 | |
| 530 to 680 |
| Tensile Strength: Ultimate (UTS), MPa | 530 | |
| 740 to 1060 |
| Tensile Strength: Yield (Proof), MPa | 410 | |
| 350 to 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 880 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1410 |
| Melting Onset (Solidus), °C | 1610 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 480 |
| Thermal Conductivity, W/m-K | 21 | |
| 15 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.3 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.6 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 12 |
| Density, g/cm3 | 4.5 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 31 | |
| 2.6 |
| Embodied Energy, MJ/kg | 500 | |
| 38 |
| Embodied Water, L/kg | 110 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 230 to 310 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 770 | |
| 310 to 1520 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 35 | |
| 25 |
| Strength to Weight: Axial, points | 32 | |
| 27 to 38 |
| Strength to Weight: Bending, points | 32 | |
| 24 to 30 |
| Thermal Diffusivity, mm2/s | 8.5 | |
| 4.0 |
| Thermal Shock Resistance, points | 37 | |
| 16 to 23 |
Alloy Composition
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| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 16 to 17.5 |
| Copper (Cu), % | 0 | |
| 0 to 1.0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 67.9 to 73.5 |
| Manganese (Mn), % | 0 | |
| 6.4 to 7.5 |
| Molybdenum (Mo), % | 0.2 to 0.4 | |
| 0 |
| Nickel (Ni), % | 0.6 to 0.9 | |
| 4.0 to 5.0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0.1 to 0.25 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 97.6 to 99.2 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |