Grade 33 Titanium vs. AISI 304L Stainless Steel
Grade 33 titanium belongs to the titanium alloys classification, while AISI 304L stainless steel belongs to the iron alloys. There are 30 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 33 titanium and the bottom bar is AISI 304L stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 23 | |
| 6.7 to 46 |
| Fatigue Strength, MPa | 250 | |
| 170 to 430 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 41 | |
| 77 |
| Shear Strength, MPa | 240 | |
| 370 to 680 |
| Tensile Strength: Ultimate (UTS), MPa | 390 | |
| 540 to 1160 |
| Tensile Strength: Yield (Proof), MPa | 350 | |
| 190 to 870 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 540 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1450 |
| Melting Onset (Solidus), °C | 1610 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 480 |
| Thermal Conductivity, W/m-K | 21 | |
| 16 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.4 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.9 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 55 | |
| 16 |
| Density, g/cm3 | 4.5 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 33 | |
| 3.1 |
| Embodied Energy, MJ/kg | 530 | |
| 44 |
| Embodied Water, L/kg | 200 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 86 | |
| 71 to 240 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 590 | |
| 92 to 1900 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 35 | |
| 25 |
| Strength to Weight: Axial, points | 24 | |
| 19 to 41 |
| Strength to Weight: Bending, points | 26 | |
| 19 to 31 |
| Thermal Diffusivity, mm2/s | 8.7 | |
| 4.2 |
| Thermal Shock Resistance, points | 30 | |
| 12 to 25 |
Alloy Composition
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| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0.1 to 0.2 | |
| 18 to 20 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 65 to 74 |
| Manganese (Mn), % | 0 | |
| 0 to 2.0 |
| Nickel (Ni), % | 0.35 to 0.55 | |
| 8.0 to 12 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 to 0.1 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Palladium (Pd), % | 0.010 to 0.020 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Ruthenium (Ru), % | 0.020 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 98.1 to 99.52 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |