AISI 201 Stainless Steel vs. Grade 33 Titanium
AISI 201 stainless steel belongs to the iron alloys classification, while grade 33 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is AISI 201 stainless steel and the bottom bar is grade 33 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Elongation at Break, % | 4.6 to 51 | |
| 23 |
| Fatigue Strength, MPa | 280 to 600 | |
| 250 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 77 | |
| 41 |
| Shear Strength, MPa | 450 to 840 | |
| 240 |
| Tensile Strength: Ultimate (UTS), MPa | 650 to 1450 | |
| 390 |
| Tensile Strength: Yield (Proof), MPa | 300 to 1080 | |
| 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 880 | |
| 320 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1660 |
| Melting Onset (Solidus), °C | 1370 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 540 |
| Thermal Conductivity, W/m-K | 15 | |
| 21 |
| Thermal Expansion, µm/m-K | 17 | |
| 8.7 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 3.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 6.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 55 |
| Density, g/cm3 | 7.7 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 33 |
| Embodied Energy, MJ/kg | 38 | |
| 530 |
| Embodied Water, L/kg | 140 | |
| 200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 61 to 340 | |
| 86 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 2970 | |
| 590 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 35 |
| Strength to Weight: Axial, points | 23 to 52 | |
| 24 |
| Strength to Weight: Bending, points | 22 to 37 | |
| 26 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 8.7 |
| Thermal Shock Resistance, points | 14 to 32 | |
| 30 |
Alloy Composition
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| Carbon (C), % | 0 to 0.15 | |
| 0 to 0.080 |
| Chromium (Cr), % | 16 to 18 | |
| 0.1 to 0.2 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 67.5 to 75 | |
| 0 to 0.3 |
| Manganese (Mn), % | 5.5 to 7.5 | |
| 0 |
| Nickel (Ni), % | 3.5 to 5.5 | |
| 0.35 to 0.55 |
| Nitrogen (N), % | 0 to 0.25 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Palladium (Pd), % | 0 | |
| 0.010 to 0.020 |
| Phosphorus (P), % | 0 to 0.060 | |
| 0 |
| Ruthenium (Ru), % | 0 | |
| 0.020 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 98.1 to 99.52 |
| Residuals, % | 0 | |
| 0 to 0.4 |