Grade 21 Titanium vs. AISI 410Cb Stainless Steel
Grade 21 titanium belongs to the titanium alloys classification, while AISI 410Cb stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is grade 21 titanium and the bottom bar is AISI 410Cb stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 190 |
| Elongation at Break, % | 9.0 to 17 | |
| 15 |
| Fatigue Strength, MPa | 550 to 660 | |
| 180 to 460 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Reduction in Area, % | 22 | |
| 50 to 51 |
| Shear Modulus, GPa | 51 | |
| 76 |
| Shear Strength, MPa | 550 to 790 | |
| 340 to 590 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1340 | |
| 550 to 960 |
| Tensile Strength: Yield (Proof), MPa | 870 to 1170 | |
| 310 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 730 |
| Melting Completion (Liquidus), °C | 1740 | |
| 1450 |
| Melting Onset (Solidus), °C | 1690 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 500 | |
| 480 |
| Thermal Conductivity, W/m-K | 7.5 | |
| 27 |
| Thermal Expansion, µm/m-K | 7.1 | |
| 10 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 60 | |
| 7.5 |
| Density, g/cm3 | 5.4 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 32 | |
| 2.0 |
| Embodied Energy, MJ/kg | 490 | |
| 29 |
| Embodied Water, L/kg | 180 | |
| 97 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 180 | |
| 70 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2760 to 5010 | |
| 240 to 1600 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 32 | |
| 25 |
| Strength to Weight: Axial, points | 46 to 69 | |
| 20 to 35 |
| Strength to Weight: Bending, points | 38 to 50 | |
| 19 to 28 |
| Thermal Diffusivity, mm2/s | 2.8 | |
| 7.3 |
| Thermal Shock Resistance, points | 66 to 100 | |
| 20 to 35 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.18 |
| Chromium (Cr), % | 0 | |
| 11 to 13 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.4 | |
| 84.5 to 89 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 14 to 16 | |
| 0 |
| Niobium (Nb), % | 2.2 to 3.2 | |
| 0.050 to 0.3 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.17 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.15 to 0.25 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 76 to 81.2 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |