Grade 21 Titanium vs. 60Cr-40Ni Alloy
Grade 21 titanium belongs to the titanium alloys classification, while 60Cr-40Ni alloy belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is grade 21 titanium and the bottom bar is 60Cr-40Ni alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 220 |
| Poisson's Ratio | 0.32 | |
| 0.25 |
| Shear Modulus, GPa | 51 | |
| 87 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1340 | |
| 870 |
| Tensile Strength: Yield (Proof), MPa | 870 to 1170 | |
| 660 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 370 |
| Specific Heat Capacity, J/kg-K | 500 | |
| 490 |
| Thermal Expansion, µm/m-K | 7.1 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 60 | |
| 49 |
| Density, g/cm3 | 5.4 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 32 | |
| 7.4 |
| Embodied Energy, MJ/kg | 490 | |
| 110 |
| Embodied Water, L/kg | 180 | |
| 380 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2760 to 5010 | |
| 1000 |
| Stiffness to Weight: Axial, points | 14 | |
| 16 |
| Stiffness to Weight: Bending, points | 32 | |
| 26 |
| Strength to Weight: Axial, points | 46 to 69 | |
| 31 |
| Strength to Weight: Bending, points | 38 to 50 | |
| 26 |
| Thermal Shock Resistance, points | 66 to 100 | |
| 18 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 0 to 0.25 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.1 |
| Chromium (Cr), % | 0 | |
| 58 to 62 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 1.0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.3 |
| Molybdenum (Mo), % | 14 to 16 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 34.5 to 42 |
| Niobium (Nb), % | 2.2 to 3.2 | |
| 0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 to 0.3 |
| Oxygen (O), % | 0 to 0.17 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0.15 to 0.25 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Titanium (Ti), % | 76 to 81.2 | |
| 0 to 0.5 |
| Residuals, % | 0 to 0.4 | |
| 0 |