Grade 7 Titanium vs. Chromium 33
Grade 7 titanium belongs to the titanium alloys classification, while chromium 33 belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is grade 7 titanium and the bottom bar is chromium 33.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 24 | |
| 45 |
| Poisson's Ratio | 0.32 | |
| 0.27 |
| Shear Modulus, GPa | 38 | |
| 81 |
| Tensile Strength: Ultimate (UTS), MPa | 420 | |
| 850 |
| Tensile Strength: Yield (Proof), MPa | 340 | |
| 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 320 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 480 |
| Thermal Expansion, µm/m-K | 9.2 | |
| 14 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 47 | |
| 6.0 |
| Embodied Energy, MJ/kg | 800 | |
| 84 |
| Embodied Water, L/kg | 470 | |
| 250 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 95 | |
| 320 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 560 | |
| 450 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 35 | |
| 25 |
| Strength to Weight: Axial, points | 26 | |
| 30 |
| Strength to Weight: Bending, points | 28 | |
| 25 |
| Thermal Shock Resistance, points | 31 | |
| 21 |
Alloy Composition
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| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.015 |
| Chromium (Cr), % | 0 | |
| 31 to 35 |
| Copper (Cu), % | 0 | |
| 0.3 to 1.2 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 25.7 to 37.9 |
| Manganese (Mn), % | 0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 0.5 to 2.0 |
| Nickel (Ni), % | 0 | |
| 30 to 33 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0.35 to 0.6 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Palladium (Pd), % | 0.12 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Titanium (Ti), % | 98.7 to 99.88 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |