Titanium 15-3-3-3 vs. ACI-ASTM CB7Cu-2 Steel
Titanium 15-3-3-3 belongs to the titanium alloys classification, while ACI-ASTM CB7Cu-2 steel belongs to the iron alloys. There are 27 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 titanium 15-3-3-3 and the bottom bar is ACI-ASTM CB7Cu-2 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 190 |
| Elongation at Break, % | 5.7 to 8.0 | |
| 5.7 to 11 |
| Fatigue Strength, MPa | 610 to 710 | |
| 420 to 590 |
| Poisson's Ratio | 0.33 | |
| 0.28 |
| Shear Modulus, GPa | 39 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 1120 to 1390 | |
| 960 to 1350 |
| Tensile Strength: Yield (Proof), MPa | 1100 to 1340 | |
| 760 to 1180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 280 |
| Melting Completion (Liquidus), °C | 1620 | |
| 1430 |
| Melting Onset (Solidus), °C | 1560 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 480 |
| Thermal Conductivity, W/m-K | 8.1 | |
| 17 |
| Thermal Expansion, µm/m-K | 9.8 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.2 | |
| 2.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.3 | |
| 2.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 13 |
| Density, g/cm3 | 4.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 59 | |
| 2.6 |
| Embodied Energy, MJ/kg | 950 | |
| 38 |
| Embodied Water, L/kg | 260 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 78 to 89 | |
| 71 to 120 |
| Stiffness to Weight: Axial, points | 12 | |
| 14 |
| Stiffness to Weight: Bending, points | 32 | |
| 25 |
| Strength to Weight: Axial, points | 64 to 80 | |
| 34 to 48 |
| Strength to Weight: Bending, points | 50 to 57 | |
| 28 to 35 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 4.6 |
| Thermal Shock Resistance, points | 79 to 98 | |
| 32 to 45 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.070 |
| Chromium (Cr), % | 2.5 to 3.5 | |
| 14 to 15.5 |
| Copper (Cu), % | 0 | |
| 2.5 to 3.2 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 73.6 to 79 |
| Manganese (Mn), % | 0 | |
| 0 to 0.7 |
| Nickel (Ni), % | 0 | |
| 4.5 to 5.5 |
| Niobium (Nb), % | 0 | |
| 0 to 0.35 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 to 0.13 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 2.5 to 3.5 | |
| 0 |
| Titanium (Ti), % | 72.6 to 78.5 | |
| 0 |
| Vanadium (V), % | 14 to 16 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |