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