ACI-ASTM CB7Cu-2 Steel vs. Grade 5 Titanium
ACI-ASTM CB7Cu-2 steel belongs to the iron alloys classification, while grade 5 titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 grade 5 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 5.7 to 11 | |
| 8.6 to 11 |
| Fatigue Strength, MPa | 420 to 590 | |
| 530 to 630 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 75 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 960 to 1350 | |
| 1000 to 1190 |
| Tensile Strength: Yield (Proof), MPa | 760 to 1180 | |
| 910 to 1110 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 410 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1610 |
| Melting Onset (Solidus), °C | 1380 | |
| 1650 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 560 |
| Thermal Conductivity, W/m-K | 17 | |
| 6.8 |
| Thermal Expansion, µm/m-K | 11 | |
| 8.9 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.1 | |
| 1.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.4 | |
| 2.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 36 |
| Density, g/cm3 | 7.8 | |
| 4.4 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 38 |
| Embodied Energy, MJ/kg | 38 | |
| 610 |
| Embodied Water, L/kg | 130 | |
| 200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 120 | |
| 100 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1510 to 3600 | |
| 3980 to 5880 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 35 |
| Strength to Weight: Axial, points | 34 to 48 | |
| 62 to 75 |
| Strength to Weight: Bending, points | 28 to 35 | |
| 50 to 56 |
| Thermal Diffusivity, mm2/s | 4.6 | |
| 2.7 |
| Thermal Shock Resistance, points | 32 to 45 | |
| 76 to 91 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 5.5 to 6.8 |
| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.080 |
| Chromium (Cr), % | 14 to 15.5 | |
| 0 |
| Copper (Cu), % | 2.5 to 3.2 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 73.6 to 79 | |
| 0 to 0.4 |
| 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 0.2 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 87.4 to 91 |
| Vanadium (V), % | 0 | |
| 3.5 to 4.5 |
| Yttrium (Y), % | 0 | |
| 0 to 0.0050 |
| Residuals, % | 0 | |
| 0 to 0.4 |