ACI-ASTM CB7Cu-1 Steel vs. Grade 19 Titanium
ACI-ASTM CB7Cu-1 steel belongs to the iron alloys classification, while grade 19 titanium belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is ACI-ASTM CB7Cu-1 steel and the bottom bar is grade 19 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Elongation at Break, % | 5.7 to 11 | |
| 5.6 to 17 |
| Fatigue Strength, MPa | 420 to 590 | |
| 550 to 620 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 76 | |
| 47 |
| Tensile Strength: Ultimate (UTS), MPa | 960 to 1350 | |
| 890 to 1300 |
| Tensile Strength: Yield (Proof), MPa | 760 to 1180 | |
| 870 to 1170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 400 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1660 |
| Melting Onset (Solidus), °C | 1500 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 520 |
| Thermal Conductivity, W/m-K | 17 | |
| 6.2 |
| Thermal Expansion, µm/m-K | 11 | |
| 9.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 45 |
| Density, g/cm3 | 7.8 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 47 |
| Embodied Energy, MJ/kg | 38 | |
| 760 |
| Embodied Water, L/kg | 130 | |
| 230 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 120 | |
| 70 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1500 to 3590 | |
| 3040 to 5530 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 33 |
| Strength to Weight: Axial, points | 34 to 48 | |
| 49 to 72 |
| Strength to Weight: Bending, points | 28 to 35 | |
| 41 to 53 |
| Thermal Diffusivity, mm2/s | 4.6 | |
| 2.4 |
| Thermal Shock Resistance, points | 32 to 45 | |
| 57 to 83 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.0 to 4.0 |
| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.050 |
| Chromium (Cr), % | 15.5 to 17.7 | |
| 5.5 to 6.5 |
| Copper (Cu), % | 2.5 to 3.2 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.020 |
| Iron (Fe), % | 72.3 to 78.4 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0 to 0.7 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 3.5 to 4.5 |
| Nickel (Ni), % | 3.6 to 4.6 | |
| 0 |
| Niobium (Nb), % | 0 to 0.35 | |
| 0 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.12 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 71.1 to 77 |
| Vanadium (V), % | 0 | |
| 7.5 to 8.5 |
| Zirconium (Zr), % | 0 | |
| 3.5 to 4.5 |
| Residuals, % | 0 | |
| 0 to 0.4 |