ACI-ASTM CB7Cu-2 Steel vs. C82800 Copper
ACI-ASTM CB7Cu-2 steel belongs to the iron alloys classification, while C82800 copper belongs to the copper alloys. There are 26 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 C82800 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Elongation at Break, % | 5.7 to 11 | |
| 1.0 to 20 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 75 | |
| 46 |
| Tensile Strength: Ultimate (UTS), MPa | 960 to 1350 | |
| 670 to 1140 |
| Tensile Strength: Yield (Proof), MPa | 760 to 1180 | |
| 380 to 1000 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 240 |
| Melting Completion (Liquidus), °C | 1430 | |
| 930 |
| Melting Onset (Solidus), °C | 1380 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 390 |
| Thermal Conductivity, W/m-K | 17 | |
| 120 |
| Thermal Expansion, µm/m-K | 11 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.1 | |
| 18 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.4 | |
| 19 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 12 |
| Embodied Energy, MJ/kg | 38 | |
| 190 |
| Embodied Water, L/kg | 130 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 120 | |
| 11 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1510 to 3600 | |
| 590 to 4080 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.8 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 34 to 48 | |
| 21 to 36 |
| Strength to Weight: Bending, points | 28 to 35 | |
| 20 to 28 |
| Thermal Diffusivity, mm2/s | 4.6 | |
| 36 |
| Thermal Shock Resistance, points | 32 to 45 | |
| 23 to 39 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.15 |
| Beryllium (Be), % | 0 | |
| 2.5 to 2.9 |
| Carbon (C), % | 0 to 0.070 | |
| 0 |
| Chromium (Cr), % | 14 to 15.5 | |
| 0 to 0.1 |
| Cobalt (Co), % | 0 | |
| 0.15 to 0.7 |
| Copper (Cu), % | 2.5 to 3.2 | |
| 94.6 to 97.2 |
| Iron (Fe), % | 73.6 to 79 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Manganese (Mn), % | 0 to 0.7 | |
| 0 |
| Nickel (Ni), % | 4.5 to 5.5 | |
| 0 to 0.2 |
| Niobium (Nb), % | 0 to 0.35 | |
| 0 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.2 to 0.35 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 | |
| 0 to 0.12 |
| Zinc (Zn), % | 0 | |
| 0 to 0.1 |
| Residuals, % | 0 | |
| 0 to 0.5 |