ACI-ASTM CB7Cu-2 Steel vs. C70600 Copper-nickel
ACI-ASTM CB7Cu-2 steel belongs to the iron alloys classification, while C70600 copper-nickel belongs to the copper alloys. There are 27 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 C70600 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Elongation at Break, % | 5.7 to 11 | |
| 3.0 to 34 |
| Poisson's Ratio | 0.28 | |
| 0.34 |
| Shear Modulus, GPa | 75 | |
| 46 |
| Tensile Strength: Ultimate (UTS), MPa | 960 to 1350 | |
| 290 to 570 |
| Tensile Strength: Yield (Proof), MPa | 760 to 1180 | |
| 63 to 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 220 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1150 |
| Melting Onset (Solidus), °C | 1380 | |
| 1100 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 390 |
| Thermal Conductivity, W/m-K | 17 | |
| 44 |
| Thermal Expansion, µm/m-K | 11 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.1 | |
| 9.8 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.4 | |
| 9.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 33 |
| Density, g/cm3 | 7.8 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 3.4 |
| Embodied Energy, MJ/kg | 38 | |
| 51 |
| Embodied Water, L/kg | 130 | |
| 300 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 120 | |
| 6.5 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1510 to 3600 | |
| 16 to 290 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 34 to 48 | |
| 9.1 to 18 |
| Strength to Weight: Bending, points | 28 to 35 | |
| 11 to 17 |
| Thermal Diffusivity, mm2/s | 4.6 | |
| 13 |
| Thermal Shock Resistance, points | 32 to 45 | |
| 9.8 to 19 |
Alloy Composition
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| Carbon (C), % | 0 to 0.070 | |
| 0 |
| Chromium (Cr), % | 14 to 15.5 | |
| 0 |
| Copper (Cu), % | 2.5 to 3.2 | |
| 84.7 to 90 |
| Iron (Fe), % | 73.6 to 79 | |
| 1.0 to 1.8 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 0.7 | |
| 0 to 1.0 |
| Nickel (Ni), % | 4.5 to 5.5 | |
| 9.0 to 11 |
| 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 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.5 |