ACI-ASTM CB7Cu-2 Steel vs. C75200 Nickel Silver
ACI-ASTM CB7Cu-2 steel belongs to the iron alloys classification, while C75200 nickel silver belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, 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 C75200 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 75 | |
| 47 |
| Tensile Strength: Ultimate (UTS), MPa | 960 to 1350 | |
| 400 to 660 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 210 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1110 |
| Melting Onset (Solidus), °C | 1380 | |
| 1070 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 400 |
| Thermal Conductivity, W/m-K | 17 | |
| 33 |
| Thermal Expansion, µm/m-K | 11 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.1 | |
| 6.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.4 | |
| 6.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 33 |
| Density, g/cm3 | 7.8 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 4.1 |
| Embodied Energy, MJ/kg | 38 | |
| 62 |
| Embodied Water, L/kg | 130 | |
| 300 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 8.0 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 34 to 48 | |
| 13 to 21 |
| Strength to Weight: Bending, points | 28 to 35 | |
| 14 to 20 |
| Thermal Diffusivity, mm2/s | 4.6 | |
| 9.8 |
| Thermal Shock Resistance, points | 32 to 45 | |
| 13 to 22 |
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 | |
| 63.5 to 66.5 |
| Iron (Fe), % | 73.6 to 79 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 0.7 | |
| 0 to 0.5 |
| Nickel (Ni), % | 4.5 to 5.5 | |
| 16.5 to 19.5 |
| 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 | |
| 12.7 to 20 |
| Residuals, % | 0 | |
| 0 to 0.5 |