C72500 Copper-nickel vs. ASTM B522 Class I
C72500 copper-nickel belongs to the copper alloys classification, while ASTM B522 class I belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is C72500 copper-nickel and the bottom bar is ASTM B522 class I.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 96 |
| Poisson's Ratio | 0.34 | |
| 0.41 |
| Shear Modulus, GPa | 45 | |
| 34 |
| Tensile Strength: Ultimate (UTS), MPa | 420 to 780 | |
| 280 to 490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 77 |
| Melting Completion (Liquidus), °C | 1130 | |
| 1030 |
| Melting Onset (Solidus), °C | 1060 | |
| 1030 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 160 |
| Thermal Expansion, µm/m-K | 17 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
| 5.8 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.9 | |
| 17 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.6 | |
| 3.1 |
| Stiffness to Weight: Bending, points | 19 | |
| 8.9 |
| Strength to Weight: Axial, points | 13 to 24 | |
| 4.4 to 7.8 |
| Strength to Weight: Bending, points | 14 to 21 | |
| 5.5 to 8.0 |
| Thermal Shock Resistance, points | 14 to 27 | |
| 13 to 24 |
Alloy Composition
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| Copper (Cu), % | 85.2 to 89.7 | |
| 0 |
| Gold (Au), % | 0 | |
| 68 to 70 |
| Iron (Fe), % | 0 to 0.6 | |
| 0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0 |
| Nickel (Ni), % | 8.5 to 10.5 | |
| 0 |
| Platinum (Pt), % | 0 | |
| 5.0 to 7.0 |
| Silver (Ag), % | 0 | |
| 23.5 to 26.5 |
| Tin (Sn), % | 1.8 to 2.8 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.35 |