C71640 Copper-nickel vs. K93600 Alloy
C71640 copper-nickel belongs to the copper alloys classification, while K93600 alloy belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is C71640 copper-nickel and the bottom bar is K93600 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 140 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 630 | |
| 480 to 810 |
| Tensile Strength: Yield (Proof), MPa | 190 to 460 | |
| 280 to 750 |
Thermal Properties
| Maximum Temperature: Mechanical, °C | 260 | |
| 440 |
| Melting Onset (Solidus), °C | 1120 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 520 |
| Thermal Conductivity, W/m-K | 29 | |
| 13 |
| Thermal Expansion, µm/m-K | 15 | |
| 7.3 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.1 | |
| 2.4 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.9 | |
| 8.1 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 750 | |
| 280 to 2050 |
| Stiffness to Weight: Axial, points | 8.7 | |
| 9.4 |
| Stiffness to Weight: Bending, points | 20 | |
| 21 |
| Strength to Weight: Axial, points | 15 to 20 | |
| 16 to 28 |
| Strength to Weight: Bending, points | 16 to 18 | |
| 17 to 24 |
| Thermal Diffusivity, mm2/s | 8.2 | |
| 3.1 |
| Thermal Shock Resistance, points | 16 to 21 | |
| 34 to 57 |