C72900 Copper-nickel vs. K93600 Alloy
C72900 copper-nickel belongs to the copper alloys classification, while K93600 alloy belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is C72900 copper-nickel and the bottom bar is K93600 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 140 |
| Elongation at Break, % | 6.0 to 20 | |
| 5.0 to 35 |
| Shear Strength, MPa | 540 to 630 | |
| 320 to 380 |
| Tensile Strength: Ultimate (UTS), MPa | 870 to 1080 | |
| 480 to 810 |
| Tensile Strength: Yield (Proof), MPa | 700 to 920 | |
| 280 to 750 |
Thermal Properties
| Maximum Temperature: Mechanical, °C | 210 | |
| 440 |
| Melting Onset (Solidus), °C | 950 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 520 |
| Thermal Conductivity, W/m-K | 29 | |
| 13 |
| Thermal Expansion, µm/m-K | 17 | |
| 7.3 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.8 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 2.4 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.8 | |
| 8.1 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 49 to 210 | |
| 21 to 280 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2030 to 3490 | |
| 280 to 2050 |
| Stiffness to Weight: Axial, points | 7.6 | |
| 9.4 |
| Stiffness to Weight: Bending, points | 19 | |
| 21 |
| Strength to Weight: Axial, points | 27 to 34 | |
| 16 to 28 |
| Strength to Weight: Bending, points | 23 to 27 | |
| 17 to 24 |
| Thermal Diffusivity, mm2/s | 8.6 | |
| 3.1 |
| Thermal Shock Resistance, points | 31 to 38 | |
| 34 to 57 |