K94200 Alloy vs. C71640 Copper-nickel
K94200 alloy belongs to the iron alloys classification, while C71640 copper-nickel belongs to the copper alloys. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is K94200 alloy and the bottom bar is C71640 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 140 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 54 | |
| 52 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 710 | |
| 490 to 630 |
| Tensile Strength: Yield (Proof), MPa | 270 to 650 | |
| 190 to 460 |
Thermal Properties
| Melting Onset (Solidus), °C | 1440 | |
| 1120 |
| Specific Heat Capacity, J/kg-K | 500 | |
| 410 |
| Thermal Conductivity, W/m-K | 15 | |
| 29 |
| Thermal Expansion, µm/m-K | 5.0 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.7 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.0 | |
| 7.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.2 | |
| 8.9 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 to 1460 | |
| 130 to 750 |
| Stiffness to Weight: Axial, points | 9.8 | |
| 8.7 |
| Stiffness to Weight: Bending, points | 21 | |
| 20 |
| Strength to Weight: Axial, points | 17 to 24 | |
| 15 to 20 |
| Strength to Weight: Bending, points | 17 to 22 | |
| 16 to 18 |
| Thermal Diffusivity, mm2/s | 3.7 | |
| 8.2 |
| Thermal Shock Resistance, points | 49 to 70 | |
| 16 to 21 |