C71640 Copper-nickel vs. ASTM A217 Cast Steel
C71640 copper-nickel belongs to the copper alloys classification, while ASTM A217 cast steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is C71640 copper-nickel and the bottom bar is ASTM A217 cast steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 190 |
| Poisson's Ratio | 0.33 | |
| 0.28 to 0.29 |
| Shear Modulus, GPa | 52 | |
| 73 to 75 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 630 | |
| 540 to 710 |
| Tensile Strength: Yield (Proof), MPa | 190 to 460 | |
| 270 to 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 250 to 270 |
| Maximum Temperature: Mechanical, °C | 260 | |
| 410 to 600 |
| Melting Completion (Liquidus), °C | 1180 | |
| 1450 to 1460 |
| Melting Onset (Solidus), °C | 1120 | |
| 1410 to 1420 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 470 |
| Thermal Conductivity, W/m-K | 29 | |
| 26 to 50 |
| Thermal Expansion, µm/m-K | 15 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 7.3 to 9.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.1 | |
| 8.4 to 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 2.4 to 7.0 |
| Density, g/cm3 | 8.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 5.0 | |
| 1.5 to 2.1 |
| Embodied Energy, MJ/kg | 73 | |
| 20 to 28 |
| Embodied Water, L/kg | 280 | |
| 47 to 87 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 750 | |
| 190 to 570 |
| Stiffness to Weight: Axial, points | 8.7 | |
| 13 to 14 |
| Stiffness to Weight: Bending, points | 20 | |
| 24 to 25 |
| Strength to Weight: Axial, points | 15 to 20 | |
| 19 to 25 |
| Strength to Weight: Bending, points | 16 to 18 | |
| 19 to 23 |
| Thermal Diffusivity, mm2/s | 8.2 | |
| 6.9 to 14 |
| Thermal Shock Resistance, points | 16 to 21 | |
| 16 to 20 |