C71640 Copper-nickel vs. Austempered Cast Iron
C71640 copper-nickel belongs to the copper alloys classification, while austempered cast iron belongs to the iron alloys. There are 23 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 austempered cast iron.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 180 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 52 | |
| 62 to 69 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 630 | |
| 860 to 1800 |
| Tensile Strength: Yield (Proof), MPa | 190 to 460 | |
| 560 to 1460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 280 |
| Melting Completion (Liquidus), °C | 1180 | |
| 1380 |
| Melting Onset (Solidus), °C | 1120 | |
| 1340 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 490 |
| Thermal Conductivity, W/m-K | 29 | |
| 42 |
| Thermal Expansion, µm/m-K | 15 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 2.9 |
| Density, g/cm3 | 8.9 | |
| 7.5 |
| Embodied Carbon, kg CO2/kg material | 5.0 | |
| 1.8 |
| Embodied Energy, MJ/kg | 73 | |
| 25 |
| Embodied Water, L/kg | 280 | |
| 48 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 750 | |
| 880 to 3970 |
| Stiffness to Weight: Axial, points | 8.7 | |
| 13 |
| Stiffness to Weight: Bending, points | 20 | |
| 25 |
| Strength to Weight: Axial, points | 15 to 20 | |
| 32 to 66 |
| Strength to Weight: Bending, points | 16 to 18 | |
| 27 to 44 |
| Thermal Diffusivity, mm2/s | 8.2 | |
| 11 |
| Thermal Shock Resistance, points | 16 to 21 | |
| 25 to 53 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.050 |
| Arsenic (As), % | 0 | |
| 0 to 0.020 |
| Carbon (C), % | 0 | |
| 3.4 to 3.8 |
| Chromium (Cr), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 61.7 to 67.8 | |
| 0 to 0.8 |
| Iron (Fe), % | 1.7 to 2.3 | |
| 89.6 to 94 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 0 to 0.040 |
| Manganese (Mn), % | 1.5 to 2.5 | |
| 0.3 to 0.4 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.3 |
| Nickel (Ni), % | 29 to 32 | |
| 0 to 2.0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Selenium (Se), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 | |
| 2.3 to 2.7 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Tin (Sn), % | 0 | |
| 0 to 0.020 |
| Vanadium (V), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |