C17500 Copper vs. Nickel 685
C17500 copper belongs to the copper alloys classification, while nickel 685 belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C17500 copper and the bottom bar is nickel 685.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Elongation at Break, % | 6.0 to 30 | |
| 17 |
| Fatigue Strength, MPa | 170 to 310 | |
| 470 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 45 | |
| 77 |
| Shear Strength, MPa | 200 to 520 | |
| 770 |
| Tensile Strength: Ultimate (UTS), MPa | 310 to 860 | |
| 1250 |
| Tensile Strength: Yield (Proof), MPa | 170 to 760 | |
| 850 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 320 |
| Maximum Temperature: Mechanical, °C | 220 | |
| 1000 |
| Melting Completion (Liquidus), °C | 1060 | |
| 1380 |
| Melting Onset (Solidus), °C | 1020 | |
| 1330 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 460 |
| Thermal Conductivity, W/m-K | 200 | |
| 13 |
| Thermal Expansion, µm/m-K | 18 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 60 | |
| 75 |
| Density, g/cm3 | 8.9 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 4.7 | |
| 10 |
| Embodied Energy, MJ/kg | 73 | |
| 140 |
| Embodied Water, L/kg | 320 | |
| 340 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 30 to 120 | |
| 190 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 2390 | |
| 1820 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 23 |
| Strength to Weight: Axial, points | 9.7 to 27 | |
| 42 |
| Strength to Weight: Bending, points | 11 to 23 | |
| 31 |
| Thermal Diffusivity, mm2/s | 59 | |
| 3.3 |
| Thermal Shock Resistance, points | 11 to 29 | |
| 37 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.2 | |
| 1.2 to 1.6 |
| Beryllium (Be), % | 0.4 to 0.7 | |
| 0 |
| Boron (B), % | 0 | |
| 0.0030 to 0.010 |
| Carbon (C), % | 0 | |
| 0.030 to 0.1 |
| Chromium (Cr), % | 0 | |
| 18 to 21 |
| Cobalt (Co), % | 2.4 to 2.7 | |
| 12 to 15 |
| Copper (Cu), % | 95.6 to 97.2 | |
| 0 to 0.5 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 2.0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 3.5 to 5.0 |
| Nickel (Ni), % | 0 | |
| 49.6 to 62.5 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0 | |
| 2.8 to 3.3 |
| Zinc (Zn), % | 0 | |
| 0.020 to 0.12 |
| Residuals, % | 0 to 0.5 | |
| 0 |