C68700 Brass vs. Nickel 718
C68700 brass belongs to the copper alloys classification, while nickel 718 belongs to the nickel alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is C68700 brass and the bottom bar is nickel 718.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 41 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 390 | |
| 930 to 1530 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 510 to 1330 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 310 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 980 |
| Melting Completion (Liquidus), °C | 970 | |
| 1340 |
| Melting Onset (Solidus), °C | 930 | |
| 1260 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 450 |
| Thermal Conductivity, W/m-K | 100 | |
| 11 |
| Thermal Expansion, µm/m-K | 19 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 23 | |
| 1.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 25 | |
| 1.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 26 | |
| 75 |
| Density, g/cm3 | 8.3 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 13 |
| Embodied Energy, MJ/kg | 46 | |
| 190 |
| Embodied Water, L/kg | 340 | |
| 250 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 90 | |
| 660 to 4560 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 23 |
| Strength to Weight: Axial, points | 13 | |
| 31 to 51 |
| Strength to Weight: Bending, points | 14 | |
| 25 to 35 |
| Thermal Diffusivity, mm2/s | 30 | |
| 3.0 |
| Thermal Shock Resistance, points | 13 | |
| 27 to 44 |
Alloy Composition
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| Aluminum (Al), % | 1.8 to 2.5 | |
| 0.2 to 0.8 |
| Arsenic (As), % | 0.020 to 0.1 | |
| 0 |
| Boron (B), % | 0 | |
| 0 to 0.0060 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 | |
| 17 to 21 |
| Cobalt (Co), % | 0 | |
| 0 to 1.0 |
| Copper (Cu), % | 76 to 79 | |
| 0 to 0.3 |
| Iron (Fe), % | 0 to 0.060 | |
| 11.1 to 24.6 |
| Lead (Pb), % | 0 to 0.070 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.35 |
| Molybdenum (Mo), % | 0 | |
| 2.8 to 3.3 |
| Nickel (Ni), % | 0 | |
| 50 to 55 |
| Niobium (Nb), % | 0 | |
| 4.8 to 5.5 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 | |
| 0 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 0.65 to 1.2 |
| Zinc (Zn), % | 17.8 to 22.2 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |