Nickel 718 vs. C68800 Brass
Nickel 718 belongs to the nickel alloys classification, while C68800 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is nickel 718 and the bottom bar is C68800 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 12 to 50 | |
| 2.0 to 36 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 75 | |
| 41 |
| Shear Strength, MPa | 660 to 950 | |
| 380 to 510 |
| Tensile Strength: Ultimate (UTS), MPa | 930 to 1530 | |
| 570 to 890 |
| Tensile Strength: Yield (Proof), MPa | 510 to 1330 | |
| 390 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 980 | |
| 160 |
| Melting Completion (Liquidus), °C | 1340 | |
| 960 |
| Melting Onset (Solidus), °C | 1260 | |
| 950 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 400 |
| Thermal Conductivity, W/m-K | 11 | |
| 40 |
| Thermal Expansion, µm/m-K | 13 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.4 | |
| 18 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.5 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 26 |
| Density, g/cm3 | 8.3 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 13 | |
| 2.8 |
| Embodied Energy, MJ/kg | 190 | |
| 48 |
| Embodied Water, L/kg | 250 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 390 | |
| 16 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 660 to 4560 | |
| 710 to 2860 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 23 | |
| 19 |
| Strength to Weight: Axial, points | 31 to 51 | |
| 19 to 30 |
| Strength to Weight: Bending, points | 25 to 35 | |
| 19 to 25 |
| Thermal Diffusivity, mm2/s | 3.0 | |
| 12 |
| Thermal Shock Resistance, points | 27 to 44 | |
| 19 to 30 |
Alloy Composition
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| Aluminum (Al), % | 0.2 to 0.8 | |
| 3.0 to 3.8 |
| Boron (B), % | 0 to 0.0060 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Chromium (Cr), % | 17 to 21 | |
| 0 |
| Cobalt (Co), % | 0 to 1.0 | |
| 0.25 to 0.55 |
| Copper (Cu), % | 0 to 0.3 | |
| 70.8 to 75.5 |
| Iron (Fe), % | 11.1 to 24.6 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 0.35 | |
| 0 |
| Molybdenum (Mo), % | 2.8 to 3.3 | |
| 0 |
| Nickel (Ni), % | 50 to 55 | |
| 0 |
| Niobium (Nb), % | 4.8 to 5.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 0.65 to 1.2 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 21.3 to 24.1 |
| Residuals, % | 0 | |
| 0 to 0.5 |