Nickel 684 vs. C47940 Brass
Nickel 684 belongs to the nickel alloys classification, while C47940 brass belongs to the copper alloys. There are 25 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 nickel 684 and the bottom bar is C47940 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 100 |
| Elongation at Break, % | 11 | |
| 14 to 34 |
| Poisson's Ratio | 0.29 | |
| 0.31 |
| Shear Modulus, GPa | 76 | |
| 40 |
| Shear Strength, MPa | 710 | |
| 250 to 310 |
| Tensile Strength: Ultimate (UTS), MPa | 1190 | |
| 380 to 520 |
| Tensile Strength: Yield (Proof), MPa | 800 | |
| 160 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 1000 | |
| 130 |
| Melting Completion (Liquidus), °C | 1370 | |
| 850 |
| Melting Onset (Solidus), °C | 1320 | |
| 800 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 380 |
| Thermal Expansion, µm/m-K | 13 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 25 |
| Density, g/cm3 | 8.3 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 2.8 |
| Embodied Energy, MJ/kg | 140 | |
| 47 |
| Embodied Water, L/kg | 360 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 | |
| 68 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1610 | |
| 120 to 740 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 23 | |
| 19 |
| Strength to Weight: Axial, points | 40 | |
| 13 to 17 |
| Strength to Weight: Bending, points | 30 | |
| 14 to 17 |
| Thermal Shock Resistance, points | 34 | |
| 13 to 17 |
Alloy Composition
| Aluminum (Al), % | 2.5 to 3.3 | |
| 0 |
| Boron (B), % | 0.0030 to 0.010 | |
| 0 |
| Carbon (C), % | 0 to 0.15 | |
| 0 |
| Chromium (Cr), % | 15 to 20 | |
| 0 |
| Cobalt (Co), % | 13 to 20 | |
| 0 |
| Copper (Cu), % | 0 to 0.15 | |
| 63 to 66 |
| Iron (Fe), % | 0 to 4.0 | |
| 0.1 to 1.0 |
| Lead (Pb), % | 0 | |
| 1.0 to 2.0 |
| Manganese (Mn), % | 0 to 0.75 | |
| 0 |
| Molybdenum (Mo), % | 3.0 to 5.0 | |
| 0 |
| Nickel (Ni), % | 42.7 to 64 | |
| 0.1 to 0.5 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Tin (Sn), % | 0 | |
| 1.2 to 2.0 |
| Titanium (Ti), % | 2.5 to 3.3 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 28.1 to 34.6 |
| Residuals, % | 0 | |
| 0 to 0.4 |