C84800 Brass vs. C72800 Copper-nickel
Both C84800 brass and C72800 copper-nickel are copper alloys. They have 80% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is C84800 brass and the bottom bar is C72800 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 120 |
| Elongation at Break, % | 18 | |
| 3.9 to 23 |
| Poisson's Ratio | 0.33 | |
| 0.34 |
| Shear Modulus, GPa | 39 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 230 | |
| 520 to 1270 |
| Tensile Strength: Yield (Proof), MPa | 100 | |
| 250 to 1210 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 150 | |
| 200 |
| Melting Completion (Liquidus), °C | 950 | |
| 1080 |
| Melting Onset (Solidus), °C | 830 | |
| 920 |
| Specific Heat Capacity, J/kg-K | 370 | |
| 380 |
| Thermal Conductivity, W/m-K | 72 | |
| 55 |
| Thermal Expansion, µm/m-K | 19 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 16 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 17 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 27 | |
| 38 |
| Density, g/cm3 | 8.6 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 4.4 |
| Embodied Energy, MJ/kg | 46 | |
| 68 |
| Embodied Water, L/kg | 340 | |
| 360 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 34 | |
| 37 to 99 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 53 | |
| 260 to 5650 |
| Stiffness to Weight: Axial, points | 6.6 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 7.3 | |
| 17 to 40 |
| Strength to Weight: Bending, points | 9.6 | |
| 16 to 30 |
| Thermal Diffusivity, mm2/s | 23 | |
| 17 |
| Thermal Shock Resistance, points | 8.2 | |
| 19 to 45 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0050 | |
| 0 to 0.1 |
| Antimony (Sb), % | 0 to 0.25 | |
| 0 to 0.020 |
| Bismuth (Bi), % | 0 | |
| 0 to 0.0010 |
| Boron (B), % | 0 | |
| 0 to 0.0010 |
| Copper (Cu), % | 75 to 77 | |
| 78.3 to 82.8 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 0.5 |
| Lead (Pb), % | 5.5 to 7.0 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 0 | |
| 0.0050 to 0.15 |
| Manganese (Mn), % | 0 | |
| 0.050 to 0.3 |
| Nickel (Ni), % | 0 to 1.0 | |
| 9.5 to 10.5 |
| Niobium (Nb), % | 0 | |
| 0.1 to 0.3 |
| Phosphorus (P), % | 0 to 1.5 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 to 0.050 |
| Sulfur (S), % | 0 to 0.080 | |
| 0 to 0.0025 |
| Tin (Sn), % | 2.0 to 3.0 | |
| 7.5 to 8.5 |
| Titanium (Ti), % | 0 | |
| 0 to 0.010 |
| Zinc (Zn), % | 13 to 17 | |
| 0 to 1.0 |
| Residuals, % | 0 to 0.7 | |
| 0 to 0.3 |