C66300 Brass vs. C74400 Nickel Silver
Both C66300 brass and C74400 nickel silver are copper alloys. They have 74% of their average alloy composition in common.
For each property being compared, the top bar is C66300 brass and the bottom bar is C74400 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 2.3 to 22 | |
| 43 |
| Poisson's Ratio | 0.33 | |
| 0.31 |
| Shear Modulus, GPa | 42 | |
| 39 |
| Shear Strength, MPa | 290 to 470 | |
| 240 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 810 | |
| 350 |
| Tensile Strength: Yield (Proof), MPa | 400 to 800 | |
| 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 140 |
| Melting Completion (Liquidus), °C | 1050 | |
| 930 |
| Melting Onset (Solidus), °C | 1000 | |
| 910 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Conductivity, W/m-K | 110 | |
| 120 |
| Thermal Expansion, µm/m-K | 18 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 25 | |
| 26 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 26 | |
| 29 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 25 |
| Density, g/cm3 | 8.6 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.9 |
| Embodied Energy, MJ/kg | 46 | |
| 48 |
| Embodied Water, L/kg | 320 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 17 to 98 | |
| 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 710 to 2850 | |
| 63 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 15 to 26 | |
| 12 |
| Strength to Weight: Bending, points | 15 to 22 | |
| 14 |
| Thermal Diffusivity, mm2/s | 32 | |
| 37 |
| Thermal Shock Resistance, points | 16 to 28 | |
| 12 |
Alloy Composition
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| Cobalt (Co), % | 0 to 0.2 | |
| 0 |
| Copper (Cu), % | 84.5 to 87.5 | |
| 62 to 66 |
| Iron (Fe), % | 1.4 to 2.4 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Nickel (Ni), % | 0 | |
| 2.0 to 4.0 |
| Phosphorus (P), % | 0 to 0.35 | |
| 0 |
| Tin (Sn), % | 1.5 to 3.0 | |
| 0 |
| Zinc (Zn), % | 6.0 to 12.8 | |
| 29.6 to 36 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.3 |