C66200 Brass vs. C74400 Nickel Silver
Both C66200 brass and C74400 nickel silver are copper alloys. They have 75% of their average alloy composition in common.
For each property being compared, the top bar is C66200 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, % | 8.0 to 15 | |
| 43 |
| Poisson's Ratio | 0.33 | |
| 0.31 |
| Shear Modulus, GPa | 42 | |
| 39 |
| Shear Strength, MPa | 270 to 300 | |
| 240 |
| Tensile Strength: Ultimate (UTS), MPa | 450 to 520 | |
| 350 |
| Tensile Strength: Yield (Proof), MPa | 410 to 480 | |
| 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 140 |
| Melting Completion (Liquidus), °C | 1070 | |
| 930 |
| Melting Onset (Solidus), °C | 1030 | |
| 910 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 150 | |
| 120 |
| Thermal Expansion, µm/m-K | 18 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 | |
| 26 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 36 | |
| 29 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 25 |
| Density, g/cm3 | 8.7 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.9 |
| Embodied Energy, MJ/kg | 43 | |
| 48 |
| Embodied Water, L/kg | 320 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 40 to 66 | |
| 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 760 to 1030 | |
| 63 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 14 to 17 | |
| 12 |
| Strength to Weight: Bending, points | 15 to 16 | |
| 14 |
| Thermal Diffusivity, mm2/s | 45 | |
| 37 |
| Thermal Shock Resistance, points | 16 to 18 | |
| 12 |
Alloy Composition
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| Copper (Cu), % | 86.6 to 91 | |
| 62 to 66 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Nickel (Ni), % | 0.3 to 1.0 | |
| 2.0 to 4.0 |
| Phosphorus (P), % | 0.050 to 0.2 | |
| 0 |
| Tin (Sn), % | 0.2 to 0.7 | |
| 0 |
| Zinc (Zn), % | 6.5 to 12.9 | |
| 29.6 to 36 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.3 |