C68400 Brass vs. C77600 Nickel Silver
Both C68400 brass and C77600 nickel silver are copper alloys. Both are furnished in the M30 (as hot extruded) condition. They have 78% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is C68400 brass and the bottom bar is C77600 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 18 | |
| 30 |
| Poisson's Ratio | 0.31 | |
| 0.3 |
| Shear Modulus, GPa | 41 | |
| 43 |
| Shear Strength, MPa | 330 | |
| 410 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 630 |
| Tensile Strength: Yield (Proof), MPa | 310 | |
| 320 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 140 |
| Melting Completion (Liquidus), °C | 840 | |
| 830 |
| Melting Onset (Solidus), °C | 820 | |
| 790 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 390 |
| Thermal Expansion, µm/m-K | 20 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 87 | |
| 27 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 99 | |
| 31 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 27 |
| Density, g/cm3 | 7.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 3.7 |
| Embodied Energy, MJ/kg | 47 | |
| 60 |
| Embodied Water, L/kg | 320 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 81 | |
| 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 | |
| 470 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 7.9 |
| Stiffness to Weight: Bending, points | 20 | |
| 20 |
| Strength to Weight: Axial, points | 19 | |
| 22 |
| Strength to Weight: Bending, points | 19 | |
| 21 |
| Thermal Shock Resistance, points | 18 | |
| 20 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.5 | |
| 0 |
| Boron (B), % | 0.0010 to 0.030 | |
| 0 |
| Copper (Cu), % | 59 to 64 | |
| 42 to 45 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 to 0.090 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0.2 to 1.5 | |
| 0 to 0.25 |
| Nickel (Ni), % | 0 to 0.5 | |
| 12 to 14 |
| Phosphorus (P), % | 0.030 to 0.3 | |
| 0 |
| Silicon (Si), % | 1.5 to 2.5 | |
| 0 |
| Tin (Sn), % | 0 to 0.5 | |
| 0 to 0.15 |
| Zinc (Zn), % | 28.6 to 39.3 | |
| 39.7 to 46 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |