C68000 Brass vs. C75700 Nickel Silver
Both C68000 brass and C75700 nickel silver are copper alloys. They have 82% of their average alloy composition in common. There are 26 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 C68000 brass and the bottom bar is C75700 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 120 |
| Elongation at Break, % | 27 | |
| 3.2 to 22 |
| Poisson's Ratio | 0.3 | |
| 0.32 |
| Shear Modulus, GPa | 40 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 390 | |
| 590 to 610 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 470 to 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 180 |
| Melting Completion (Liquidus), °C | 880 | |
| 1040 |
| Melting Onset (Solidus), °C | 870 | |
| 990 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 96 | |
| 40 |
| Thermal Expansion, µm/m-K | 21 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 30 |
| Density, g/cm3 | 8.0 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 3.6 |
| Embodied Energy, MJ/kg | 48 | |
| 56 |
| Embodied Water, L/kg | 330 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 82 | |
| 19 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 95 | |
| 930 to 1410 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.8 |
| Stiffness to Weight: Bending, points | 20 | |
| 19 |
| Strength to Weight: Axial, points | 14 | |
| 19 to 20 |
| Strength to Weight: Bending, points | 15 | |
| 19 |
| Thermal Diffusivity, mm2/s | 31 | |
| 12 |
| Thermal Shock Resistance, points | 13 | |
| 22 to 23 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 56 to 60 | |
| 63.5 to 66.5 |
| Iron (Fe), % | 0.25 to 1.3 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0.010 to 0.5 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0.2 to 0.8 | |
| 11 to 13 |
| Silicon (Si), % | 0.040 to 0.15 | |
| 0 |
| Tin (Sn), % | 0.75 to 1.1 | |
| 0 |
| Zinc (Zn), % | 35.6 to 42.8 | |
| 19.2 to 25.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |