C87500 Brass vs. C97600 Dairy Metal
Both C87500 brass and C97600 dairy metal are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 71% of their average alloy composition in common.
For each property being compared, the top bar is C87500 brass and the bottom bar is C97600 dairy metal.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 18 | |
| 11 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 42 | |
| 46 |
| Tensile Strength: Ultimate (UTS), MPa | 460 | |
| 310 |
| Tensile Strength: Yield (Proof), MPa | 190 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 210 |
| Melting Completion (Liquidus), °C | 920 | |
| 1140 |
| Melting Onset (Solidus), °C | 820 | |
| 1110 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 380 |
| Thermal Conductivity, W/m-K | 28 | |
| 22 |
| Thermal Expansion, µm/m-K | 18 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 6.7 | |
| 5.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.3 | |
| 5.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 27 | |
| 37 |
| Density, g/cm3 | 8.3 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 4.6 |
| Embodied Energy, MJ/kg | 44 | |
| 69 |
| Embodied Water, L/kg | 300 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 67 | |
| 29 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 | |
| 85 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 16 | |
| 9.8 |
| Strength to Weight: Bending, points | 16 | |
| 12 |
| Thermal Diffusivity, mm2/s | 8.3 | |
| 6.5 |
| Thermal Shock Resistance, points | 17 | |
| 11 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.5 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 0 | |
| 0 to 0.25 |
| Copper (Cu), % | 79 to 85 | |
| 63 to 67 |
| Iron (Fe), % | 0 | |
| 0 to 1.5 |
| Lead (Pb), % | 0 to 0.5 | |
| 3.0 to 5.0 |
| Nickel (Ni), % | 0 | |
| 19 to 21.5 |
| Phosphorus (P), % | 0 | |
| 0 to 0.050 |
| Silicon (Si), % | 3.0 to 5.0 | |
| 0 to 0.15 |
| Sulfur (S), % | 0 | |
| 0 to 0.080 |
| Tin (Sn), % | 0 | |
| 3.5 to 4.0 |
| Zinc (Zn), % | 12 to 16 | |
| 3.0 to 9.0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.3 |