C68300 Brass vs. C87500 Brass
Both C68300 brass and C87500 brass are copper alloys. They have 76% 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 C68300 brass and the bottom bar is C87500 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 110 |
| Elongation at Break, % | 15 | |
| 18 |
| Poisson's Ratio | 0.31 | |
| 0.33 |
| Shear Modulus, GPa | 40 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 430 | |
| 460 |
| Tensile Strength: Yield (Proof), MPa | 260 | |
| 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 170 |
| Melting Completion (Liquidus), °C | 900 | |
| 920 |
| Melting Onset (Solidus), °C | 890 | |
| 820 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 410 |
| Thermal Conductivity, W/m-K | 120 | |
| 28 |
| Thermal Expansion, µm/m-K | 20 | |
| 18 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 27 |
| Density, g/cm3 | 8.0 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.7 |
| Embodied Energy, MJ/kg | 46 | |
| 44 |
| Embodied Water, L/kg | 340 | |
| 300 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 56 | |
| 67 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 | |
| 160 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 20 | |
| 19 |
| Strength to Weight: Axial, points | 15 | |
| 16 |
| Strength to Weight: Bending, points | 16 | |
| 16 |
| Thermal Diffusivity, mm2/s | 38 | |
| 8.3 |
| Thermal Shock Resistance, points | 14 | |
| 17 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.5 |
| Antimony (Sb), % | 0.3 to 1.0 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 59 to 63 | |
| 79 to 85 |
| Lead (Pb), % | 0 to 0.090 | |
| 0 to 0.5 |
| Silicon (Si), % | 0.3 to 1.0 | |
| 3.0 to 5.0 |
| Tin (Sn), % | 0.050 to 0.2 | |
| 0 |
| Zinc (Zn), % | 34.2 to 40.4 | |
| 12 to 16 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |