C55280 Copper vs. C68000 Brass
Both C55280 copper and C68000 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 58% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is C55280 copper and the bottom bar is C68000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Poisson's Ratio | 0.34 | |
| 0.3 |
| Shear Modulus, GPa | 40 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 180 | |
| 390 |
Thermal Properties
| Brazing Temperature, °C | 730 to 820 | |
| 880 to 980 |
| Latent Heat of Fusion, J/g | 190 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 120 |
| Melting Completion (Liquidus), °C | 790 | |
| 880 |
| Melting Onset (Solidus), °C | 640 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 390 |
| Thermal Expansion, µm/m-K | 16 | |
| 21 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.5 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 4.2 | |
| 2.8 |
| Embodied Energy, MJ/kg | 67 | |
| 48 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.9 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 19 | |
| 20 |
| Strength to Weight: Axial, points | 5.9 | |
| 14 |
| Strength to Weight: Bending, points | 8.3 | |
| 15 |
| Thermal Shock Resistance, points | 7.4 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.010 |
| Copper (Cu), % | 90.5 to 91.4 | |
| 56 to 60 |
| Iron (Fe), % | 0 | |
| 0.25 to 1.3 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 0.010 to 0.5 |
| Nickel (Ni), % | 0 | |
| 0.2 to 0.8 |
| Phosphorus (P), % | 6.8 to 7.2 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0.040 to 0.15 |
| Silver (Ag), % | 1.8 to 2.2 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0.75 to 1.1 |
| Zinc (Zn), % | 0 | |
| 35.6 to 42.8 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.5 |