C55284 Copper vs. C68100 Brass
Both C55284 copper and C68100 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 (10, in this case) are not shown.
For each property being compared, the top bar is C55284 copper and the bottom bar is C68100 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 100 |
| Poisson's Ratio | 0.34 | |
| 0.3 |
| Shear Modulus, GPa | 38 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 180 | |
| 380 |
Thermal Properties
| Brazing Temperature, °C | 700 to 820 | |
| 910 to 950 |
| Latent Heat of Fusion, J/g | 180 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 120 |
| Melting Completion (Liquidus), °C | 800 | |
| 890 |
| Melting Onset (Solidus), °C | 640 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Expansion, µm/m-K | 17 | |
| 21 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 16 | |
| 2.8 |
| Embodied Energy, MJ/kg | 260 | |
| 47 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.5 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 18 | |
| 20 |
| Strength to Weight: Axial, points | 5.6 | |
| 13 |
| Strength to Weight: Bending, points | 8.0 | |
| 15 |
| Thermal Shock Resistance, points | 7.4 | |
| 13 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.010 |
| Copper (Cu), % | 79.2 to 80.7 | |
| 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 |
| Phosphorus (P), % | 4.8 to 5.2 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0.040 to 0.15 |
| Silver (Ag), % | 14.5 to 15.5 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0.75 to 1.1 |
| Zinc (Zn), % | 0 | |
| 36.4 to 43 |
| Residuals, % | 0 | |
| 0 to 0.5 |