C68100 Brass vs. C55180 Copper
Both C68100 brass and C55180 copper 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 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is C68100 brass and the bottom bar is C55180 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 110 |
| Elongation at Break, % | 29 | |
| 20 |
| Poisson's Ratio | 0.3 | |
| 0.34 |
| Shear Modulus, GPa | 40 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 380 | |
| 200 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 100 |
Thermal Properties
| Brazing Temperature, °C | 910 to 950 | |
| 790 to 930 |
| Latent Heat of Fusion, J/g | 170 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 200 |
| Melting Completion (Liquidus), °C | 890 | |
| 920 |
| Melting Onset (Solidus), °C | 870 | |
| 710 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 400 |
| Thermal Conductivity, W/m-K | 98 | |
| 200 |
| Thermal Expansion, µm/m-K | 21 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 29 |
| Density, g/cm3 | 7.9 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.5 |
| Embodied Energy, MJ/kg | 47 | |
| 39 |
| Embodied Water, L/kg | 330 | |
| 290 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 86 | |
| 34 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 94 | |
| 48 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 20 | |
| 18 |
| Strength to Weight: Axial, points | 13 | |
| 6.4 |
| Strength to Weight: Bending, points | 15 | |
| 8.8 |
| Thermal Diffusivity, mm2/s | 32 | |
| 56 |
| Thermal Shock Resistance, points | 13 | |
| 7.9 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 56 to 60 | |
| 94.7 to 95.2 |
| Iron (Fe), % | 0.25 to 1.3 | |
| 0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0.010 to 0.5 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 4.8 to 5.2 |
| Silicon (Si), % | 0.040 to 0.15 | |
| 0 |
| Tin (Sn), % | 0.75 to 1.1 | |
| 0 |
| Zinc (Zn), % | 36.4 to 43 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.15 |