C11100 Copper vs. C69710 Brass
Both C11100 copper and C69710 brass are copper alloys. Both are furnished in the H04 (full hard) temper. They have 78% of their average alloy composition in common.
For each property being compared, the top bar is C11100 copper and the bottom bar is C69710 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 1.5 | |
| 25 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 44 | |
| 41 |
| Shear Strength, MPa | 230 | |
| 300 |
| Tensile Strength: Ultimate (UTS), MPa | 460 | |
| 470 |
| Tensile Strength: Yield (Proof), MPa | 420 | |
| 230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 160 |
| Melting Completion (Liquidus), °C | 1080 | |
| 930 |
| Melting Onset (Solidus), °C | 1070 | |
| 880 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 400 |
| Thermal Conductivity, W/m-K | 390 | |
| 40 |
| Thermal Expansion, µm/m-K | 17 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 100 | |
| 8.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 8.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 26 |
| Density, g/cm3 | 9.0 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 41 | |
| 44 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.6 | |
| 99 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 750 | |
| 250 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 14 | |
| 16 |
| Strength to Weight: Bending, points | 15 | |
| 16 |
| Thermal Diffusivity, mm2/s | 110 | |
| 12 |
| Thermal Shock Resistance, points | 16 | |
| 16 |
Alloy Composition
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| Arsenic (As), % | 0 | |
| 0.030 to 0.060 |
| Copper (Cu), % | 99.9 to 100 | |
| 75 to 80 |
| Iron (Fe), % | 0 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 | |
| 0.5 to 1.5 |
| Manganese (Mn), % | 0 | |
| 0 to 0.4 |
| Silicon (Si), % | 0 | |
| 2.5 to 3.5 |
| Zinc (Zn), % | 0 | |
| 13.8 to 22 |
| Residuals, % | 0 to 0.1 | |
| 0 to 0.5 |