C11000 Copper vs. C33000 Brass
Both C11000 copper and C33000 brass are copper alloys. They have 67% of their average alloy composition in common.
For each property being compared, the top bar is C11000 copper and the bottom bar is C33000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 1.5 to 50 | |
| 7.0 to 60 |
| Poisson's Ratio | 0.34 | |
| 0.31 |
| Rockwell F Hardness | 37 to 94 | |
| 64 to 75 |
| Rockwell Superficial 30T Hardness | 35 to 63 | |
| 26 to 69 |
| Shear Modulus, GPa | 43 | |
| 40 |
| Shear Strength, MPa | 150 to 230 | |
| 240 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 220 to 410 | |
| 320 to 520 |
| Tensile Strength: Yield (Proof), MPa | 69 to 390 | |
| 110 to 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 130 |
| Melting Completion (Liquidus), °C | 1080 | |
| 940 |
| Melting Onset (Solidus), °C | 1070 | |
| 900 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 390 | |
| 120 |
| Thermal Expansion, µm/m-K | 17 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 100 | |
| 26 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 29 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 24 |
| Density, g/cm3 | 9.0 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 41 | |
| 45 |
| Embodied Water, L/kg | 310 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.1 to 91 | |
| 35 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 21 to 640 | |
| 60 to 950 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 6.8 to 13 | |
| 11 to 18 |
| Strength to Weight: Bending, points | 9.0 to 14 | |
| 13 to 18 |
| Thermal Diffusivity, mm2/s | 110 | |
| 37 |
| Thermal Shock Resistance, points | 8.0 to 15 | |
| 11 to 17 |
Alloy Composition
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| Copper (Cu), % | 99.9 to 100 | |
| 65 to 68 |
| Iron (Fe), % | 0 | |
| 0 to 0.070 |
| Lead (Pb), % | 0 | |
| 0.25 to 0.7 |
| Zinc (Zn), % | 0 | |
| 30.8 to 34.8 |
| Residuals, % | 0 to 0.1 | |
| 0 to 0.4 |