C15100 Copper vs. C68800 Brass
Both C15100 copper and C68800 brass are copper alloys. They have 73% of their average alloy composition in common.
For each property being compared, the top bar is C15100 copper and the bottom bar is C68800 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 2.0 to 36 | |
| 2.0 to 36 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Rockwell B Hardness | 30 to 64 | |
| 81 to 99 |
| Rockwell Superficial 30T Hardness | 48 to 65 | |
| 71 to 83 |
| Shear Modulus, GPa | 43 | |
| 41 |
| Shear Strength, MPa | 170 to 270 | |
| 380 to 510 |
| Tensile Strength: Ultimate (UTS), MPa | 260 to 470 | |
| 570 to 890 |
| Tensile Strength: Yield (Proof), MPa | 69 to 460 | |
| 390 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 160 |
| Melting Completion (Liquidus), °C | 1100 | |
| 960 |
| Melting Onset (Solidus), °C | 1030 | |
| 950 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 400 |
| Thermal Conductivity, W/m-K | 360 | |
| 40 |
| Thermal Expansion, µm/m-K | 17 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 95 | |
| 18 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 95 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 26 |
| Density, g/cm3 | 9.0 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.8 |
| Embodied Energy, MJ/kg | 43 | |
| 48 |
| Embodied Water, L/kg | 310 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 9.3 to 71 | |
| 16 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 21 to 890 | |
| 710 to 2860 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 8.1 to 15 | |
| 19 to 30 |
| Strength to Weight: Bending, points | 10 to 15 | |
| 19 to 25 |
| Thermal Diffusivity, mm2/s | 100 | |
| 12 |
| Thermal Shock Resistance, points | 9.3 to 17 | |
| 19 to 30 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.0 to 3.8 |
| Cobalt (Co), % | 0 | |
| 0.25 to 0.55 |
| Copper (Cu), % | 99.8 to 99.95 | |
| 70.8 to 75.5 |
| Iron (Fe), % | 0 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 0 | |
| 21.3 to 24.1 |
| Zirconium (Zr), % | 0.050 to 0.15 | |
| 0 |
| Residuals, % | 0 to 0.1 | |
| 0 to 0.5 |