C69300 Brass vs. C15900 Copper
Both C69300 brass and C15900 copper are copper alloys. They have 75% of their average alloy composition in common.
For each property being compared, the top bar is C69300 brass and the bottom bar is C15900 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 8.5 to 15 | |
| 6.5 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Rockwell B Hardness | 84 to 88 | |
| 95 |
| Shear Modulus, GPa | 41 | |
| 43 |
| Shear Strength, MPa | 330 to 370 | |
| 420 |
| Tensile Strength: Ultimate (UTS), MPa | 550 to 630 | |
| 720 |
| Tensile Strength: Yield (Proof), MPa | 300 to 390 | |
| 240 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 200 |
| Melting Completion (Liquidus), °C | 880 | |
| 1080 |
| Melting Onset (Solidus), °C | 860 | |
| 1030 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 390 |
| Thermal Conductivity, W/m-K | 38 | |
| 280 |
| Thermal Expansion, µm/m-K | 19 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.0 | |
| 48 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.8 | |
| 49 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 26 | |
| 30 |
| Density, g/cm3 | 8.2 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.8 |
| Embodied Energy, MJ/kg | 45 | |
| 45 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 47 to 70 | |
| 37 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 400 to 700 | |
| 260 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 19 to 21 | |
| 23 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 20 |
| Thermal Diffusivity, mm2/s | 12 | |
| 80 |
| Thermal Shock Resistance, points | 19 to 22 | |
| 26 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0.76 to 0.84 |
| Carbon (C), % | 0 | |
| 0.27 to 0.33 |
| Copper (Cu), % | 73 to 77 | |
| 97.5 to 97.9 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.040 |
| Lead (Pb), % | 0 to 0.090 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Nickel (Ni), % | 0 to 0.1 | |
| 0 |
| Oxygen (O), % | 0 | |
| 0.4 to 0.54 |
| Phosphorus (P), % | 0.040 to 0.15 | |
| 0 |
| Silicon (Si), % | 2.7 to 3.4 | |
| 0 |
| Tin (Sn), % | 0 to 0.2 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0.66 to 0.74 |
| Zinc (Zn), % | 18.4 to 24.3 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |