C69300 Brass vs. C63600 Bronze
Both C69300 brass and C63600 bronze are copper alloys. They have 77% of their average alloy composition in common.
For each property being compared, the top bar is C69300 brass and the bottom bar is C63600 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 8.5 to 15 | |
| 30 to 66 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Rockwell B Hardness | 84 to 88 | |
| 71 to 84 |
| Shear Modulus, GPa | 41 | |
| 42 |
| Shear Strength, MPa | 330 to 370 | |
| 320 to 360 |
| Tensile Strength: Ultimate (UTS), MPa | 550 to 630 | |
| 410 to 540 |
| Tensile Strength: Yield (Proof), MPa | 300 to 390 | |
| 150 to 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 210 |
| Melting Completion (Liquidus), °C | 880 | |
| 1030 |
| Melting Onset (Solidus), °C | 860 | |
| 980 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 410 |
| Thermal Conductivity, W/m-K | 38 | |
| 57 |
| Thermal Expansion, µm/m-K | 19 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.0 | |
| 12 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.8 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 26 | |
| 30 |
| Density, g/cm3 | 8.2 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.8 |
| Embodied Energy, MJ/kg | 45 | |
| 45 |
| Embodied Water, L/kg | 310 | |
| 340 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 47 to 70 | |
| 98 to 290 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 400 to 700 | |
| 100 to 300 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 19 to 21 | |
| 13 to 18 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 14 to 17 |
| Thermal Diffusivity, mm2/s | 12 | |
| 16 |
| Thermal Shock Resistance, points | 19 to 22 | |
| 15 to 20 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.0 to 4.0 |
| Arsenic (As), % | 0 | |
| 0 to 0.15 |
| Copper (Cu), % | 73 to 77 | |
| 93 to 96.3 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.15 |
| Lead (Pb), % | 0 to 0.090 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Nickel (Ni), % | 0 to 0.1 | |
| 0 to 0.15 |
| Phosphorus (P), % | 0.040 to 0.15 | |
| 0 |
| Silicon (Si), % | 2.7 to 3.4 | |
| 0.7 to 1.3 |
| Tin (Sn), % | 0 to 0.2 | |
| 0 to 0.2 |
| Zinc (Zn), % | 18.4 to 24.3 | |
| 0 to 0.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |