C48600 Brass vs. C67400 Bronze
Both C48600 brass and C67400 bronze are copper alloys. They have a moderately high 95% of their average alloy composition in common.
For each property being compared, the top bar is C48600 brass and the bottom bar is C67400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 110 |
| Elongation at Break, % | 20 to 25 | |
| 22 to 28 |
| Poisson's Ratio | 0.31 | |
| 0.31 |
| Rockwell B Hardness | 55 to 58 | |
| 78 to 85 |
| Shear Modulus, GPa | 39 | |
| 41 |
| Shear Strength, MPa | 180 to 230 | |
| 310 to 350 |
| Tensile Strength: Ultimate (UTS), MPa | 280 to 360 | |
| 480 to 610 |
| Tensile Strength: Yield (Proof), MPa | 110 to 170 | |
| 250 to 370 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 130 |
| Melting Completion (Liquidus), °C | 900 | |
| 890 |
| Melting Onset (Solidus), °C | 890 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 400 |
| Thermal Conductivity, W/m-K | 110 | |
| 100 |
| Thermal Expansion, µm/m-K | 21 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 25 | |
| 23 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 28 | |
| 26 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 24 | |
| 23 |
| Density, g/cm3 | 8.1 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.8 |
| Embodied Energy, MJ/kg | 47 | |
| 48 |
| Embodied Water, L/kg | 330 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 55 to 59 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 61 to 140 | |
| 300 to 660 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 19 | |
| 20 |
| Strength to Weight: Axial, points | 9.5 to 12 | |
| 17 to 22 |
| Strength to Weight: Bending, points | 12 to 14 | |
| 17 to 20 |
| Thermal Diffusivity, mm2/s | 36 | |
| 32 |
| Thermal Shock Resistance, points | 9.3 to 12 | |
| 16 to 20 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0.5 to 2.0 |
| Arsenic (As), % | 0.020 to 0.25 | |
| 0 |
| Copper (Cu), % | 59 to 62 | |
| 57 to 60 |
| Iron (Fe), % | 0 | |
| 0 to 0.35 |
| Lead (Pb), % | 1.0 to 2.5 | |
| 0 to 0.5 |
| Manganese (Mn), % | 0 | |
| 2.0 to 3.5 |
| Nickel (Ni), % | 0 | |
| 0 to 0.25 |
| Silicon (Si), % | 0 | |
| 0.5 to 1.5 |
| Tin (Sn), % | 0.3 to 1.5 | |
| 0 to 0.3 |
| Zinc (Zn), % | 33.4 to 39.7 | |
| 31.1 to 40 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.5 |