C16500 Copper vs. C42500 Brass
Both C16500 copper and C42500 brass are copper alloys. They have 89% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is C16500 copper and the bottom bar is C42500 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 1.5 to 53 | |
| 2.0 to 49 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Rockwell Superficial 30T Hardness | 67 to 73 | |
| 32 to 76 |
| Shear Modulus, GPa | 43 | |
| 42 |
| Shear Strength, MPa | 200 to 310 | |
| 220 to 360 |
| Tensile Strength: Ultimate (UTS), MPa | 280 to 530 | |
| 310 to 630 |
| Tensile Strength: Yield (Proof), MPa | 97 to 520 | |
| 120 to 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 340 | |
| 180 |
| Melting Completion (Liquidus), °C | 1070 | |
| 1030 |
| Melting Onset (Solidus), °C | 1010 | |
| 1010 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 380 |
| Thermal Conductivity, W/m-K | 250 | |
| 120 |
| Thermal Expansion, µm/m-K | 17 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 60 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 61 | |
| 29 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 30 |
| Density, g/cm3 | 8.9 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.8 |
| Embodied Energy, MJ/kg | 42 | |
| 46 |
| Embodied Water, L/kg | 320 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.8 to 110 | |
| 12 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 41 to 1160 | |
| 64 to 1570 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 8.6 to 17 | |
| 9.9 to 20 |
| Strength to Weight: Bending, points | 11 to 16 | |
| 12 to 19 |
| Thermal Diffusivity, mm2/s | 74 | |
| 36 |
| Thermal Shock Resistance, points | 9.8 to 19 | |
| 11 to 22 |
Alloy Composition
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| Cadmium (Cd), % | 0.6 to 1.0 | |
| 0 |
| Copper (Cu), % | 97.8 to 98.9 | |
| 87 to 90 |
| Iron (Fe), % | 0 to 0.020 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0 | |
| 0 to 0.35 |
| Tin (Sn), % | 0.5 to 0.7 | |
| 1.5 to 3.0 |
| Zinc (Zn), % | 0 | |
| 6.1 to 11.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |