C18400 Copper vs. C42600 Brass
Both C18400 copper and C42600 brass are copper alloys. They have 89% of their average alloy composition in common. There are 29 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 C18400 copper and the bottom bar is C42600 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 13 to 50 | |
| 1.1 to 40 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 44 | |
| 42 |
| Shear Strength, MPa | 190 to 310 | |
| 280 to 470 |
| Tensile Strength: Ultimate (UTS), MPa | 270 to 490 | |
| 410 to 830 |
| Tensile Strength: Yield (Proof), MPa | 110 to 480 | |
| 220 to 810 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 180 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1030 |
| Melting Onset (Solidus), °C | 1070 | |
| 1010 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 320 | |
| 110 |
| Thermal Expansion, µm/m-K | 17 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 80 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 81 | |
| 26 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 31 |
| Density, g/cm3 | 8.9 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.9 |
| Embodied Energy, MJ/kg | 41 | |
| 48 |
| Embodied Water, L/kg | 310 | |
| 340 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 63 to 120 | |
| 9.4 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 54 to 980 | |
| 230 to 2970 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 8.5 to 15 | |
| 13 to 27 |
| Strength to Weight: Bending, points | 10 to 16 | |
| 14 to 23 |
| Thermal Diffusivity, mm2/s | 94 | |
| 33 |
| Thermal Shock Resistance, points | 9.6 to 17 | |
| 15 to 29 |
Alloy Composition
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| Arsenic (As), % | 0 to 0.0050 | |
| 0 |
| Calcium (Ca), % | 0 to 0.0050 | |
| 0 |
| Chromium (Cr), % | 0.4 to 1.2 | |
| 0 |
| Copper (Cu), % | 97.2 to 99.6 | |
| 87 to 90 |
| Iron (Fe), % | 0 to 0.15 | |
| 0.050 to 0.2 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Lithium (Li), % | 0 to 0.050 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0.050 to 0.2 |
| Phosphorus (P), % | 0 to 0.050 | |
| 0.020 to 0.050 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Tin (Sn), % | 0 | |
| 2.5 to 4.0 |
| Zinc (Zn), % | 0 to 0.7 | |
| 5.3 to 10.4 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.2 |