C18400 Copper vs. C43000 Brass
Both C18400 copper and C43000 brass are copper alloys. They have 86% 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 C18400 copper and the bottom bar is C43000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 13 to 50 | |
| 3.0 to 55 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Rockwell B Hardness | 16 to 84 | |
| 30 to 100 |
| Shear Modulus, GPa | 44 | |
| 42 |
| Shear Strength, MPa | 190 to 310 | |
| 230 to 410 |
| Tensile Strength: Ultimate (UTS), MPa | 270 to 490 | |
| 320 to 710 |
| Tensile Strength: Yield (Proof), MPa | 110 to 480 | |
| 130 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 170 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1030 |
| Melting Onset (Solidus), °C | 1070 | |
| 1000 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 320 | |
| 120 |
| Thermal Expansion, µm/m-K | 17 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 80 | |
| 27 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 81 | |
| 28 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 29 |
| Density, g/cm3 | 8.9 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.8 |
| Embodied Energy, MJ/kg | 41 | |
| 46 |
| Embodied Water, L/kg | 310 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 63 to 120 | |
| 20 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 54 to 980 | |
| 82 to 1350 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 8.5 to 15 | |
| 10 to 23 |
| Strength to Weight: Bending, points | 10 to 16 | |
| 12 to 20 |
| Thermal Diffusivity, mm2/s | 94 | |
| 36 |
| Thermal Shock Resistance, points | 9.6 to 17 | |
| 11 to 25 |
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 | |
| 84 to 87 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.1 |
| Lithium (Li), % | 0 to 0.050 | |
| 0 |
| Phosphorus (P), % | 0 to 0.050 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Tin (Sn), % | 0 | |
| 1.7 to 2.7 |
| Zinc (Zn), % | 0 to 0.7 | |
| 9.7 to 14.3 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |