C36200 Brass vs. C18200 Copper
Both C36200 brass and C18200 copper are copper alloys. They have 62% of their average alloy composition in common.
For each property being compared, the top bar is C36200 brass and the bottom bar is C18200 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 120 |
| Elongation at Break, % | 20 to 53 | |
| 11 to 40 |
| Poisson's Ratio | 0.31 | |
| 0.34 |
| Rockwell B Hardness | 62 to 78 | |
| 65 to 82 |
| Shear Modulus, GPa | 39 | |
| 44 |
| Shear Strength, MPa | 210 to 240 | |
| 210 to 320 |
| Tensile Strength: Ultimate (UTS), MPa | 340 to 420 | |
| 310 to 530 |
| Tensile Strength: Yield (Proof), MPa | 130 to 360 | |
| 97 to 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 200 |
| Melting Completion (Liquidus), °C | 900 | |
| 1080 |
| Melting Onset (Solidus), °C | 890 | |
| 1070 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Conductivity, W/m-K | 120 | |
| 320 |
| Thermal Expansion, µm/m-K | 21 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 26 | |
| 80 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 28 | |
| 81 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 31 |
| Density, g/cm3 | 8.2 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.6 |
| Embodied Energy, MJ/kg | 45 | |
| 41 |
| Embodied Water, L/kg | 320 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 74 to 140 | |
| 43 to 96 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 89 to 630 | |
| 40 to 860 |
| Stiffness to Weight: Axial, points | 6.9 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 11 to 14 | |
| 9.6 to 16 |
| Strength to Weight: Bending, points | 13 to 15 | |
| 11 to 16 |
| Thermal Diffusivity, mm2/s | 37 | |
| 93 |
| Thermal Shock Resistance, points | 11 to 14 | |
| 11 to 18 |
Alloy Composition
| Chromium (Cr), % | 0 | |
| 0.6 to 1.2 |
| Copper (Cu), % | 60 to 63 | |
| 98.6 to 99.4 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.1 |
| Lead (Pb), % | 3.5 to 4.5 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 32.4 to 36.5 | |
| 0 |