C21000 Brass vs. C19000 Copper
Both C21000 brass and C19000 copper are copper alloys. They have a very high 96% 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 C21000 brass and the bottom bar is C19000 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 2.9 to 50 | |
| 2.5 to 50 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Rockwell B Hardness | 36 to 73 | |
| 45 to 94 |
| Shear Modulus, GPa | 43 | |
| 43 |
| Shear Strength, MPa | 180 to 280 | |
| 170 to 390 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 450 | |
| 260 to 760 |
| Tensile Strength: Yield (Proof), MPa | 69 to 440 | |
| 140 to 630 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 200 |
| Melting Completion (Liquidus), °C | 1070 | |
| 1080 |
| Melting Onset (Solidus), °C | 1050 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 230 | |
| 250 |
| Thermal Expansion, µm/m-K | 18 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 56 | |
| 60 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 57 | |
| 61 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 31 |
| Density, g/cm3 | 8.8 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 42 | |
| 42 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 100 | |
| 18 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 21 to 830 | |
| 89 to 1730 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 7.4 to 14 | |
| 8.2 to 24 |
| Strength to Weight: Bending, points | 9.6 to 15 | |
| 10 to 21 |
| Thermal Diffusivity, mm2/s | 69 | |
| 73 |
| Thermal Shock Resistance, points | 8.1 to 15 | |
| 9.3 to 27 |
Alloy Composition
Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452
| Copper (Cu), % | 94 to 96 | |
| 96.9 to 99 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.030 | |
| 0 to 0.050 |
| Nickel (Ni), % | 0 | |
| 0.9 to 1.3 |
| Phosphorus (P), % | 0 | |
| 0.15 to 0.35 |
| Zinc (Zn), % | 3.7 to 6.0 | |
| 0 to 0.8 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.5 |