C68800 Brass vs. C17000 Copper
Both C68800 brass and C17000 copper are copper alloys. They have 74% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is C68800 brass and the bottom bar is C17000 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 2.0 to 36 | |
| 1.1 to 31 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 41 | |
| 45 |
| Shear Strength, MPa | 380 to 510 | |
| 320 to 750 |
| Tensile Strength: Ultimate (UTS), MPa | 570 to 890 | |
| 490 to 1310 |
| Tensile Strength: Yield (Proof), MPa | 390 to 790 | |
| 160 to 1140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 270 |
| Melting Completion (Liquidus), °C | 960 | |
| 980 |
| Melting Onset (Solidus), °C | 950 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 390 |
| Thermal Conductivity, W/m-K | 40 | |
| 110 |
| Thermal Expansion, µm/m-K | 19 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 18 | |
| 22 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 20 | |
| 22 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.2 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 8.7 |
| Embodied Energy, MJ/kg | 48 | |
| 140 |
| Embodied Water, L/kg | 350 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 16 to 180 | |
| 4.2 to 390 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 710 to 2860 | |
| 110 to 5420 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 19 to 30 | |
| 15 to 41 |
| Strength to Weight: Bending, points | 19 to 25 | |
| 16 to 30 |
| Thermal Diffusivity, mm2/s | 12 | |
| 32 |
| Thermal Shock Resistance, points | 19 to 30 | |
| 17 to 45 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 3.8 | |
| 0 to 0.2 |
| Beryllium (Be), % | 0 | |
| 1.6 to 1.8 |
| Cobalt (Co), % | 0.25 to 0.55 | |
| 0 |
| Copper (Cu), % | 70.8 to 75.5 | |
| 96.3 to 98.2 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.4 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0.2 to 0.6 |
| Silicon (Si), % | 0 | |
| 0 to 0.2 |
| Zinc (Zn), % | 21.3 to 24.1 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |