C68800 Brass vs. C33200 Brass
Both C68800 brass and C33200 brass are copper alloys. They have 89% 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 C68800 brass and the bottom bar is C33200 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 2.0 to 36 | |
| 7.0 to 60 |
| Poisson's Ratio | 0.32 | |
| 0.31 |
| Rockwell Superficial 30T Hardness | 71 to 83 | |
| 26 to 69 |
| Shear Modulus, GPa | 41 | |
| 40 |
| Shear Strength, MPa | 380 to 510 | |
| 240 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 570 to 890 | |
| 320 to 520 |
| Tensile Strength: Yield (Proof), MPa | 390 to 790 | |
| 110 to 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 130 |
| Melting Completion (Liquidus), °C | 960 | |
| 930 |
| Melting Onset (Solidus), °C | 950 | |
| 900 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 380 |
| Thermal Conductivity, W/m-K | 40 | |
| 120 |
| Thermal Expansion, µm/m-K | 19 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 18 | |
| 26 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 20 | |
| 28 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 26 | |
| 24 |
| Density, g/cm3 | 8.2 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.6 |
| Embodied Energy, MJ/kg | 48 | |
| 44 |
| Embodied Water, L/kg | 350 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 16 to 180 | |
| 35 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 710 to 2860 | |
| 60 to 960 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 19 to 30 | |
| 11 to 17 |
| Strength to Weight: Bending, points | 19 to 25 | |
| 13 to 17 |
| Thermal Diffusivity, mm2/s | 12 | |
| 37 |
| Thermal Shock Resistance, points | 19 to 30 | |
| 11 to 17 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 3.8 | |
| 0 |
| Cobalt (Co), % | 0.25 to 0.55 | |
| 0 |
| Copper (Cu), % | 70.8 to 75.5 | |
| 65 to 68 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.070 |
| Lead (Pb), % | 0 to 0.050 | |
| 1.5 to 2.5 |
| Zinc (Zn), % | 21.3 to 24.1 | |
| 29 to 33.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |