C33500 Brass vs. C68700 Brass
Both C33500 brass and C68700 brass are copper alloys. They have 84% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C33500 brass and the bottom bar is C68700 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 110 |
| Poisson's Ratio | 0.31 | |
| 0.32 |
| Shear Modulus, GPa | 40 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 340 to 650 | |
| 390 |
| Tensile Strength: Yield (Proof), MPa | 120 to 420 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 160 |
| Melting Completion (Liquidus), °C | 930 | |
| 970 |
| Melting Onset (Solidus), °C | 900 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 400 |
| Thermal Conductivity, W/m-K | 120 | |
| 100 |
| Thermal Expansion, µm/m-K | 20 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 26 | |
| 23 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 29 | |
| 25 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 24 | |
| 26 |
| Density, g/cm3 | 8.1 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.8 |
| Embodied Energy, MJ/kg | 45 | |
| 46 |
| Embodied Water, L/kg | 320 | |
| 340 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 69 to 860 | |
| 90 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 12 to 22 | |
| 13 |
| Strength to Weight: Bending, points | 13 to 21 | |
| 14 |
| Thermal Diffusivity, mm2/s | 37 | |
| 30 |
| Thermal Shock Resistance, points | 11 to 22 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 1.8 to 2.5 |
| Arsenic (As), % | 0 | |
| 0.020 to 0.1 |
| Copper (Cu), % | 62 to 65 | |
| 76 to 79 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.060 |
| Lead (Pb), % | 0.25 to 0.7 | |
| 0 to 0.070 |
| Zinc (Zn), % | 33.8 to 37.8 | |
| 17.8 to 22.2 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.5 |