C27200 Brass vs. C68300 Brass
Both C27200 brass and C68300 brass are copper alloys. They have a very high 97% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is C27200 brass and the bottom bar is C68300 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 10 to 50 | |
| 15 |
| Poisson's Ratio | 0.31 | |
| 0.31 |
| Rockwell B Hardness | 53 to 86 | |
| 60 |
| Shear Modulus, GPa | 40 | |
| 40 |
| Shear Strength, MPa | 230 to 320 | |
| 260 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 590 | |
| 430 |
| Tensile Strength: Yield (Proof), MPa | 150 to 410 | |
| 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 120 |
| Melting Completion (Liquidus), °C | 920 | |
| 900 |
| Melting Onset (Solidus), °C | 870 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 120 | |
| 120 |
| Thermal Expansion, µm/m-K | 20 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 24 | |
| 23 |
| Density, g/cm3 | 8.1 | |
| 8.0 |
| 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: Ultimate (Unit Rupture Work), MJ/m3 | 30 to 270 | |
| 56 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 810 | |
| 330 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 19 | |
| 20 |
| Strength to Weight: Axial, points | 13 to 20 | |
| 15 |
| Strength to Weight: Bending, points | 14 to 19 | |
| 16 |
| Thermal Diffusivity, mm2/s | 37 | |
| 38 |
| Thermal Shock Resistance, points | 12 to 20 | |
| 14 |
Alloy Composition
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| Antimony (Sb), % | 0 | |
| 0.3 to 1.0 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.010 |
| Copper (Cu), % | 62 to 65 | |
| 59 to 63 |
| Iron (Fe), % | 0 to 0.070 | |
| 0 |
| Lead (Pb), % | 0 to 0.070 | |
| 0 to 0.090 |
| Silicon (Si), % | 0 | |
| 0.3 to 1.0 |
| Tin (Sn), % | 0 | |
| 0.050 to 0.2 |
| Zinc (Zn), % | 34.6 to 38 | |
| 34.2 to 40.4 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.5 |