Cartridge brass C26000 vs Low-leaded brass C33000
Property comparison of Cartridge brass C26000 and Low-leaded brass C33000, both copper alloy.
| Property | Cartridge brass C26000 | Low-leaded brass C33000 | Difference |
|---|---|---|---|
| Yield strength | 76 MPa | 103 MPa | +36% |
| Tensile strength | 303 MPa | 324 MPa | +7% |
| Elongation | 66 % | 60 % | -9% |
| Elastic modulus | 105,000 MPa | 105,000 MPa | 0% |
| Shear modulus | 40,000 MPa | 40,000 MPa | 0% |
| Poisson ratio | 0.32 | 0.32 | 0% |
| Density | 8,530 kg/m³ | 8,500 kg/m³ | 0% |
| Thermal conductivity | 120 W/m·K | 115 W/m·K | -4% |
| Specific heat | 385 J/kg·K | 385 J/kg·K | 0% |
| Coefficient of thermal expansion | 0.00002 1/K | 0.00002 1/K | +1% |
| Melting point | 915 °C | 905 °C | -1% |
Difference is Low-leaded brass C33000 relative to Cartridge brass C26000. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- ANSI
- standard
- ANSI
About brass copper alloys
Brass is the copper-zinc alloy family. C26000 (cartridge brass, 70/30) is the standard for deep drawing, ammunition cases, and decorative work. Higher-zinc brasses such as C36000 (free-cutting) are the standard for screw-machine work. Lead-free brass is increasingly required for potable-water service.
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