CuZn21Si3P (CW724R / C69300 Eco-Brass) technical material datasheet. Lead-free silicon brass (Pb ≤ 0.09%) for California Prop 65, NSF/ANSI 61, and WRAS drinking water applications.
This datasheet details chemical composition spectro limits, mechanical tensile properties, physical thermal constants, and fabrication ratings according to European EN and American ASTM standards.
| Element | Min % | Max % | Standard Specification |
|---|---|---|---|
| Copper (Cu) | 57.0% | 63.0% | EN 12164 / ASTM B16 |
| Lead (Pb) | 1.6% | 3.5% | RoHS 3 Exemption 6(c) Authorized |
| Zinc (Zn) | Balance | Optical Emission Spectro Tested | |