Lead-Free Eco Brass CW724R (CuZn21Si3P): Silicon Hardness & Carbide Wear
Engineering Overview: Engineering breakdown of CW724R silicon-phosphorus lead-free brass, detailing carbide cutter wear and compliance with RoHS/REACH.
Technical & Engineering Specifications
| Alloy Grade | CW724R (CuZn21Si3P / Lead-Free Brass) |
|---|---|
| Lead Content | < 0.05% Pb (100% RoHS / REACH Compliant) |
| Tensile Yield | > 600 MPa High Strength |
| Corrosion Test | ISO 6509 Dezincification Resistant |
Environmental Lead-Free Compliance
Global environmental standards strictly limit lead in commercial architectural hardware.
CW724R Silicon Brass Metallurgy
- Silicon Strengthening: Replaces lead with 3% silicon and 0.1% phosphorus.
- High Tensile Yield: Yield strength $>600\text{ MPa}$ with zero dezincification risk under ISO 6509.
Frequently Asked Engineering & Selection Questions
Q1: What are the primary material characteristics of this finish?
Engineering breakdown of CW724R silicon-phosphorus lead-free brass, detailing carbide cutter wear and compliance with RoHS/REACH.