EnviB 10
A lead-free machining brass (CuZn40, C28000) from the EnviB® range, high machinability and conductivity, excellent cold and hot forming, with lead content below 1000 ppm.
✓ Lead-free (<1000 ppm Pb) · REACH / RoHSHigh machinability
Free-cutting performance with remarkable machining-tool lifetime.
High conductivity
High electrical conductivity for electrical hardware.
Excellent formability
Excellent cold and hot forming; suitable for welding and polishing.
Corrosion resistant
Good corrosion resistance for everyday service.
Fully integrated supply
Cast to finished form in-house, full traceability.
Special & Standard Brasses.
EnviB®10 (CuZn40, UNS C28000 / C280, EN CW509L) is a lead-free brass from the EnviB® range, designed for machining operations. It combines high machinability with high conductivity, good corrosion resistance and excellent cold and hot forming.
With a remarkable machining-tool lifetime and a lead content below 1000 ppm, EnviB®10 is a REACH / RoHS-compliant substitute for leaded brass in automotive, electrical, mechanical and luxury applications.
Minimum guaranteed properties.
| Grade / spec | Form | Tensile (ksi) | Yield 0.2% (ksi) | Elong. (%) | Hardness (HB) | Hardness (HRC) | Compliant with |
|---|---|---|---|---|---|---|---|
| EnviB 10 | Rods | 59 ksi | 33 ksi | 8 | 73 | n/a | CW509L |
| EnviB 10 | Wires | 59 ksi | 33 ksi | 8 | 73 | n/a | CW509L |
Data for information only, non-contractual. Request a certified datasheet for design allowables.
Physical properties
| Density | 8.4 g/cm³ |
| Electrical conductivity | 26 %IACS |
| Thermal conductivity | 117 W/m·K |
| Young's modulus | 102 GPa |
| Thermal expansion | 21 ×10⁻⁶/K |
| Magnetic permeability | n/a |
| Machinability index | 80 |
| NACE corrosion rating | n/a |
Norms & designations.
Designations
- CuZn40
- UNS C28000 / C280
- EN CW509L · ASTM B36M
Forms & applications.
Rods
Drawn rod, 1.0–16.0 mm (0.04″–0.63″), for screw-machined components.
Wires
Drawn wire, 0.8–12.0 mm (0.03″–0.47″).
Machined components
Free-machined connector and fitting components.
Conductive hardware
Electrical components requiring conductivity and machinability.
Precision parts
Screw-machined precision parts with long tool life.
Luxury components
Polishable lead-free brass for luxury and consumer goods.
Free-machining, without the lead.
EnviB® lead-free brasses match the machinability of leaded brass (lead < 1000 ppm). Send your spec and we will match the right EnviB® grade.