Lead-free free-cutting alloys
Advantages of lead-free free-cutting alloys
bedra lead‑free free‑cutting alloys comply with internationally recognized environmental and safety standards, including NSF, LFGB, and FDA.
With a lead content of less than 80 ppm, these eco‑friendly free‑cutting alloys deliver cutting performance reaching 90% that of C36000, meeting the demands of high‑speed CNC machining. They are widely used in industries where ecological sustainability, hygiene, and safety are paramount, including consumer electronics, medical devices, children's toys, smart home products, and hardware and sanitary ware.
Our applications
Overview of lead-free free-cutting alloys
bedra49250
- bedra49250 exhibits excellent turning performance comparable to that of C3604, as well as superior riveting and hot forging capabilities.
- bedra49250 possesses outstanding mechanical and electrical properties, making it an ideal material to replace lead brass.
bedra49260
- bedra49260 not only ensures excellent machinability but is also environmentally friendly, through replacing the lead element with bismuth.
- bedra49260 possesses outstanding mechanical and electrical properties, making it an ideal substitute for leaded brass.
bedra49340
- bedra49340 is a new type of free-cutting and environmentally friendly brass alloy with added bismuth and tin.
- bedra49340 contains a minor amount of lead, less than 900 ppm, and complies with the RoHS directive. It offers excellent machinability and good corrosion resistance.
bedra68350
- bedra68350 is a lead-free silicon brass alloy offers an excellent combiation of mechanical properties, machinability, and corrosion resistance.
- bedra68350 is an environmentally friendly material that complies with the RoHS directive.
bedra69300
- bedra69300 is a high-performance, lead-free silicon brass alloy,its strength is comparable to stainless steel, and it is resistant to stress corrosion cracking and dezincification.
- bedra69300 is an environmentally friendly material that fully complies with the RoHS and ELV directives, and is widely recognized as an ideal substitute for conventional lead-containing machining brass.
Plugmax22
- Plugmax22 is a Cu-Ni-Sn alloy strengthened by spinodal hardening.
- Plugmax22 achieves superior mechanical and physical properties through a multi-step manufacturing process.
- Plugmax22 offers excellent electrical conductivity, outstanding corrosion resistance, and effective electromagnetic shielding.
- Its machinability is excellent, comparable to or exceeding that of C17300 (CuBe2Pb). Additionally, it is free of beryllium, lead, and cadmium, and complies with REACH and RoHS regulations.
PlugMax11
- PlugMax11 is a lead-free alloy achieves exceptional machinability, resulting in outstanding tool service life.
- PlugMax11 also provides higher strength and conductivity than most tin bronzes.
bedra5800
- bedra5800 is a copper-zinc alloy brass, characterized by its lead-free composition and good machinability.
- It is primarily used as a cost-effective replacement for conventional lead-containing machining brasses, especially in applications where high mechanical properties and corrosion resistance are not critical.
bedra6000
- bedra6000 is a type of brass alloy with a two-phase (α+β) microstructure, offering an excellent balance of strength, ductility, and machinability.
- bedra6000 can serve as a substitute for conventional lead-containing machining brass when moderate cold formability is required.
- bedra6000 is lead-free and complies with the RoHS and ELV directives.











