ISO Composition: CuSn4Pb4Zn4
UNS/Norms: C54400
BZ4 | CuSn4Pb4Zn4 | C54400 is a high-performance tin bronze alloy offering an excellent combination of mechanical strength, toughness, and corrosion resistance. Tin improves hardness and resistance to corrosive media, while the controlled addition of lead ensures superior machinability and a high-quality surface finish for precision manufacturing. This makes BZ4 ideal for components used in industrial machinery and marine environments.
BZ4 | CuSn4Pb4Zn4 | C54400 guarantees dimensional stability and structural integrity under moderate mechanical loads and thermal cycling, delivering reliable performance in parts exposed to repetitive stress and sliding or rotational contact. Its low coefficient of friction and outstanding wear resistance minimize material degradation and extend service life in bearings, bushings, and other moving parts under dry or lubricated conditions.
BZ4 | CuSn4Pb4Zn4 | C54400 is used in engineering components where resistance to wear and corrosion is critical, including industrial bushings, bearing sleeves, shafts, and sliding guides subjected to continuous mechanical stress.
BZ4 | CuSn4Pb4Zn4 | C54400 is also applied in general engineering and industrial machinery, offering high machinability, toughness, and reliability for parts exposed to moderate loads, friction, and environmental corrosion, ensuring consistent performance over extended service periods.
Industrial Equipment
BZ4 | CuSn4Pb4Zn4 | C54400 is widely used in industrial equipment for bushings, bearing sleeves, gears, and sliding components, where wear resistance, machinability, and reliable mechanical performance under repetitive motion are essential.
General Engineering
The alloy ensures stable performance in shafts, guides, and structural components exposed to moderate loads and friction, delivering long service life and reduced maintenance.
Automotive and Machinery Components
It is applied in mechanical linkages, couplings, and low-load rotating parts requiring corrosion resistance, toughness, and precision machining.
Marine Industry
BZ4 | CuSn4Pb4Zn4 | C54400 provides reliable corrosion resistance and wear performance for non-critical marine hardware, pump components, and light-duty hydraulic bushings in freshwater or mildly corrosive environments.
