Phosphor bronze is a metal obtained by adding phosphorus to bronze (an alloy of copper and tin) and removing copper oxide
Improved strength, hardness, wear resistance and elasticity, suitable for spring washers
Also has excellent corrosion resistance and non-magnetic properties
C5191 is a representative phosphor bronze
Made in Japan, the elements of the material are evenly distributed and extremely stable.

Phosphor bronze spring washer
Material: C5191
Magnetic permeability: about 1.003μ