BS2874/CZ121M (1986)BS EN 12164/CW614N. Brass Rod, Bar ; Sheet. The RS Pro range of Brass bar, rod and sheets, offer great machining qualities and a high degree of resistance to corrosion. Suitable for different types of applications. Features and Benefits. Toughness at all temperatures. Corrosion resistance. Low magnetic permeability. Good machinability and formability