Brass Rods and SectionsSupercedes BS 2874. BS ISO EN Description & Uses CZ112 Cu Zn 38 Sn 1 CW712R Naval brass. The addition of tin improves corrosion resistance, especially in sea water. CZ122 Cu Zn 40 Pb 2 CW617N Stamping brass. The most popular alloy for hot stamping. The Lead content ensures free cutting characteristics. CZ132 Cu Zn 36 Pb 2 As CW602N Dezincification resistant brass. Commonly used in water applications such as shower valves and taps. Brass SheetSupercedes BS 2870. BS ISO EN Description & Uses CZ106 Cu Zn 30 CW505L 70/30 Brass. Deep drawing and spinning quality. Brass Rod Specs,Brass Fitting