We have over 40000 brass rings and potentially another 70000 to be scrapped.
Specifications:

Alloy : H62 Brass
Dimension : 75mm Diameter
Hardness : Soft

Tensile Stress Strength : 320Mpa
Rate of Elongation : 45%

Chemical Content :

Cu Sn Zn Pb Fe Ni Al P As Mn S Bi Sb
% Max 63.5 0.05 35 0.04 0.15 0 0 0.01 0 0 0 0.002 0.005
% Min 60.5 0.05 34.8 0.03 0.08 0 0 0.02 0 0 0 0.003 0.006