Admiralty Brass tube C44300, CUZN28SN1, manily for Evaporator,Heat Exchanger,Condenser,Distiller,Oil Well Pump,Ferrule and so on 1. ... Standard: ASTMB 111, C44300, CuZn28Sn12. Specfication : O.D 6mm to O.D 40mm; 3. Quality : Bright and smmoth surface, no ... burr in the end ; According to the ISO9001;4. Application : manily for Evaporator,Heat Exchanger,Condenser,Distiller,Oil Well Pump,Ferrule and ...