• All brazed joints in the piping shall be made up using brazing filler metals that bond with the base metals being brazed and that comply with Specification for Brazing Filler Metal, ANSI/AWS A5.8. * Copper-to-copper joints shall be made using a copper-phosphorus brazing filler metal (BCuP series) without flux. * Dissimilar metals such as copper and brass shall be joined using an appropriate flux w