Original poster: "RICHARD HALL by way of Terry Fritz <twftesla-at-qwest-dot-net>" <richhallpfs-at-mcleodusa-dot-net> Hello Terry and coilers Terry you made ref.to tungsten/carbide . The answer to your Ques. is YES you can silver solder or brase these alloys- I like to use the silver solder flux they will wet down real nice . be safe Rich H