BRAZING
Joining metals by fusion of nonferrous alloys that have melting points above 800?F. but lower then those of the metals being joined. This may be accomplished by means of torch (torch brazing), in a furnace (furnace brazing) or by dipping in a molten flux bath (dip or flux brazing). The filler metal is ordinary in rod form in torch brazing; whereas in furnace and dip brazing the word material is first assembled and the filler metal may then be applied as wire, washers, clips, bands, or may be integrally bonded, as in brazing sheet.