Saldflux - Brazing

Copper-phosphorus and silver-copper-phosphorus brazing alloys are widely used in joining copper to copper in air without the use of a flux (thanks to its phosphorus content). The addition of silver to copper-phosphorus improves ductility and electrical conductivity in the alloy and it reduces its melting range.

These filler metals can be used for brazing brass or bronze with the adding of flux: the self-fluxing action fails to work because of the presence of the zinc oxide on the brass.

These alloys should not be used on ferrous or nickel based alloys, on copper-nickels with more than 10% nickel, to avoid formation of brittel, intermetallic phosphide compounds

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20072 Fizzonasco di P.E. - Milano - Italy

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