Page 59 - Electrician - TT (Volume 1)
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ELECTRICIAN - CITS
Brazing
It is the metal joining process by melting a filler metal in to the joint having a lower melting point than the joined
metal. The working temperature of brazing is above 450°c and the working temperature of soldering is below
450°c
Filler metal
Filler metal Application
Nickel Alloy steel, Nickel / Cobalt alloys, Copper alloys
Cobalt Cobalt alloys
Aluminium Aluminium alloys
Copper Alloy steel, Copper alloys, Cast iron, Stainless steel
Flux used
White brazing flux Black brazing flux
Composition of potassium It is white brazing flux with more Boron
salts and Boron
High cost High cost
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CITS : Power - Electrician & Wireman - Lesson 5 - 12
