Tag Archives: brazing copper pipe

Brazing Copper Tube to Brass Fitting With Induction  Objective: To use induction heating to braze a copper tube to a brass fitting using a preform braze wire. Processing is to occur under an atmosphere of Nitrogen and 4% Hydrogen gas. The braze preforms melt at 1190°F, but the parts need to be kept below 1300°F. […]

Induction Brazing Copper Fittings Objective: Copper ‘tees’ and ‘ells’ are to be brazed to the aluminum body of a refrigeration valve Material: customer’s valve copper fittings braze Temperature: 2550 ºF (1400°C) Frequency: 585 kHz Equipment: DW-UHF-10kw induction heating system including a workhead containing two 1.5μF capacitors (total 0.75μF) and a three-turn helical coil Process: The valve is […]