We are currently using 20% silver (Ag: 20%, Cu: 45%, Zn: 35%) brazing filler metal to join (Brazing joint) following combination -
01. Copper tube (6 mm) to copper coated Mild Steel tube (8 mm)
02. Copper coated Mild Steel tube (8 mm) to copper coated Mild Steel tube (8 mm).
Now we want to change 20% Silver filler metal with following filler metal-
Cu: 91.15-92.10 %
P: 6.6-7.0 %
Ag: 1.3-1.70 %
Others: < 0.15
Give me suggestions whether it (1.50 % Silver with above mentioned composition) is suitable or not?
Are there any alternative suitable brazing filler metals for Cu to MS and MS to MS joint?
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