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Lucas-Milhaupt Premabraze 616 Silver Based Cadmium Free Filler Metal

 

Subcategory: Silver Alloy; Indium Alloy; Nonferrous Metal; Solder/Braze Alloy

Material Notes:

Applications: Application is found in all types of moderate temperature low pressure systems, and in particular the electronic vacuum tube.

Characteristics:Premabraze 616 is a low temperature, slightly sluggish brazing filler metal with a tendency to liquate (i.e. separate into low and high melting constituents) if heated slowly through their melting range. This low vapor pressure brazing filler metal was formulated to meet the need for a composition free from volatile constituents, particularly in the brazing of vacuum tubes. This filler metal can be successfully used in hydrogen, inert atmospheres or vacuum without flux. The indium content improves their wetting tendency on ferrous alloys over that obtainable with binary silver-copper.

Some nickel base alloys are susceptible to stress cracking. To prevent this the parts should be stress-relieved prior to brazing. Special attention should also be given to dissimilar metal joints where stresses can occur from differences in thermal expansion.

Specifications:Premabraze 616 conforms to AWS A5-8, BVAg-29, Grade 2.

Information provided by Lucas-Milhaupt, Inc.

Available Properties
  • Specific Gravity
  • Electrical Resistivity
  • Solidus
  • Liquidus
  • Processing Temperature
  • Color
  
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