BrazeLet® Ni623

Nickel-based brazing alloy

Höganäs’ unique and patented nickel-based brazing alloy BrazeLet Ni623 is a high temperature brazing alloy suitable to use where both base material and the brazed joints require superior corrosion resistance. The alloy is developed and particularly suitable for brazing high-alloyed austenitic and super-austenitic stainless steels which require special heat treatments and rapid cooling from temperatures around 1100 °C to avoid precipitation of deleterious intermetallic phases.

     
 

Nominal composition: Ni – 29Cr – 11Fe – 7.5Mo – 7Si
Powder type: Gas atomised
Melting range: 1160 – 1200 °C
Minimum brazing temperature: 1240 °C
Recommended gap clearance: 25 – 150 µm
Particle size distribution: -106 (F) µm
Applicable specifications: ISO 3677 B-Ni45CrFeMoSi-1160/1200

  
     

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