BrazeLet® BNi2

Nickel-based brazing alloy

The nickel-based brazing alloy BrazeLet BNi2 provides high strength when brazing stainless steel material in vacuum or protective atmospheres (hydrogen or argon). It provides excellent high temperature strength and oxidation resistance. Joint properties can be further improved by employing a diffusion hold after brazing. It is a versatile brazing filler metal used in aerospace, automotive and industrial applications such as heat exchangers and turbines.

     
 

Nominal composition: Ni – 7Cr – 4.5Si – 3Fe – 3B
Powder type: Gas atomised
Melting range: 970 – 1000 °C
Minimum brazing temperature: 1050 °C
Recommended gap clearance: 30 – 100 µm
Particle size distribution: -106 (F) µm, -63 µm, -45 µm
Applicable specifications: AMS4777, ISO 17672 Ni620, AWS A5.8M/A5.8 BNi-2, ISO 3677 B-Ni82CrSiBFe-970/1000

  
     

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