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RBCuZn-B (Nickel Bronze)


Alloy Type:

RBCuZn-B  Nickel Bronze (RBCuZn-B) brazing filler metal is similar to naval bronze but contains manganese and iron which increase the hardness and strength of the weld deposit.  It also contains nickel ensuring uniform distribution of the iron in the deposit.  A neutral or slightly oxidizing flame and a boric acid/boric type flux should be used.

 

 

AWS Class: RBCuZn-B Certification:                  AWS A5.8/A5.8M:2011
Alloy:  RBCuZn-B ASME SFA A5.8

 

Brazing Position:              H, V Brazing Range:

1620-1800⁰F

 

Tensile Strength, kpsi: 60-78
Elongation %, min: 25

 

Melting Point  1620⁰F Solidification 1590⁰F Brinell Hardness 80-110

 

 

 

Typical Wire Chemistry as per AWS A5.8 (single values are maximum)

Cu Zn Sn Fe Mn Ni Pb Al Si Other
56.0-60.0 Rem 0.80-1.10 0.25-1.20 0.01-0.50 0.20-0.80 0.05 0.01 0.04-0.20 0.50

 

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