Category » Copper

Low Fuming Bronze

Low Fuming Bronze is available in bare and flux coated rods. It is a machinable brazing alloy used on steels, copper alloys, nickel alloys, and stainless steel. Low Fuming Bronze has a high tensile strength and good ductility. The weld deposits are non-porous for leak proof joints for water, oil and gas lines. The weld deposit freezes rapidly from fluid to a plastic state. Brazing flux is recommended.

Typical Deposit Analysis
Cu Ni Other Pb Fe Mn
56 - 60 0.20-0.80 0.50 max 0.05 max 0.25-1.20 0.01-0.50
Si Al Zn Sn    
0.04-0.15 0.01 max Rem 0.80-1.10    
  • Specifications: AWS A5.8 / ASME SFA5.8
  • Classification: RBCuZn-C
Typical Deposit Characteristics
Tensile Strength 63000 psi
Elongation % in 2” 25.0%

Nickel Silver

Nickel Silver is a low fuming, cadmium free bronze that is available in bare or flux coated rod. It is an excellent replacement for high cost silver brazing alloys when higher brazing temperatures are acceptable. Weld deposits have very high tensile strength, good ductility and excellent corrosion resistance. The weld deposits are also machinable and work-harden when put into service. Brazing flux is recommended.

Typical Deposit Analysis
Cu Ni Other Pb Si Al
46.00-50.00 9.0-11.00 0.50 max 0.05 max 0.04-0.25 0.01 max
Zn P        
Rem 0.25 max        
  • Specifications: AWS A5.8 / ASME SFA5.8
  • Classification: RBCuZn-D
Typical Deposit Characteristics
Tensile Strength 70000 psi
Elongation % in 2” 25.0%