2
All-State Fluxes and Fluxing Systems
Suggested Active
Type and Product
Filler Metal TemperatureRange
Specifications BRAZALOY
1 General purpose formulation
for brazing cast iron, steel, brass, LFB,
Cast Iron 1400°F to 2000°F
AWS A5.31
bronze, and copper.
Type FB3-F BRAZALOY
5 For welding cast iron, cast steel,
mill and low alloy LFB, Cast Iron
1400°F to 2200°F AWS
A5.31 steel,
particularly suited for joining stainless steel to cast iron.
Type FB3-F BRAZO
Specialty flux manufactured to exacting chemistry for
LFB, Cast Iron 1400°F
to 2200°F AWS A5.31
critical
brazements on steel, cast iron, copper and brass. Type
FB3-F FERRO
For cast iron welding. Even slag prevents inclusions
Cast Iron 1400°F
to 2200°F AWS A5.31
which
may cause blow-holes. Type FB3-F
7 For
soldering cast iron, can also be used for steel & copper based
7 to 700°F
alloys.
Provides pretinned surface to assure excellent
bonding. Not recommended
for aluminum bronze. 21
For brazing heavier sections of brass or bronze when
21, 23, 1400°F
to 2200°F AWS A5.31
extended
protection is needed, this flux withstands longer Silfo
0, 5, 15 Type FB3-G
periods of heat.
Commonly used with phos-coppers
and phos-copper-silver alloys.
