Silver Brazing Alloys

PRODUCT CODE MELTING RANGE % NOMINAL CONTENT INDICATED APPLICATION
°C Ag Cu Zn Cd Sn Ni
CADMIUM BEARING ALLOYS
SB 30 600-690 30 28 21 21 – – Steel and copper alloys. Reasonable ductility. Filling capability.
SB 34 LT 610-670 34 22 24 20 – – Steel and copper alloys. Fluid properties.
SB 34 A17 620-690 34 26 22 18 – – Larger plastic range than SB 34 LT.
SB 35 607-702 35 26 21 18 – – Steel and copper alloys. Filling capability.
SB 38 605-650 38 20 22 20 – – Superior ductility, melting range and strength. Fluid properties.
Suitable for steel, stainless steel and copper alloys.
SB 42 610-620 42 17 16 25 – – ‘as above’
SB 45 607-620 45 15 16 24 – – ‘as above’
SB 50 620-640 50 15.5 16.5 18 – – ‘as above’
SNI 50 645-685 50 15 16 16 – 3 Specialised alloy for stainless and carbide steels.
CADMIUM FREE ALLOYS
SB 34 CF 630-730 34 36 27 – 3 – Steel and copper alloys. Improved ductility.
SB 39 CF 650-705 39 30 28 – 3 – Steel and copper alloys. Fluid properties.
SB 402 CF 660-780 40 30 28 – – 2 Stainless steel and other nickel alloys. Carbide steel.
SB 44 TCF 675-735 44 30 26 – – – Copper and steel alloys. High strength
SB 45 CF 640-680 45 27 25 – 3 – Copper and steel alloys. Fluid properties.
SB 49 CF L.M. 670-690 49 27.5 20.5 – Mn 2.5 0.5 –
SB 49 CF H.M. 670-690 49 16 23 – Mn 7.5 4.5 –
SB 56 CF 618-650 56 22 17 – 5 – Copper and steel alloys. Stainless steel.
SB 60 CF 695-730 60 26 14 – – – Copper, steel and nickel alloys. Ductile high strength
PHOSPHORUS ALLOYS
S PHOS 2 645-704 2 91 – – – Plumbing.
S PHOS 5 646-740 5 88.5 – – – Air conditioning & refrigeration.
S PHOS 15 645-700 15 79.5 – – – Refrigeration – High stress
All alloys are self fluxing for copper joints only. Use for brass and bronze with SBA brazing flux.