FONWELD AF305

FONWELD AF 305

Flux coated low temperature brazing filler metal with high silver content.

DIN 8513: L – Ag 30 Cd

AWS/ASME/SFA-5.8:BAg – 2a

ISO 3677: B Ag 30 Cu Zn Cd 600 – 900

Applications:

Capillary brazing of steels, malleable cast irons, copper and copper alloys, nickel, hard metals, as well as joints between the various above-named metals. Apparatus construction, precision mechanics, precision tools, fittings manufacture, installation work, joints on copper conductors, series production.

Characteristics:

Silver brazing alloy for low temperature working. Very good fluidity and capillary flow, very good gapbridging characteristics.

Source of Heat:

Oxy-Acetylene torch, gas-air torch, blow-lamp, furnace, high frequency induction.

Flux:

F305 (Already flux coated for ease of use.)

Availability:

1.5mm x 500mm
2.0mm x 500mm

Composition, typical analysis in %:

Ag Zn Cd Si Cu
30.00 21.00 21.00 0.30 Balance

Mechanical and physical properties:
Working Temperature: 680C
Melting Range: 600 – 690C
Tensile strength: 382 – 471 N/mm2
Elongation (1=5 d): 30 %
Electrical Conductivity: 15 Sm/mm2
Specific Gravity: 9.2 g/cm3
Specifications
SKU FONWELD AF305
@75000 PER KG