Lastek B3040 V

Flux coated cadmium free silver brazing, good flowing

Flux coated, cadmium free silver alloy, high silver content, good flowing properties and capillary.

For tougher joints and high strength.

Seawater resistant.

Joining unalloyed and low alloy steel, stainless steel, copper alloys, nickel alloys, cast iron.

Operating temperature, up to about 200 °C. // Melting range: 650-710 °C.

Lastek B3040V is cadmium free and applies to the European RoHS guideline and the European cadmium guideline.

Specifications & Usage


Machine parts for food and beverage industry.

Dairy and pharmaceutical industries.

Breweries and dairies.

Bronze and brass fittings.

Plumbing, piping, refrigeration, air treatment, instruments.



Joint preparation: optimum clearances 0.05 to 0.15 mm.

Preheat the work piece slightly with neutral flame. Rub the coated rod along the joint to apply the flux. As soon as the flux is flowing, melt the rod. Continue heating until the alloy flows into the entire joint by capillarity.

Cool down and remove flux residues by brushing with hot water.


Welding proces: Brazing rod
Material Type: Silver solder
Welding positions: PA, PB
Norm : EN ISO 17672
Classification: AG 140
Norm: EN 1044
Classification: AG 105
Minimum packing: 1 kg in a cardboard box