Copper-zinc alloy brazing filler metal with good fluidity and low sensitivity to overheating. Suitable for capillary brazing, braze welding and surfacing of steel, malleable cast iron, copper, copper alloys with a solidus temperature above 950°C. Does not destroy the zinc coating in galvanized steels. Widely used in air conditioning systems, body and tube connections of automobile, decoration, metal furniture, electrical appliances, hospital furniture and equipments, hydrolic and pnomatic machine parts and textile machinery productions.