Procédé de soudage de la fonte, installation pour la mise en oeuvre de ce procédé, et pièce soudée obtenue par ce procédé

摘要

An electrode or filler rod for welding cast iron to cast iron or steel has any of the following approximate compositions:- .(1).Nickel.-.-.-.-.95-99% ..Chromium..-.-.-.0.2-1% ..Manganese..-.-.-.0.35-1.5% ..Carbon.-.-.-.-.0.4-0.9% .(2).Nickel.-.-.-.-.48-60% ..Iron.-.-.-.-.40-52% ..Manganese..-.-.-.0.35-1.5% ..Carbon.-.-.-.-.0.4-0.9% ..or..... .(3).Nickel.-.-.-.-.58-65% ..Copper.-.-.-.-.35-42% ..Manganese..-.-.-.0.35-1.5% ..Chromium..-.-.-.0.4-0.9% and may be bare or flux coated. A suitable coating flux is formed by mixing:- A further flux composition is in parts by weight: together with an alkali-metal silicate solution, a wetting agent and an anti-foaming agent.