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Solid wire of G 22 9 3 N L / ER 2209 type designed for welding 22Cr duplex grades such as 1.4462 / UNS S32205 and S31803 used in offshore, shipyards, chemical tankers, chemical/petrochemical, pulp + paper, etc. Provides a ferritic-austenitic weld metal. The welding can be performed using short, spray or pulsed arc. Welding using pulsed arc provides good results in both horizontal and vertical-up positions. Over-alloyed in nickel. The resulting microstructure is austenite with 45 – 55% ferrite. The weld metal has very good resistance to pitting and stress corrosion cracking in chloride containing environments.
Manufactured by Bohler Welding
