The grade 2205 is only the wrought material, ie: sheet plate and bar. 2209 is the welding name for welding 2205 material. 2209 Duplex TIG deposits a 23% Cr / 9% Ni / 3% Mo / N austenitic/ferritic duplex stainless steel weld metal with a ferrite content of about FN 35. It is intended for welding similar composition Duplex stainless steels which offer an excellent combination of much higher strength and very good resistance to pitting and stress corrosion cracking, compared to standard austenitic stainless steels.
Classifications: AWS A5.9 / ER2209 / EN ISO 14343 / W 22 9 3 N L