A continuous solid, corrosion-resisting, chromium-nickel wire for joining stainless steels to non-alloy or low-alloy steels as well as for welding austenitic stainless alloys of 24% Cr, 13% Ni types. OK Autrod 309L has good general corrosion resistance. When used for joining dissimilar materials, corrosion resistance is of secondary importance. OK Autrod 309L can be used in combination with OK Flux 10.93.