OK Autrod 12.22 is a copper-coated, unalloyed wire for Submerged Arc Welding. Suitable in combination with most fluxes. Increased Si content and thus especially for neutral fluxes (e.g. OK Flux 10.62) or to increase the fluidity of the molten pool. Structural steels, ship buildings steels, pressure vessel steels, fine-grained steels, etc.