Bare, corrosion-resistant, duplex welding rods for welding austenitic-ferritic stainless alloys of the 22% Cr, 5% Ni, and 3% Mo types. OK Tigrod 2209 has high general corrosion resistance. The alloy has high resistance to intergranular corrosion, pitting, and stress corrosion in media containing chloride and hydrogen sulphide. The alloy is used in various applications across all industrial segments.