OK Tigrod 308L Bare corrosion-resistant chromium-nickel rods OK Tigrod 308L is a bare, corrosion-resistant chromium-nickel rod that is used to weld stainless steels of the 18% Cr - 8% Ni type with low carbon content. The alloy has a good general corrosion resistance and is widely used in the chemical and food processing industries, as well as for pipes, tubes, and boilers. The low carbon content of OK Tigrod 308L makes it particularly recommended for welding in applications where there is a risk of intergranular corrosion. Intergranular corrosion is a type of corrosion that occurs at the grain boundaries of a metal. It is caused by the precipitation of chromium carbides at the grain boundaries, which leaves the metal susceptible to corrosion. OK Tigrod 308L can also be used to weld chromium steels, except in sulfur-rich environments. Sulfur can react with chromium to form chromium sulfide, which can lead to intergranular corrosion. Here are some of the benefits of using OK Tigrod