Nihonweld NSS-318 description: NSS-318 is a lime-titania type stainless steel electrode which produces perfect austenitic structures. It has excellent usability and weldability. As the weld metal contains Mo, the deposited metal has excellent corrosion resistibility oxidizing acid and non-oxidizing acid such as sulfuric acid, etc. As the deposited metal also contains Nb, it is excellent resistance to intergranular corrosion and has no precipitation of chromium carbide in the weld metal.