Nihonweld N-NiCrMo-3 description: N-NiCrMo-3 is a nickel-chromium-molybdenum flux-coated electrode designed for shielded metal-arc welding of Inconel 625 or 601, for high strength welds on 9% nickel steels and for overlaying carbon steel. N-NiCrMo-3 is also used for joining dissimilar combinations of steels or stainless steels to nickel-iron-chromium alloys such as Incoloy 800 or 801.