Oerlikon Supranel Ni1 description: SUPRANEL Ni1 is a basic-coated MMA electrode for welding pure nickel components and for joining these materials to unalloyed or low-alloyed steels, dissimilar joints. Typical specications for this nickel base metal are ASTM B160, B161, B162, and B163, all of which have UNS Numbers N02200 or N02201. Suitable for buffer layers on corrosion-resistant, unalloyed or low alloy steels, before joining to nickel or copper alloys.