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SUPERFONTE Ni is a basic-graphite coated MMA electrode with a pure nickel core wire for dissimilar joining or surfacing of cast iron without preheating or with a minimum of <300 °C, "cast iron cold welding".
Especially suited for repair welding of cracked or broken cast iron components and for joining cast iron with lamellar graphite (GJL), cast iron with globular graphite (GJS), black-heart cast iron (GJMB), white-heart cast iron (GJMW), dissimilar joints with steel, copper or nickel-based alloys. Easy arc striking, stable arc, finely-rippled bead surface, the weld metal is machinable. Weld using a low heat input and weld with short beads, ~10 to 30 mm and in order to reduce weld residual stresses, hammer-peen welds immediately after welding and before cooling.
EN ISO 1071: E C Ni-CI1
AWS A5.15: E Ni-CI
EN-GJL-350 (GG-10 - GG-35), EN-GJMB-350
EN-GJMB-700 (GTS 35-10 - GTS 70-02), EN-GJS-400
EN-GJS-700 (GGG-40 - GGG-70), EN-GJMW-350
EN-GJMW-360 (GTW 35-04 - GTW S 38)