Feature●For fabrication or building up new or worn surfaces on cast iron castings.●Production of gray and ductile iron weldments (cast iron to itself or to steel).●Repair of service worn damage on gray or ductile iron.●Repair of minor casting defects in gray iron.Description Aufhauser RCI is a high-quality gray iron oxyacetylene welding rod, designed for gas welding of cast iron, general fabrication or building up new or worn surfaces on castings.