An all position, Copper cored, AC/DC coated electrode, depositing high nickel weld metal designed to produce soft machinable deposits on all grades of cast iron, particularly surfaces contaminated with oil, grease, dirt, oxides, etc. Perfect Pass Kool Kast 2089 has a special copper/nickel bi-metal core wire that revolutionizes cast iron electrodes. This German technology was designed to keep the heat drawn on the work area. Unique only to this stick electrode, this completely eliminates overheating and offers the ultimate combination of machinability with outstanding ductility. Used for joining cast irons to steels, repairing dirty, rusty and oil-soaked castings, high stress joints, castings of unknown analysis, repairs requiring the greatest ease of machining and circumferential welds.