27751 - UTP ECONOCAST 99 Nickel Alloy Stick Electrode ENi-CI 1/8in 4.54kg

Premium Nickel Alloy Electrode for Cast Iron Repair

The UTP ECONOCAST 99 is a high-performance stick electrode designed specifically for the welding and repair of cast iron components. Classified under AWS A5.15 as ENi-CI, this electrode features a commercially pure nickel core wire that is essential for producing soft, ductile weld deposits. Industrial maintenance teams and fabrication shops rely on this consumable for critical repairs where post-weld machining is required. The 4.54 kg (10 lb) packaging ensures a substantial supply for extensive repair projects or ongoing maintenance inventory.

One of the primary challenges in welding cast iron is the formation of brittle martensite in the heat-affected zone, which often leads to cracking. The UTP ECONOCAST 99 mitigates this issue by operating effectively at low amperage settings. This reduced heat input preserves the base metal's integrity while ensuring excellent fusion. The electrode is formulated to provide a stable, spatter-free arc that is easily controllable, making it suitable for welders of varying skill levels. It performs exceptionally well in all welding positions, allowing for in-situ repairs of heavy machinery without the need for disassembly.

The resulting weld deposit from the UTP ECONOCAST 99 is fully machinable, a critical requirement for repairing mating surfaces, threaded holes, or precision components like engine blocks and pump housings. The slag system is designed for easy detachment, often lifting off with minimal effort, which speeds up multi-pass welding operations. This product is compatible with gray cast iron, malleable cast iron, and nodular cast iron, and can also be used for joining these materials to steel.

Technical Specifications

• Classification: AWS ENi-CI


• Diameter: 3.2mm (1/8")


• Weight: 4.54 kg (10 lb)


• Current Type: AC or DC-


• Application: Cold welding of cast iron