IANICREFE3001560E0 - Nickel 182 Stick Electrodes 5/32" - 10lb Can

Technical Overview: ENiCrFe-3 (Nickel 182) SMAW Electrodes

The ENiCrFe-3 coated electrode, commonly referred to as Nickel 182, is a versatile nickel-chromium-iron flux-coated rod designed for Shielded Metal Arc Welding (SMAW). This 5/32" (4.0mm) diameter electrode is formulated to meet AWS A5.11 specifications, delivering a weld deposit that offers exceptional resistance to high-temperature oxidation and carburization. The chemical composition is balanced with a significant manganese addition, which plays a crucial role in suppressing hot cracking and fissuring—a common challenge when welding fully austenitic nickel alloys.

One of the primary applications for ENiCrFe-3 is the joining of nickel-chromium-iron alloys such as UNS N06600 (Inconel 600) and UNS N06601 (Inconel 601). However, its utility extends far beyond single-alloy joining. It is widely regarded as the go-to filler metal for dissimilar welding applications. This includes joining carbon steels to stainless steels, nickel alloys to carbon steels, and stainless steels to nickel alloys. The weld metal accommodates the dilution from these various base metals while maintaining ductility and strength, preventing the formation of brittle phases that can lead to joint failure.

Operability is a key feature of this electrode. Designed for use with Direct Current Electrode Positive (DCEP), it produces a stable arc with moderate penetration. The slag system is designed to cover the weld bead effectively, protecting the molten pool from atmospheric contamination, yet it detaches easily upon cooling to facilitate multi-pass welding. The mechanical properties of the undiluted weld metal typically exhibit a tensile strength exceeding 80,000 psi (550 MPa) and elongation greater than 30%, ensuring the joint can withstand significant stress and thermal cycling.

In addition to joining, ENiCrFe-3 is frequently used for cladding side of joints in steels clad with nickel-chromium-iron alloy and for resurfacing steel with nickel-chromium-iron weld metal. It performs well in cryogenic environments as well as elevated temperatures, making it suitable for diverse sectors including chemical processing, nuclear engineering, and thermal processing equipment. Proper storage and handling are recommended to maintain the low-hydrogen character of the coating; re-baking may be necessary if the electrodes are exposed to ambient humidity for extended periods.