S125344-035 - Hobart Hoballoy 8018-C3 1/8" Stick Electrodes (50lb Can)

Hobart Hoballoy 8018-C3 Stick Electrode: High Strength & Low-Temp Toughness

The Hobart Hoballoy 8018-C3 is a premium low-alloy stick electrode designed for critical welding applications requiring high tensile strength and exceptional impact toughness in sub-zero environments. Classified as an AWS E8018-C3 electrode, it delivers a nominal tensile strength of 80,000 psi, making it suitable for joining high-strength low-alloy (HSLA) steels. The defining characteristic of this electrode is its chemical composition, which includes approximately 1% nickel. This addition is crucial for improving the notch toughness of the weld metal, ensuring reliable performance and resistance to brittle fracture at temperatures as low as -40°F (providing 20 ft.lbs. Charpy V-Notch).

Welders will appreciate the superior operating characteristics of the Hoballoy 8018-C3. It is engineered to provide excellent puddle control, allowing for precise manipulation of the molten pool in various positions. The electrode exhibits smooth wetting action, which helps ensure sound fusion at the toes of the weld and minimizes defects like undercut. Its ability to tie in smoothly makes it an excellent choice for multi-pass welding on thick sections where structural integrity is paramount. Furthermore, the electrode features a specially formulated coating designed to resist moisture pickup. This is a critical safety feature for low-hydrogen electrodes, as it helps prevent hydrogen-induced cracking (cold cracking) in the heat-affected zone, even when the electrodes are exposed to conditions of high heat and humidity.

Versatility is a key benefit of the Hoballoy 8018-C3. It operates stably on both Direct Current Electrode Positive (DCEP) and Alternating Current (AC), providing flexibility for use with various power sources in both shop and field environments. It is widely used in industries such as shipbuilding, petrochemicals, and offshore construction. It is particularly effective for welding T-1 steels, abrasion-resistant (AR) steels, and weathering steels used in bridges and architectural structures. Whether for piping systems, gas storage tanks, or heavy construction machinery, the Hobart Hoballoy 8018-C3 provides the strength, toughness, and reliability required for demanding industrial projects.