42024002 - Arcair Sea-Weld 1/8" Underwater Wet Welding Rods (Pack of 150)

Technical Overview of Arcair Sea-Weld Electrodes

The Arcair Sea-Weld 1/8" x 14" electrodes (SKU: 42024002) are engineered specifically for the demanding environment of underwater wet welding. Manufactured to meet the rigorous standards of AWS D3.6 for Class B welds, these electrodes utilize a proprietary waterproof coating that protects the flux integrity against moisture absorption and hydrostatic pressure. This ensures consistent arc ignition and stability, which are critical when operating in conductive aquatic environments.

Technically, the Sea-Weld electrode is designed to operate on Direct Current Electrode Negative (DCEN), also known as straight polarity. This polarity preference helps minimize the electrolysis effect on the electrode holder and maximizes the deposition efficiency in the wet environment. The core wire is a mild steel composition optimized for ductility and strength, making it suitable for structural repairs on ship hulls, pilings, and offshore platforms. The slag system is formulated to solidify rapidly, protecting the molten pool from immediate quenching by the surrounding water, yet it remains friable enough for easy removal post-weld—a vital feature for divers working in low-visibility conditions.

This package contains 150 electrodes, providing a substantial inventory for extensive salvage or repair operations. The 1/8-inch (3.2mm) diameter offers a balance between deposition rate and heat input, reducing the risk of hydrogen-induced cracking in the heat-affected zone (HAZ) of the base metal. Professionals in marine construction and salvage rely on Sea-Weld for its proven track record of producing sound, porosity-free welds in both fresh and salt water.