19N49 - ESAB 5/32 Submerged Arc Contact Tip (Pack of 5)

High-Performance Submerged Arc Contact Tip

The ESAB 19N49 is a specialized contact tip engineered for the rigorous demands of Submerged Arc Welding (SAW). Designed to accommodate 5/32-inch (4.0 mm) welding wire, this component plays a critical role in the electrical transfer efficiency of heavy-duty welding systems. Unlike standard MIG tips, SAW contact tips must endure prolonged exposure to high amperage currents and intense thermal cycles without degrading. The 19N49 is manufactured from a premium copper alloy formulation that balances electrical conductivity with mechanical hardness, ensuring that the bore maintains its dimensional integrity over extended welding runs.

Precision machining is at the core of the ESAB 19N49's performance. The internal bore is strictly toleranced to provide optimal electrical contact with the wire while minimizing friction that could lead to feeding issues. In Submerged Arc Welding, where deposition rates are significantly higher than other processes, consistent current transfer is paramount for maintaining bead profile and penetration depth. A worn or ovalized tip can cause arc instability, wandering, and inconsistent heat input, potentially leading to weld defects. By utilizing genuine ESAB contact tips, operators ensure that the electrical stick-out remains constant and the arc characteristics remain predictable.

This contact tip is designed for compatibility with ESAB's renowned line of automatic welding heads, including the A2 and A6 series tractors and beams. These systems are workhorses in industries such as shipbuilding, pressure vessel fabrication, and pipe manufacturing. The 19N49 installs securely into the torch assembly, providing a low-resistance electrical path from the power source to the consumable wire. The robust wall thickness of the tip aids in rapid heat dissipation, preventing overheating which can cause the wire to fuse to the tip (burn-back) during stops or pauses in the welding cycle.

Supplied in a convenient pack of 5, these tips are essential consumables for any maintenance, repair, and operations (MRO) inventory supporting heavy fabrication. Regular inspection and replacement of contact tips are recommended to maintain the high-quality standards required in code-level welding. The ESAB 19N49 offers the reliability and durability professionals expect from a global leader in welding technology.