S669410-055 - Hobart HA-495 Active Submerged Arc Welding Flux, 50lb Bag

Hobart HA-495: The Solution for Fast, Clean Fillet Welds

When your production line demands speed and your steel isn't perfectly polished, the Hobart HA-495 Sub-Arc Flux is the consumable you need in your hopper. This 50lb bag of agglomerated active flux is formulated to bite through rust and mill scale, delivering sound welds without the need for extensive pre-weld grinding. It is the ideal choice for shops focused on heavy fabrication, such as railcar construction, shipbuilding, and pressure vessel manufacturing, where efficiency is the name of the game.

Built for Speed and Appearance
Fabricators love the HA-495 for its ability to handle high travel speeds while maintaining a flat, aesthetically pleasing bead. The flux composition promotes excellent wetting, ensuring the weld metal spreads evenly and fuses securely at the edges. This results in professional-looking fillet welds that require less rework. Furthermore, the slag created during the welding process is formulated to detach easily, often falling off on its own as the weld cools, which significantly cuts down on cleanup time.

Application Guidelines
This flux is classified as an "active" flux, meaning it contributes manganese and silicon to the weld puddle to help deoxidize the metal and improve strength. Because of this active chemistry, it is best suited for single-pass or double-pass welding applications. Using it for multi-pass welding on very thick sections is generally discouraged to prevent the weld metal from becoming too hard or brittle. It pairs excellently with standard carbon steel wires to produce robust structural joints.

Reliable and Versatile
Hobart has developed this flux to work with both AC and DC currents, giving you the versatility to adapt to different power sources and mitigate arc blow issues. The 50lb bag packaging ensures you have ample material for continuous operations, reducing downtime for refills. If you are welding general plate or heavy equipment and need a flux that is forgiving on surface conditions while delivering high-speed performance, the HA-495 is your answer.