What applications and base metals is the Harris 800 Powder Welding Flux - One Pound Can - 800FX01 suitable for?

SAW flux selection affects the weld deposit's chemistry, mechanical properties, and slag detachment. Active fluxes add manganese and silicon to the deposit (increasing toughness); neutral fluxes maintain wire chemistry in the deposit; alloy fluxes add alloying elements for higher-strength or corrosion-resistant deposits. Always follow the flux manufacturer's current recommendations for preheat, interpass temperature, and welding parameters.

How do I apply the Harris 800 Powder Welding Flux - One Pound Can - 800FX01 correctly?

Apply flux using an appropriate method for the process: brush application for soldering and brazing fluxes (cover all joint surfaces evenly), pre-placed granular flux feeding for SAW welding. Flux quantity matters — too little flux leaves bare areas that oxidize; too much flux can be difficult to remove after welding or brazing. Apply a thin, even coat to all contact surfaces.

How do I remove flux residue after using the Harris 800 Powder Welding Flux - One Pound Can - 800FX01?

All flux residue must be removed after completing the joint. For brazing and soldering, clean flux residue with warm water and a stiff brush immediately after the joint cools — flux becomes harder to remove as it ages. For SAW welding, remove slag and flux residue with a chipping hammer and wire brush between passes and after final welding. Confirm complete flux removal, especially in pressure vessel, pipe, and food-grade applications where residue can cause corrosion or contamination.

How should I store the Harris 800 Powder Welding Flux - One Pound Can - 800FX01?

Store flux in a sealed container in a cool, dry location. Moisture contamination degrades paste and powder fluxes — activated flux or flux that has absorbed moisture should be discarded and not used, as it can cause porosity or incomplete flux activation during the joining operation. Keep containers sealed between uses.

Harris 800 Powder Welding Flux - One Pound Can - 800FX01

Q: What is the Harris 800 Powder Welding Flux - One Pound Can - 800FX01 used for?

The Harris 800 Powder Welding Flux - One Pound Can - 800FX01 is a submerged arc welding (SAW) flux. SAW flux is fed in granular form ahead of the arc, creating a molten slag blanket that protects the weld pool from atmospheric contamination and controls the chemistry of the deposited weld metal. The flux and wire must be matched as a system — always use the flux that is qualified with the specific SAW wire in your procedure specification (WPS).

SKU: 800FX01

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Harris® 800 all-purpose powder welding flux 1 ea. 1lb. can

Overview

Harris Harris 800 Powder Welding Flux - One Pound Can - 800FX01

Harris 800 welding flux is a red powder all-purpose cast iron oxy-fuel welding flux. This highly active flux can be mixed with water to make a paste or used dry by dipping the heated rods into the powder. The flux will adhere to the heated rod to be applied to the base metal during the welding operation. Follow correct cast iron welding procedures that generally include preheat and slow cool.

Features

All-purpose welding flux
Designed for cast iron oxy-fuel welding
Can be used dry by dipping heated rods into the powder
Can be mixed with water to form a paste
Activity range of 1400°F- 2200°F (760°C-1204°C)

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Product Overview

Harris Harris 800 Powder Welding Flux - One Pound Can - 800FX01

Features

All-purpose welding flux
Designed for cast iron oxy-fuel welding
Can be used dry by dipping heated rods into the powder
Can be mixed with water to form a paste
Activity range of 1400°F- 2200°F (760°C-1204°C)

Harris 800 Powder Welding Flux - One Pound Can - 800FX01

Product Overview

Harris Harris 800 Powder Welding Flux - One Pound Can - 800FX01

Features

Product Reviews

Questions & Answers