S285012-050 - Hobart Fabco 911B3 .045 Flux-Cored Wire - 500lb Drum

Technical Overview of Hobart Fabco 911B3

The Hobart Fabco 911B3 is a premium gas-shielded flux-cored wire designed specifically for the welding of low alloy steels containing 2.25% Chromium and 1% Molybdenum. This wire is engineered to meet the rigorous demands of industries requiring materials with high creep resistance and strength at elevated temperatures, such as power generation, petrochemical processing, and heavy equipment manufacturing. The .045-inch diameter offers a balance of deposition rate and puddle control, making it suitable for a wide range of material thicknesses found in pressure vessels, piping systems, and structural components.

One of the defining technical characteristics of the Fabco 911B3 is its versatility in shielding gas and welding position. It is formulated to operate effectively with either 100% CO2 or a mixture of 75% Argon and 25% CO2. This dual-gas capability allows fabrication shops to optimize for either cost (CO2) or arc characteristics (Argon mix) without changing consumables. The wire's slag system is fast-freezing, which facilitates all-position welding, including vertical-up and overhead, essential for complex pipe assemblies where rotating the workpiece is not feasible.

This specific SKU is supplied in a 500 lb Exacto Pak, a bulk packaging solution designed for high-volume automation or continuous manual welding operations. The Exacto Pak minimizes the frequency of spool changes, thereby significantly increasing arc-on time and overall productivity. The wire is precision-wound to ensure tangle-free feeding, which is critical for maintaining consistent arc stability and weld quality over long runs. Metallurgically, the deposit matches the composition of ASTM A387 Gr. 22 and P21/P22 pipes, ensuring that the weld metal shares the thermal expansion and mechanical properties of the base material.

In summary, the Hobart Fabco 911B3 combines specific alloy chemistry with excellent operator appeal and industrial-grade packaging. It provides a reliable solution for critical welds in high-temperature service environments, ensuring code compliance and structural integrity in challenging applications.