S653212-029 - Hobart Fabco 811A1 Flux-Cored Wire .045" 33lb Spool

High-Performance Flux-Cored Wire for Molybdenum Steels

The Hobart Fabco 811A1 is a specialized flux-cored welding electrode engineered specifically for the fabrication and maintenance of high-strength, heat-resistant steels. Designed with a nominal 0.50% Molybdenum alloy content, this wire is the premier choice for welding C-Mo steels often found in high-temperature service environments. Industrial professionals rely on the Fabco 811A1 for its consistent chemical composition and mechanical integrity, ensuring that critical welds on boilers, pressure vessels, and associated piping systems meet rigorous industry standards.

One of the standout features of this electrode is its all-position capability. Whether welding flat, horizontal, vertical-up, or overhead, the Fabco 811A1 provides a stable arc and a fast-freezing slag system that supports the weld puddle effectively against gravity. This makes it particularly valuable for on-site maintenance and repair operations where positioning the workpiece is not possible. The wire is formulated to operate exclusively with 100% CO2 shielding gas, which not only provides deep penetration but also offers a cost-effective shielding solution for large-scale fabrication projects.

In the realm of power generation and petrochemical processing, the integrity of the weld metal is paramount. The Fabco 811A1 delivers weld deposits that maintain strength and ductility even after stress-relief heat treatments, a common requirement for Molybdenum steel fabrications. The 0.045-inch diameter offers a versatile balance between deposition rate and puddle control, allowing welders to handle both root passes (with ceramic backing) and fill passes with efficiency. The 33lb spool size is standard for industrial wire feeders, minimizing downtime for spool changes during extended welding shifts.

Furthermore, the slag removal characteristics of the Fabco 811A1 are designed to reduce post-weld cleanup time. The slag typically detaches easily, revealing a smooth bead profile with minimal spatter. This efficiency is crucial in production environments where labor costs associated with grinding and cleaning can accumulate. By choosing Hobart's Fabco 811A1, fabricators invest in a consumable that combines metallurgical precision with operator-friendly performance characteristics.