S245115-053 - Hobart Fabco XL-550 .052" Flux-Cored Wire 33lb Spool

Technical Overview of Hobart Fabco XL-550

The Hobart Fabco XL-550 is a premium gas-shielded flux-cored wire designed to meet the rigorous demands of heavy industrial fabrication. Identified by the internal SKU S245115-053, this .052-inch diameter wire is supplied in a 33-pound vacuum-packed spool (VPSP) to maintain optimal low-hydrogen characteristics during storage and transport. The wire is formulated to deliver excellent mechanical properties, specifically high impact toughness at lower temperatures, making it suitable for critical structural applications where ductility and crack resistance are paramount.

Technically, the Fabco XL-550 typically conforms to AWS A5.20 classifications such as E71T-1C, E71T-1M, E71T-9C, and E71T-9M. It is engineered for both single and multiple pass applications in all welding positions. The flux composition allows for a stable arc and a fast-freezing slag, which supports out-of-position welding without sacrificing bead contour. One of the defining technical features of the XL-550 series is its low diffusible hydrogen levels (typically H8 or better), which significantly reduces the risk of hydrogen-induced cracking (cold cracking) in high-strength steels.

This wire operates effectively with 100% CO2 shielding gas, providing deep penetration and economic operation, but is also compatible with Argon/CO2 mixtures for a smoother arc and reduced spatter. The .052" diameter offers a balance between deposition rate and puddle control, allowing for higher amperage settings than .045" wires while remaining manageable for vertical-up welds. It is an ideal choice for industries requiring stringent code compliance, such as shipbuilding, offshore platform construction, and heavy earth-moving equipment manufacturing.