S237515-053 - Hobart Fabco 712M .052 Flux-Cored Wire 33lb Spool

Technical Overview of Hobart Fabco 712M

The Hobart Fabco 712M is a high-performance, gas-shielded flux-cored wire designed to meet the rigorous demands of critical structural fabrication. Engineered with a diameter of 0.052 inches and supplied in a 33 lb vacuum-packed spool, this consumable is formulated to deliver exceptional mechanical properties, particularly in environments requiring high impact toughness at low temperatures. It meets AWS classifications E71T-1M, E71T-9M, and E71T-12M J H4, signifying its reliability in producing welds with superior integrity and low diffusible hydrogen levels (typically less than 4ml per 100g of weld metal).

This wire is specifically optimized for use with mixed shielding gas (75% Argon / 25% CO2), which contributes to a smooth, stable arc and reduced spatter compared to straight CO2 wires. The chemical composition and flux formulation allow for excellent weldability in all positions, including vertical-up and overhead, thanks to a fast-freezing slag system. This makes the Fabco 712M particularly suitable for complex geometries found in offshore drilling rigs, jackup rig fabrication, and shipbuilding where out-of-position welding is frequently required.

In terms of mechanical performance, the Fabco 712M excels in both as-welded and post-weld heat treat (PWHT) conditions. It maintains high tensile strength and Charpy V-Notch toughness down to -40°F (-40°C), ensuring resistance to brittle fracture in cold service environments. This makes it a preferred choice for industries such as heavy equipment manufacturing, storage vessel construction, and transmission piping. The vacuum packaging ensures the product arrives in optimal condition, preventing moisture pickup that could compromise the low-hydrogen characteristics essential for preventing hydrogen-induced cracking in high-strength steels.