Hobart FabCOR Edge XP .045 Metal-Core Wire 50lb Spool

Technical Overview: Hobart FabCOR Edge XP E70C-6M

The Hobart FabCOR Edge XP is a gas-shielded metal-cored wire conforming to AWS A5.18 E70C-6M H4 classifications. This .045-inch diameter wire is specifically formulated for single and multi-pass welding of carbon and fine-grain steels in the flat and horizontal positions. It is an ideal choice for fabrication sectors requiring high deposition rates and deep penetration profiles, such as heavy equipment manufacturing, structural steel erection, and general industrial fabrication.

Technically, the FabCOR Edge XP distinguishes itself through its advanced flux composition encased in a steel sheath. This construction provides the high current density benefits of a tubular wire with the high efficiency of a solid wire. The result is a deposition rate that can significantly exceed that of solid ER70S-6 wires at comparable amperages. The wire operates with a spray transfer mode when used with high-argon shielding gas mixtures (typically 75-95% Argon, balance CO2), ensuring a stable, low-spatter arc. The "XP" formulation enhances the wetting action of the puddle, ensuring excellent sidewall fusion and mitigating cold lap defects, which is critical in heavy-plate structural applications.

One of the standout metallurgical features is the wire's silicon control. The chemical deoxidizers function to scavenge impurities and float them to the surface as distinct silicon islands, rather than a tenacious slag covering typical of flux-cored wires. This leaves a clean metallic surface that is often ready for painting or coating with minimal preparation. The H4 hydrogen designation indicates a diffusible hydrogen content of less than 4ml per 100g of weld metal, providing high resistance to hydrogen-induced cracking (HIC), making it suitable for critical structural applications where weld ductility and toughness are paramount.

Operational Specifications

• Current Type: Direct Current Electrode Positive (DCEP)
• Shielding Gas: 75-95% Argon / Balance CO2
• Positions: Flat (1G/1F) and Horizontal (2F)
• Typical Applications: Non-alloyed and fine grain steels, automated robotics, heavy fabrication.