
When you are welding on heavy structural steel, railcars, or offshore platforms, you need a wire that runs smooth and holds up to the elements. The Hobart Fabco 91K2-C .052" flux-cored wire is built exactly for those tough jobs. This isn't just standard mild steel wire; it is a high-strength, low-alloy consumable designed to produce welds with 90,000 psi tensile strength. If you are working on projects that demand extra strength and durability—especially in cold environments—this is the wire you want in your feeder. It is specifically formulated to run on 100% CO2, which helps keep your gas costs down while providing deep penetration and excellent fusion.
Welders appreciate the Fabco 91K2-C for its user-friendly arc characteristics. Flux-cored welding with CO2 can sometimes be spattery, but Hobart has engineered this wire to maintain a stable, smooth arc with minimal spatter levels. The fast-freezing slag is a huge advantage when you have to weld out of position. Whether you are running vertical-up fillets on a ship hull or overhead welds on a structural beam, the puddle stays where you put it. The slag coverage is complete and uniform, protecting the bead as it cools, and it typically peels off easily with a light chip or brush, saving you time on cleanup between passes.
The .052" diameter is a sweet spot for many heavy industrial applications. It offers a higher deposition rate than .045" wire, helping you fill joints faster, but it is still versatile enough to handle various joint configurations. Because it is an all-position wire, you don't have to switch consumables when moving from flat butt welds to vertical T-joints. This versatility boosts productivity on the shop floor or in the field. Plus, the wire comes in a 33lb spool, which is the standard size for most industrial wire feeders, ensuring compatibility with your existing equipment.
Quality matters, and Hobart delivers with their VPSP (Vacuum Packed Spool) technology. There is nothing worse than loading a fresh spool only to find it has picked up moisture, leading to porosity or worm tracks. This spool comes vacuum-sealed, guaranteeing that the wire is factory-fresh and dry the moment you crack the seal. This is crucial for preventing hydrogen cracking in the high-strength steels this wire is meant to weld. With the Fabco 91K2-C, you get professional-grade reliability, excellent bead appearance, and the mechanical properties required for the most demanding heavy equipment and construction jobs.
| Additional Information |
|---|
| Brand:Hobart |
| Diameter:0.052 in |
| Packaging Description:33lb spool |
| Position:All Position |
| Weld Process:Flux-Cored (FCAW) |
| Spool Size:33 lb Spool |
| Polarity:DCEP |
| AWS Classification:E91T1-K2C, E91T1-K2C-H4 |
| Shielding Gas Requirement:100% CO2 |
| Wire Type:Gas-Shielded Flux-Cored |
| Tensile Strength Class:90,000 psi |
| Impact Toughness:Low Temperature |
| Alloy Type:Low Alloy Steel |





