
For professional welders tackling Chrome-Moly projects, the Hobart Fabco 911B3 .045" wire offers a superior welding experience that simplifies difficult jobs. Welding 2-1/4 Cr 1 Mo steels, often found in high-pressure steam pipes and heavy mining equipment, requires a consumable that you can trust not just for strength, but for runnability. This wire delivers a smooth, stable arc with excellent puddle control, allowing you to lay down consistent beads even when gravity is working against you. Whether you are welding flat, horizontal, or vertical-up, the fast-freezing slag supports the puddle, helping you achieve the proper bead contour with minimal effort.
Versatility is a key advantage of the Fabco 911B3. It runs smoothly on straight CO2, which is great for deep penetration and cost savings, but it also performs exceptionally well with a 75/25 Argon/CO2 mix if you prefer a smoother arc with less spatter. The slag removal is generally easy, reducing the time you spend chipping and grinding between passes or after the weld is complete. This is particularly important in multi-pass applications on thick-walled pipe or heavy plate, where clean inter-pass cleaning is critical to preventing inclusions.
This product comes in a 500 lb Exacto Pak, which is a game-changer for shops with high throughput. Instead of stopping every few hours to swap out a standard 33lb spool, you can keep welding for days or weeks depending on your usage. This bulk drum is ideal for stationary welding stations or boom-mounted feeders. The wire feeds consistently from the drum, reducing the risk of burn-backs caused by feed interruptions. When your work involves critical high-temperature service equipment, you need a wire that performs every time—Hobart Fabco 911B3 delivers that reliability.
Whether you are repairing heavy earth-moving machinery or fabricating pressure vessels, this wire gives you the confidence that your welds will hold up under stress and heat. It is the professional's choice for P21 and P22 pipe applications, combining ease of use with industrial-strength performance.
| Additional Information |
|---|
| Brand:Hobart |
| Diameter:0.045 in |
| Packaging Description:500lb exacto pak |
| Weld Process:Flux-Cored (FCAW) |
| Position:All Position |
| Polarity:DCEP |
| AWS Classification:E91T1-B3C, E91T1-B3M |
| Shielding Gas:100% CO2, 75% Argon / 25% CO2 |
| Material Application:2.25% Chromium / 1% Molybdenum Steels, ASTM A387, P21 Pipe, P22 Pipe |
| Alloy Type:Low Alloy Steel, Chrome-Moly |
| Current Type:DCEP |





