
When your welding project takes you outdoors or into the heavy industrial yard, you need a wire that doesn't fuss with gas bottles and wind screens. The Hobart Fabshield 4 is your go-to solution for heavy-duty structural welding. This 33lb spool of 5/64" wire is a self-shielded flux-cored workhorse, meaning you can leave the gas regulator in the shop. It creates its own shield as it burns, making it perfect for windy construction sites, barge repair, and field maintenance on heavy equipment where hauling gas tanks is a headache.
Fabshield 4 is built for speed. If you have large joints to fill on thick steel, this wire lays down metal fast. It runs on DC- (straight polarity) and produces a smooth, flat bead that looks professional and holds up under stress. One of the biggest advantages for welders in the field is its forgiveness; the flux action helps clean the metal as you weld, resisting cracking and handling mild rust or mill scale better than solid wires. The slag covering protects the hot metal and pops off relatively easily, saving you time on cleanup between passes.
This wire is strictly for flat and horizontal welding, so it's ideal for positioning large beams, repairing excavator buckets, or fabricating heavy frames on the ground. The 5/64" size is substantial, giving you the power to run hot and heavy for maximum productivity. Whether you are in a shipyard, a quarry, or a structural steel yard, Hobart Fabshield 4 gives you the freedom to weld without being tethered to a gas supply, ensuring you meet your deadlines with strong, reliable welds every time.
| Additional Information |
|---|
| Brand:Hobart |
| Diameter:2.0mm (5/64") |
| Spool Size:33 lb Spool |
| Weld Process:Flux-Cored (FCAW), Gasless |
| Polarity:DCEN |
| AWS Spec:E70T-4 |
| Position:Flat/Horizontal |
| Wire Type:Self-Shielded Flux-Cored |
| Shielding Gas Requirement:None (Self-Shielded) |
| Tensile Strength:Approx. 86,000 PSI |
| Current Type:DCEN |
| Alloy Type:Carbon Steel |
| Packaging Description:33lb spool |





