
For high-volume welding shops and industrial fabricators, time is money, and the Esab Coreweld 77-HS Metal-Core Wire is built to save you both. This .045-inch wire is a powerhouse for anyone looking to push their travel speeds to the limit without sacrificing bead quality. Whether you are running a fleet of welding robots or have a team of skilled operators on long seams, Coreweld 77-HS allows you to lay down metal faster and cleaner than standard solid wires.
The most frustrating part of high-speed welding is often the cleanup. Silica islands—those glassy deposits that form on top of the weld—can slow down production, requiring chipping, grinding, or wire wheeling before painting. Coreweld 77-HS is chemically designed to minimize these islands, leaving a smooth, clean bead that is practically ready for the paint booth right after cooling. This "low silica" feature is a game-changer for automotive and railcar applications where surface finish is paramount.
Packaged in a massive 544.40 kg (1200 lb) drum, this product is all about uptime. Small spools require frequent changeovers, stopping production and breaking the arc. With this bulk OMP drum, your machines can run continuously for days or weeks, drastically improving your arc-on time. The drum is designed to feed wire smoothly without tangling, ensuring your contact tips last longer and your arc stays stable.
To get the best results, pair this wire with a 90% Argon / 10% CO2 gas mix. This blend gives you a buttery-smooth spray transfer that wets out perfectly at the toes of the weld. It bridges gaps well and handles the heat of high-amperage welding with ease. If you are tired of slow travel speeds and excessive post-weld cleanup, switch to Esab Coreweld 77-HS and experience the efficiency of modern metal-core technology.
| Additional Information |
|---|
| Brand:ESAB |
| Diameter:0.045 in |
| Weld Process:Metal-Cored (MCAW) |
| AWS Spec:E70C-6M |
| Packaging Description:544.40 |
| Polarity:DCEP |
| Wire Type:Metal-Cored |
| Shielding Gas Requirement:90% Argon / 10% CO2, 75-95% Argon / Balance CO2 |
| Spool Size:544.40 kg Drum, 1200 lb Drum |
| AWS Classification:E70C-6M |
| Applications:Robotic Welding, Automotive, Railcars |
| Wire Finish:Copper-coated |
| Position:All Position |





