
Lincoln Electric's 7018 AC Stick Electrodes are the go-to solution for welders who need the strength of a low-hydrogen rod combined with the ease of use typically associated with rutile electrodes. Packaged in a convenient 10 lb carton, these 1/8-inch (3.2 mm) rods are designed to overcome the arc instability often encountered when running 7018 on AC welders. If your shop utilizes AC transformer machines or "buzz boxes," this electrode ensures you don't have to sacrifice weld quality or struggle with arc outages.
The E7018 H8 classification guarantees a weld deposit with excellent ductility and impact toughness, making it suitable for critical structural applications, heavy equipment repair, and general steel fabrication. The "AC" designation signifies a specialized flux coating containing arc stabilizers that keep the arc lit through the zero-crossing of the AC cycle. This results in a smooth, quiet arc with very low spatter, allowing for better puddle control and superior bead appearance. It also operates effectively on DC+ polarity, offering flexibility for welders with multi-process capabilities.
Beyond arc stability, the Lincoln 7018 AC is favored for its user-friendly characteristics. It offers excellent restrike performance, which is a common pain point with standard low-hydrogen electrodes. This makes it particularly effective for tacking assemblies or performing short welds where the arc is broken frequently. The slag is self-releasing in many instances or requires only light chipping, improving overall productivity. For reliable, high-strength welds on mild steel without the frustration of hard-to-start rods, the Lincoln 7018 AC is the professional's choice.
| Additional Information |
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| Brand:Lincoln Electric |
| Diameter:3.2mm (1/8") |
| AWS Spec:E7018 |
| Packaging Description:10lb pack |
| Polarity:AC/DCEP |
| Position:All |
| Material:Mild Steel |
| Rod Type:Stick Electrode |
| Length:14 in |
| Coating Type:Low Hydrogen |
| Welding Process:SMAW |
| Amp Range:100-160 A |