Metal-Cored Wire Electrode
A tubular welding filler with metallic filling that offers high deposition efficiency and low cleaning effort.
Physical-Chemical Mechanism of Action
The metal-cored electrode consists of a tubular sheath filled with metallic powders. During welding, these powders are heated by electricity and melted to a liquid state. They are then deposited on the workpiece, creating a dense weld.
Metallurgical Relevance & Risks in Welding
Using metal-cored electrodes gives high deposition rates and minimizes post-weld cleaning. However, wrong filler selection or improper use can lead to uneven welds, porosity, or excessive fumes.
Workshop Practice & Instructions
Choose the right metal-cored electrode for the material and process. Make sure the electrode is loaded correctly and the electrical connection is stable. Keep a constant stick-out and ensure even heating of the filling.