The Castolin CAS64G4000 are high-quality 4mm welding electrodes designed for robust and reliable welding applications. These electrodes are specifically formulated for joining and repairing difficult-to-weld steels, including high-carbon, tool, spring, and manganese steels, as well as for dissimilar metal combinations. They provide excellent crack resistance and high-strength deposits, making them suitable for demanding industrial and agricultural machinery repairs. The CAS64G4000 electrodes ensure smooth arc stability and good slag detachability, facilitating efficient and clean welding operations.