The electrode heavily coated with slag used in shielded metal arc welding. The slag covers the weld and cools in the form of a brittle mass, which can be chipped off when the weld is completed. See COVERED ELECTRODE.
The electrode heavily coated with slag used in shielded metal arc welding. The slag covers the weld and cools in the form of a brittle mass, which can be chipped off when the weld is completed. See COVERED ELECTRODE.