Surfacing is conducted with horizontal electro-slag welding by using a strip electrode, and by applying a magnetic field, having component perpendicular to a base metal, to a molten metal and slag pool to control the flow of the molten pool....http://www.google.es/patents/US4309587?utm_source=gb-gplus-sharePatente US4309587 - Horizontal electro-slag welding process for surfacing
Horizontal electro-slag welding process for surfacing