... Industrial cutting, metal welding and casting DC Copper coated jointed gouging rodsOur Jointed gouging rods are designed especialy for the air carbon arc metal removal process, wich melts ... 430(510)3/4×17'(20')1200-1400Instructions:1. Thel electrodes must keep in dry environment, if it is affected ... use.2. When using for the direct current, the electrodes link to the anode, and task to the cathode.3 ...