... . The carbon electrode is mainly used in steel, iron, brass, hard alloy, stainless steel and other metal to slot, planning welding lines ... , remove redundant metal parts, cutting, making holes, filling the welding line defects and so on.3.2mm x 305mm, 4mm ... .................10mm x 510mm, 13mm x 510mm........................19mm x 510mm............... Flat Gouging Carbon rod 5x18x355