Amtec 8 is a grooving, chamfering, cutting and gouging electrode used without air or oxygen. It is a very fast and efficient metal working tool. It can be used on all metals including manganese steel, cast iron, stainless steel, and even aluminum. It performs well on AC as well as DC arc welding machines, however DC Straight will give the best performance. DC Reverse may be used if so desire. Amtec 8 can be used in all positions, and leaves surfaces clean and scale free, ready for welding.