Acme Alloys Private Limited manufactures Carbon Steel made from AC - DC EAF Process. Acme Alloys Private Limited also offers various types of alloys. The Carbon Steel made from AC - DC EAF Process contains carbon as the principal alloying element. The Carbon Steel made from AC - DC EAF Process also contains 0.25% to about 0.80% silicon and 0.50% to about 1.00% manganese. This Carbon Steel can be classified according to their carbon content into three broad groups, low-carbon steels with less than or equal to 0.20% carbon, medium-carbon steels with 0.20% to 0.50% carbon and high carbon steel with more than or equal to 0.50% carbon