Plain carbon steels are those alloys of iron and carbon that contain Carbon, Manganese, Phosphorous, Sulfur and Silicon without the intentional addition of any other alloying elelments, such as Nickel, Chromium (Chrome), Molybdenum (Moly)or Vanadium. | Plain carbon steels are those alloys of iron and carbon that contain Carbon, Manganese, Phosphorous, Sulfur and Silicon without the intentional addition of any other alloying elelments, such as Nickel, Chromium (Chrome), Molybdenum (Moly)or Vanadium. |