The MS Bar is a type of low carbon steel. Carbon steels are metals that contain a small percentage of carbon (max 2.1%) which enhances the properties of pure iron. The carbon content varies depending on the requirements for the steel. Low carbon steels contain carbon in the range of 0.05 to 0.25 percent. A Steel bar is an item used for creating steel weaponry and armour. It can be smelted using the Smithing skill at level 30 Smithing by using 1 iron ore and 2 coals on a furnace. The MS Bar is very made to use in various industries.