This standard specifies the scope, terms and definitions, ordering information, dimensions, shape, weight and tolerances, technical requirements, test methods, inspection rules, packing, marking and quality certificate of free-cutting structural steels.
This standard is applicable to such steels as bar steels, wire rods, steel wires, steel plates and steel strips used for mechanical machining and their chemical compositions are also applicable to ingots and billets as well as their products.
