Form: This specification covers low-carbon steel in the form of bars@ forgings@ mechan cal tubing@ sheet@ strip@ plate and forgng stock. Application: These products have been used typically for parts for which a wide latitude in composition is permissible and requinng no pa-ticular strength or hardness other than that inherent in steel of this type@ but usage is not I mited to such applications. Care is required in welding in the event that carbon and manganese approach the maximum limits.