This specification has been declared "CANCELLED" by the Aerospace Materials Division, SAE, as of December 2008. By this action, this document will remain listed in the Numerical Section of the Aerospace Standards Index noting that has been "CANCELLED".Similar but not necessarily identical products are covered in the following specifications. However, this listing is provided for information only and does not constitute authority to substitute these specifications for the CANCELLED specification. ASTM A29 / A29M Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements forASTM A519 Seamless Carbon and Alloy Steel Mechanical TubingASTM A668 / A668M Steel Forgings, Carbon and Alloy, for General Industrial UseASTM A711 / A711M Steel Forging StockThis specification covers a leaded carbon steel in the form of bars, forgings, mechanical tubing, and forging stock.These products have been used typically for parts on which the amount or complexity of machining warrants use of a free-cutting steel to yield good surface finish, but usage is not limited to such applications.