This specification has been declared CANCELLED by the Aerospace Materials Division, SAE, as of November, 2007. By this action, this document will remain listed in the Numerical Section of the Index of Aerospace Material Specifications indicating that it has been CANCELLED. Similar but not necessarily identical products are covered in the following specification. However, this listing is provided for information only and does not constitute authority to substitute these specifications for the CANCELLED specification. ASTM A684/A684M Standard Specification for Steel, Strip, High-Carbon, Cold-RolledThis specification covers medium and high carbon sheet and strip steel for general fabrication purposes.These materials are typically used for parts where the modulus/stiffness of steel is required and high strength is not needed, but usage is not limited to such applications.