ASTM A563/A563M-21a Standard Specification for Carbon and Alloy Steel Nuts （Inch and Metric）.pdf

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards.Guides and Remendations issued by the World Trade Organization Technical Barriers to Trade (TBT)Committee. Designation:A563/A563M-21a INTERNATIONAL Standard Specification for Carbon and Alloy Steel Nuts (Inch and Metric)1 This standard is issued under the fixed designation A563/A563M;the number immediately following the designation indicates the year of original adoption or in the case of revision the year of last revision.A number in parentheses indicates the year of last reapproval. A superscript epsilon (s)indicates an editorial change since the last revision or reapproval. This standand has been approved for use by agencies of the U.S.Department of Defense. NOTE-Corrections were made to Table 1 and throughout the standard.The year date was changed on July 26 2021 1.Scope* 2.Referenced Documents 1.1 This specification2 covers chemical and mechanical 2.1 ASTM Standards:3 requirements for eleven grades of carbon and alloy steel nuts A194/A194M Specification for Carbon Steel Alloy Steel for general structural and mechanical uses on bolts studs and and Stainless Steel Nuts for Bolts for High Pressure or other externally threaded parts. High Temperature Service or Both A307 Specification for Carbon Steel Bolts Studs and NoTE 1-See Appendix XI for guidance on suitable application of nut grades. Threaded Rod 60 000 PSI Tensile Strength A354 Specification for Quenched and Tempered Alloy Steel 1.2 The requirements for any grade of nut may at the Bolts Studs and Other Externally Threaded Fasteners supplier's option and with notice to the purchaser be fulfilled A394 Specification for Steel Transmission Tower Bolts by furnishing nuts of one of the stronger grades specified Zinc-Coated and Bare herein unless such substitution is barred in the inquiry and A449 Specific...