ASTM_F_1789_-_15a.pdf

Designation:F178915aStandard Terminology forF16 Mechanical Fasteners1This standard is issued under the fixed designation F1789;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This terminology standard provides a compilation ofdefinitions for terminology used for mechanical fasteners.1.2 Terms in this terminology are organized alphabetically.In Appendix X1 they are listed under fastener characteristic.1.3 Additional definitions are shown in ANSI/ASMEB18.12;IFI Glossary of Terms,IFI-139 and IFI-140;and SAEJ412.2.Referenced Documents2.1 ASTM Standards:2A563 Specification for Carbon and Alloy Steel NutsE456 Terminology Relating to Quality and StatisticsF432 Specification for Roof and Rock Bolts andAccessoriesF2328 Test Method for Determining Decarburization andCarburization in Hardened and Tempered Threaded SteelBolts,Screws,Studs,and NutsF2482 SpecificationforLoad-IndicatingExternallyThreaded Fasteners2.2 ANSI/ASME Standard:3B18.12 Glossary of Terms for Mechanical Fasteners2.3 IFI Standards:4Glossary of Terms Relating to Aerospace FastenersIFI-139 Quality Assurance Requirements for Fastener Test-ing LaboratoriesIFI-140 Carbon and Alloy Steel Wire,Rods,and Bars forMechanical Fasteners2.4 SAE Standard:5SAE J412 General Characteristics and Heat Treatments ofSteels2.5 ISO/IEC Standards:6ISO/IEC 17011 Conformity assessment-General require-ments for accreditation bodies accrediting conformityassessment bodiesISO/IEC 17025 General requirements for the competence oftesting and calibration laboratories3.TerminologyMechanical Fastener Definitionsacceptance numbernumerical value representing the maxi-mum number of permissible non-conformances within asample submitted for testing and acceptance of the popula-tion.accredited laboratoryan organization found to be operatingin conformance with the requirements of ISO/IEC 17025 byan accrediting body that has been found to be compliant toISO/IEC 17011,and is recognized as a signatory to theInternational Laboratory Accreditation Cooperation(ILAC)Mutual Recognition Arrangement(MRA).age hardenedprecipitation of constituents within certainalloy metals to increase mechanical properties.alloy groupmaterials grouped by their chemical designationand considered to be functionally or chemically similar forgeneral purpose use.alloy steelsteel is considered to be alloy when the maximumrange given for manganese exceeds 1.65%or a definiteminimum quantity for any of the following elements isspecified or required within the limits of the recognized fieldof constructional alloy steels:chromium,molybdenum,nickel,or any other alloying element added to obtain adesired alloying effect.alterto change fastener properties such as hardness,tensilestrength,surface finish,length,or other characteristics of thefastener through such processes as heat treatment,plating,and machining.alteration1This terminology is under the jurisdiction of ASTM Committee F16 onFasteners and is the direct responsibility of Subcommittee F16.91 on Editorial.Current edition approved March 1,2015.Published May 2015.Originallyapproved in 1997.Last previous edition approved in 2015 as F1789 15.DOI:10.1520/F1789-15A.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.4Available from Industrial Fasteners Institute,6363 Oak Tree Blvd.Independence,OH 44131.http:/www.indfast.org5Available from Society of Automotive Engineers(SAE),400 CommonwealthDr.,Warrendale,PA 15096-0001,http:/www.sae.org.6Available from International Organization for Standardization(ISO),1,ch.dela Voie-Creuse,Case postale 56,CH-1211,Geneva 20,Switzerland,http:/www.iso.ch.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 insignificant alterationany change to the fastener from itspurchased condition that results in no diminished or modi-fied mechanical,metallurgical,or functional properties.significant alterationany change to the fastener from its aspurchased condition that results in modified mechanical,metallurgical,or functional properties.alteration distributordistributor of fasteners who alters afastener prior to sale and assumes the full responsibilities ofthe alteration and its affected mechanical and performancecharacteristics.anchor boltsteel rod or bar,one end of which is intended tobe cast in concrete while the opposite end is threaded andprojects from the concrete for anchoring other material to theconcrete.The end cast in concrete may be either str