Standard Terminology for F16 Mechanical Fasteners

SCOPE
1.1 This terminology standard provides a compilation of definitions 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/ASME B18.12; IFI Glossary of Terms, IFI-139 and IFI-140; and SAE J412.

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Publication Date
30-Apr-2010
Technical Committee
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ASTM F1789-10ae1 - Standard Terminology for F16 Mechanical Fasteners
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Designation:F1789–10a
Standard Terminology for
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F16 Mechanical Fasteners
This standard is issued under the fixed designation F1789; 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 (´) indicates an editorial change since the last revision or reapproval.
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´ NOTE—The term lots from blanks was editorially corrected in October 2010.
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1. Scope 2.5 ISO/IEC Standards:
ISO/IEC 17011 Conformity assessment -- General require-
1.1 This terminology standard provides a compilation of
ments for accreditation bodies accrediting conformity
definitions for terminology used for mechanical fasteners.
assessment bodies
1.2 Terms in this terminology are organized alphabetically.
ISO/IEC 17025 General requirements for the competence
In Appendix X1 they are listed under fastener characteristic.
of testing and calibration laboratories
1.3 Additional definitions are shown in ANSI/ASME
B18.12; IFI Glossary of Terms, IFI-139 and IFI-140; and
3. Mechanical Fastener Definitions
SAE J412.
acceptance number—numerical value representing the maxi-
2. Referenced Documents
mum number of permissible non-conformances within a
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2.1 ASTM Standards: sample submitted for testing and acceptance of the popula-
A563 Specification for Carbon and Alloy Steel Nuts tion.
E456 Terminology Relating to Quality and Statistics accredited laboratory—an organization found to be operating
F432 Specification for Roof and Rock Bolts and Accesso- in conformance with the requirements of ISO/IEC 17025 by
ries an accrediting body that has been found to be compliant to
F2428 GuideforSelectionandUseforPelvicRingCircum- ISO/IEC 17011, and is recognized as a signatory to the
ferential Compression Stabilization Devices (PRCCSD) International Laboratory Accreditation Cooperation (ILAC)
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2.2 ANSI/ASME Standard: Mutual Recognition Arrangement (MRA).
B18.12 Glossary of Terms for Mechanical Fasteners age hardened—precipitation of constituents within certain
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2.3 IFI Standards: alloy metals to increase mechanical properties.
Glossary of Terms Relating to Aerospace Fasteners alloy group—materials grouped by their chemical designation
IFI-139 Quality Assurance Requirements for Fastener Test- and considered to be functionally or chemically similar for
ing Laboratories general purpose use.
IFI-140 Carbon and Alloy Steel Wire, Rods, and Bars for alloy steel—steel is considered to be alloy when the maximum
Mechanical Fasteners range given for manganese exceeds 1.65 % or a definite
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2.4 SAE Standard: minimum quantity for any of the following elements is
SAE J412 General Characteristics and Heat Treatments of specified or required within the limits of the recognized field
Steels of constructional alloy steels: chromium, molybdenum,
nickel, or any other alloying element added to obtain a
desired alloying effect.
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This terminology is under the jurisdiction of ASTM Committee F16 on
alter—to change fastener properties such as hardness, tensile
Fasteners and is the direct responsibility of Subcommittee F16.94 on Terminology.
strength, surface finish, length, or other characteristics of the
CurrenteditionapprovedMay1,2010.PublishedJuly2010.Originallyapproved
fastener through such processes as heat treatment, plating,
in 1997. Last previous edition approved in 2009 as F1789 – 10. DOI: 10.1520/
F1789-10AE01. and machining.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
alteration
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
insignificant alteration—any change to the fastener from its
Standards volume information, refer to the standard’s Document Summary page on
purchased condition that results in no diminished or modi-
the ASTM website.
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Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
fied mechanical, metallurgical, or functional properties.
4th Floor, New York, NY 10036, http://www.ansi.org.
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Available from Industrial Fasteners Institute, 1717 E. 9th Street, Suite 1105,
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Cleveland, OH 44114. Available from International Organization for Standardization (ISO), 1, ch. de
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Available from Society of Automotive Engineers (SAE), 400 Commonwealth la Voie-Creuse, Case postale 56, CH-1211, Geneva 20, Switzerland, http://
Dr., Warrendale, PA 15096-0001, http://www.sae.org. www.iso.ch.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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F1789–10a
significant alteration—any change to the fastener from its as which prevents most of the carbides from reprecipitating.
purchased condition that results in modified mechanical, The process achieves optimum creep st
...

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