Standard Specification for Structural Bolts, Alloy Steel, Heat Treated, 150 ksi Minimum Tensile Strength

SCOPE
1.1 This specification covers two types of quenched and tempered, alloy steel, heavy hex structural bolts having a tensile strength of 150 to 173 ksi.
1.2 These bolts are intended for use in structural connections. These connections are covered under the requirements of the Specification for Structural Joints Using Specification A325 or A490 bolts, approved by the Research Council on Structural Connections; endorsed by the American Institute of Steel Construction and by the Industrial Fastener Institute.  
1.3 The bolts are furnished in sizes ½ to 1½ in., inclusive. They are designated by type denoting chemical composition as follows:
  TypeDescription  Type 1Medium carbon alloy steel Type 2Withdrawn in 2002 Type 3Weathering steel
1.4 This specification provides that heavy hex structural bolts shall be furnished unless other dimensional requirements are specified on the purchase order.
1.5 Terms used in this specification are defined in Terminology F1789 unless otherwise defined herein.
1.6 For metric bolts, see Specification A490M Classes 10.9 and 10.9.3
1.7 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.
1.8 The following safety hazards caveat pertains only to the Test Methods portion, Section 12 of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: A490 −12 AmericanAssociation State
Highway and Transportation
Officials Standard
AASHTO No.: M 253
Standard Specification for
Structural Bolts, Alloy Steel, Heat Treated, 150 ksi Minimum
1
Tensile Strength
This standard is issued under the fixed designation A490; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope* standard does not purport to address all of the safety concerns,
if any, associated with its use. It is the responsibility of the user
1.1 This specification covers two types of quenched and
of this standard to establish appropriate safety and health
tempered, alloy steel, heavy hex structural bolts having a
practices and determine the applicability of regulatory limita-
tensile strength of 150 to 173 ksi.
tions prior to use.
1.2 These bolts are intended for use in structural connec-
tions.Theseconnectionsarecoveredundertherequirementsof 2. Referenced Documents
3
the Specification for Structural Joints Using Specification
2.1 ASTM Standards:
A325 or A490 bolts, approved by the Research Council on
A194/A194MSpecificationforCarbonandAlloySteelNuts
Structural Connections; endorsed by theAmerican Institute of
for Bolts for High Pressure or High Temperature Service,
2
Steel Construction and by the Industrial Fastener Institute.
or Both
1 1
A325Specification for Structural Bolts, Steel, Heat Treated,
1.3 The bolts are furnished in sizes ⁄2 to 1 ⁄2 in., inclusive.
Theyaredesignatedbytypedenotingchemicalcompositionas 120/105 ksi Minimum Tensile Strength
A354Specification for Quenched and TemperedAlloy Steel
follows:
Bolts, Studs, and Other Externally Threaded Fasteners
Type Description
A490MSpecification for High-Strength Steel Bolts, Classes
Type 1 Medium carbon alloy steel
10.9 and 10.9.3, for Structural Steel Joints (Metric)
Type 2 Withdrawn in 2002
A563Specification for Carbon and Alloy Steel Nuts
Type 3 Weathering steel
A751Test Methods, Practices, and Terminology for Chemi-
1.4 This specification provides that heavy hex structural
cal Analysis of Steel Products
bolts shall be furnished unless other dimensional requirements
D3951Practice for Commercial Packaging
are specified on the purchase order.
E384Test Method for Knoop and Vickers Hardness of
1.5 Terms used in this specification are defined in Termi-
Materials
nology F1789 unless otherwise defined herein.
E709Guide for Magnetic Particle Testing
E1444Practice for Magnetic Particle Testing
1.6 For metric bolts, see Specification A490M Classes 10.9
F436Specification for Hardened Steel Washers
and 10.9.3
F606Test Methods for Determining the Mechanical Proper-
1.7 Thevaluesstatedininch-poundunitsaretoberegarded
ties of Externally and Internally Threaded Fasteners,
asstandard.Nootherunitsofmeasurementareincludedinthis
Washers, Direct Tension Indicators, and Rivets
standard.
F788/F788MSpecification for Surface Discontinuities of
1.8 The following safety hazards caveat pertains only to the
Bolts, Screws, and Studs, Inch and Metric Series
Test Methods portion, Section 12 of this specification: This
F959Specification for Compressible-Washer-Type Direct
Tension Indicators for Use with Structural Fasteners
1
F1136Specification for Zinc/Aluminum Corrosion Protec-
This specification is under the jurisdiction of ASTM Committee F16 on
Fasteners and is the direct responsibility of Subcommittee F16.02 on Steel Bolts,
tive Coatings for Fasteners
Nuts, Rivets and Washers.
Current edition approved April 1, 2012. Published April 2012. Originally
3
approved in 1964. Last previous edition approved in 2011 as A490–11. DOI: For referenced ASTM standards, visit the ASTM website, www.astm.org, or
10.1520/A0490-12. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
2
Available from American Institute of Steel Construction (AISC), One E. Standards volume information, refer to the standard’s Document Summary page on
Wacker Dr., Suite 700, Chicago, IL 60601-2001, http://www.aisc.org. the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
A490 − 12
F1470Practice for Fastener Sampling for Specified Me-
Bolt Type and Finish Nut Class and Finish
chanical Properties and Performance Inspection
1, plain (uncoated) A563—DH, DH3 plain (uncoated)
F1789Terminology for F16 Mechanical Fasteners
F2328Test Method for Determining Decarburization and
1, coated in accordance A563—coated
...

This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
American Association State
Designation:A490–11 Designation: A490 – 12 Highway and Transportation
Officials Standard
AASHTO No.: M 253
Standard Specification for
Structural Bolts, Alloy Steel, Heat Treated, 150 ksi Minimum
1
Tensile Strength
This standard is issued under the fixed designation A490; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope*
1.1 This specification covers two types of quenched and tempered, alloy steel, heavy hex structural bolts having a tensile
strength of 150 to 173 ksi.
1.2 These bolts are intended for use in structural connections. These connections are covered under the requirements of the
Specification for Structural Joints Using Specification A325 or A490 bolts, approved by the Research Council on Structural
2
Connections; endorsed by the American Institute of Steel Construction and by the Industrial Fastener Institute.
1 1
1.3 The bolts are furnished in sizes ⁄2 to 1 ⁄2 in., inclusive. They are designated by type denoting chemical composition as
follows:
Type Description
Type 1 Medium carbon alloy steel
Type 2 Withdrawn in 2002
Type 3 Weathering steel
1.4 This specification provides that heavy hex structural bolts shall be furnished unless other dimensional requirements are
specified on the purchase order.
1.5 Terms used in this specification are defined in Terminology F1789 unless otherwise defined herein.
1.6 For metric bolts, see Specification A490M Classes 10.9 and 10.9.3
1.7 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this
standard.
1.8 ThefollowingsafetyhazardscaveatpertainsonlytotheTestMethodsportion,Section12ofthisspecification: This standard
does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this
standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents
3
2.1 ASTM Standards:
A194/A194M Specification for Carbon andAlloy Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
A325 Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength
A354 Specification for Quenched and Tempered Alloy Steel Bolts, Studs, and Other Externally Threaded Fasteners
A490M Specification for High-Strength Steel Bolts, Classes 10.9 and 10.9.3, for Structural Steel Joints (Metric)
A563 Specification for Carbon and Alloy Steel Nuts
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
D3951 Practice for Commercial Packaging
E384 Test Method for Knoop and Vickers Hardness of Materials
E709 Guide for Magnetic Particle Testing
1
This specification is under the jurisdiction of ASTM Committee F16 on Fasteners and is the direct responsibility of Subcommittee F16.02 on Steel Bolts, Nuts, Rivets
and Washers.
´1
Current edition approved Dec. 15, 2011. Published January 2012. Originally approved in 1964. Last previous edition approved in 2010 as A490–10a . DOI:
10.1520/A0490-11.
CurrenteditionapprovedApril1,2012.PublishedApril2012.Originallyapprovedin1964.Lastpreviouseditionapprovedin2011asA490 – 11.DOI:10.1520/A0490-12.
2
Available from American Institute of Steel Construction (AISC), One E. Wacker Dr., Suite 700, Chicago, IL 60601-2001, http://www.aisc.org.
3
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
A490 – 12
E1444 Practice for Magnetic Particle Testing
F436 Specification for Hardened Steel Washers
F606 TestMethodsforDeterminingtheMechanicalPropertiesofExternallyandInternallyThreadedFasteners,Washers,Direct
Tension Indicators, and Rivets
F788/F788M Specification for Surface Discontinuities of Bolts, Screws, and Studs, Inch and Metric Series
F959 Specification for Compressible-Washer-Type
...

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