ASTM A325-09ae1
(Specification)Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength
Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength
ABSTRACT
This specification covers the chemical, mechanical, and dimensional requirements for two types of heavy hex structural bolts made of quenched and tempered steel that are intended for use in structural connections. These bolts are designated by type, denoting chemical composition, as follows: Type 1—medium carbon, carbon boron, or medium carbon alloy steel; and Type 3—weathering steel. The steel bolts shall undergo heat and product analysis for chemical composition measurements. The bolts shall also undergo test that shall examine their conformance to specified properties such as dimensions and thread fit, surface discontinuities, coating weight and thickness, hardness, tensile strength, yield strength, elongation, reduction of area, proof load, and rotational capacity.
SCOPE
1.1 This specification covers two types of quenched and tempered steel heavy hex structural bolts having a minimum tensile strength of 120 ksi for sizes 1.0 in. and less and 105 ksi for sizes over 1.0 to 1½ in., inclusive.
1.2 The bolts are intended for use in structural connections. These connections are covered under the requirements of the Specification for Structural Joints Using ASTM 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:
Type Description
Type 1 Medium carbon, carbon boron, or medium carbon alloy steel. Type 2 Withdrawn in November 1991. Type 3 Weathering steel.
Note 1—Bolts for general applications, including anchor bolts, are covered by Specification A449. Also refer to Specification A449 for quenched and tempered steel bolts and studs with diameters greater than 1½ in. but with similar mechanical properties.
1.4 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.
Note 2—A complete metric companion to Specification A325 has been developed—Specification A325M; therefore, no metric equivalents are presented in this specification.
1.5 This specification is applicable to heavy hex structural bolts only. For bolts of other configurations and thread lengths with similar mechanical properties, see Specification A449.
1.6 Terms used in this specification are defined in Terminology F1789.
1.7 The following safety hazard caveat pertains only to the test methods portion, Section 10, 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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American Association
´1
Designation: A325 – 09a State Highway and
Transportation Officials
Standard AASHTO No.: M 164
Standard Specification for
Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum
1
Tensile Strength
This standard is issued under the fixed designation A325; 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
´ NOTE—Table 5 was editorially corrected in March 2010.
1. Scope* 1.5 This specification is applicable to heavy hex structural
2 bolts only. For bolts of other configurations and thread lengths
1.1 This specification covers two types of quenched and
with similar mechanical properties, see Specification A449.
tempered steel heavy hex structural bolts having a minimum
1.6 Terms used in this specification are defined in Termi-
tensile strength of 120 ksi for sizes 1.0 in. and less and 105 ksi
1 nology F1789.
for sizes over 1.0 to 1 ⁄2 in., inclusive.
1.7 The following safety hazard caveat pertains only to the
1.2 The bolts are intended for use in structural connections.
test methods portion, Section 10, of this specification: This
These connections are covered under the requirements of the
standard does not purport to address all of the safety concerns,
Specification for Structural Joints UsingASTMA325 orA490
if any, associated with its use. It is the responsibility of the user
Bolts, approved by the Research Council on Structural Con-
of this standard to establish appropriate safety and health
nections,endorsedbytheAmericanInstituteofSteelConstruc-
3
practices and determine the applicability of regulatory limita-
tion and by the Industrial Fastener Institute.
1 1 tions prior to use.
1.3 The bolts are furnished in sizes ⁄2 to 1 ⁄2 in., inclusive.
Theyaredesignatedbytype,denotingchemicalcompositionas
2. Referenced Documents
follows:
4
2.1 ASTM Standards:
Type Description
A194/A194M Specification for Carbon and Alloy Steel
Nuts for Bolts for High Pressure or High Temperature
Type 1 Medium carbon, carbon boron, or medium carbon alloy steel.
Service, or Both
Type 2 Withdrawn in November 1991.
A449 Specification for Hex Cap Screws, Bolts and Studs,
Type 3 Weathering steel.
Steel, Heat Treated, 120/105/90 ksi Minimum Tensile
NOTE 1—Bolts for general applications, including anchor bolts, are
Strength, General Use
covered by Specification A449. Also refer to Specification A449 for
A490 Specification for Structural Bolts, Alloy Steel, Heat
quenched and tempered steel bolts and studs with diameters greater than
1
1 ⁄2 in. but with similar mechanical properties. Treated, 150 ksi Minimum Tensile Strength
A563 Specification for Carbon and Alloy Steel Nuts
1.4 The values stated in inch-pound units are to be regarded
A751 Test Methods, Practices, andTerminology for Chemi-
as standard. No other units of measurement are included in this
cal Analysis of Steel Products
standard.
B695 Specification for Coatings of Zinc Mechanically De-
NOTE 2—Acomplete metric companion to SpecificationA325 has been
posited on Iron and Steel
developed—Specification A325M; therefore, no metric equivalents are
D3951 Practice for Commercial Packaging
presented in this specification.
F436 Specification for Hardened Steel Washers
F606 Test Methods for Determining the Mechanical Prop-
1
This specification is under the jurisdiction of ASTM Committee F16 on erties of Externally and Internally Threaded Fasteners,
Fasteners and is the direct responsibility of Subcommittee F16.02 on Steel Bolts,
Washers, Direct Tension Indicators, and Rivets
Nuts, Rivets and Washers.
F788/F788M Specification for Surface Discontinuities of
Current edition approved Dec. 1, 2009. Published December 2009. Originally
approved in 1964. Last previous edition approved in 2009 as A325 – 09. DOI:
10.1520/A0325-09.
2 4
For ASME Boiler and Pressure Vessel Code applications see related Specifi- For referenced ASTM standards, visit the ASTM website, www.astm.org, or
cation SA-325 in Section II of that Code. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Published byAmerican Institute of Steel Construction (AISC), One E. Wacker Standards volume information, refer to the standard’s Document Summary page on
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 ----------------------
´1
A325 – 09a
Bolts, Screws, and Studs, Inch a
...
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
´1
Designation:A325–09a Designation: A325 – 09a State Highway and
Transportation Officials
Standard AASHTO No.: M 164
Standard Specification for
Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum
1
Tensile Strength
This standard is issued under the fixed designation A325; 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 (ϵ) 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
ϵ NOTE—Table 5 was editorially corrected in March 2010.
1. Scope*
2
1.1 This specification covers two types of quenched and tempered steel heavy hex structural bolts having a minimum tensile
1
strength of 120 ksi for sizes 1.0 in. and less and 105 ksi for sizes over 1.0 to 1 ⁄2 in., inclusive.
1.2 The bolts are intended for use in structural connections. These connections are covered under the requirements of the
SpecificationforStructuralJointsUsingASTMA325orA490Bolts,approvedbytheResearchCouncilonStructuralConnections,
3
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, carbon boron, or medium carbon alloy steel.
Type 2 Withdrawn in November 1991.
Type 3 Weathering steel.
NOTE 1—Bolts for general applications, including anchor bolts, are covered by SpecificationA449.Also refer to SpecificationA449 for quenched and
1
tempered steel bolts and studs with diameters greater than 1 ⁄2 in. but with similar mechanical properties.
1.4 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this
standard.
NOTE 2—A complete metric companion to Specification A325 has been developed—Specification A325M; therefore, no metric equivalents are
presented in this specification.
1.5 This specification is applicable to heavy hex structural bolts only. For bolts of other configurations and thread lengths with
similar mechanical properties, see Specification A449.
1.6 Terms used in this specification are defined in Terminology F1789.
1.7 Thefollowingsafetyhazardcaveatpertainsonlytothetestmethodsportion,Section10,ofthisspecification: 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
4
2.1 ASTM Standards:
A194/A194M Specification for Carbon andAlloy Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
A449 Specification for Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength,
General Use
A490 Specification for Structural Bolts, Alloy Steel, Heat Treated, 150 ksi Minimum Tensile Strength
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.
Current edition approved Dec. 1, 2009. Published December 2009. Originally approved in 1964. Last previous edition approved in 2009 as A325 – 09. DOI:
10.1520/A0325-09.
2
For ASME Boiler and Pressure Vessel Code applications see related Specification SA-325 in Section II of that Code.
3
Published by American Institute of Steel Construction (AISC), One E. Wacker Dr., Suite 700, Chicago, IL 60601-2001, http://www.aisc.org.
4
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 ----------------------
´1
A325 – 09a
A563 Specification for Carbon and Alloy Steel Nuts
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
B695 Specification for Coatings of Zinc Mechanically Deposited on Iron and Steel
D3951 Practice for Commercial Packaging
F436 Specification for Ha
...
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
´1
Designation:A325–09a Designation: A325 – 09a State Highway and
Transportation Officials
Standard AASHTO No.: M 164
Standard Specification for
Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum
1
Tensile Strength
This standard is issued under the fixed designation A325; 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
´ NOTE—Table 5 was editorially corrected in March 2010.
1. Scope*
2
1.1 This specification covers two types of quenched and tempered steel heavy hex structural bolts having a minimum tensile
1
strength of 120 ksi for sizes 1.0 in. and less and 105 ksi for sizes over 1.0 to 1 ⁄2 in., inclusive.
1.2 The bolts are intended for use in structural connections. These connections are covered under the requirements of the
SpecificationforStructuralJointsUsingASTMA325orA490Bolts,approvedbytheResearchCouncilonStructuralConnections,
3
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, carbon boron, or medium carbon alloy steel.
Type 2 Withdrawn in November 1991.
Type 3 Weathering steel.
NOTE 1—Bolts for general applications, including anchor bolts, are covered by SpecificationA449.Also refer to SpecificationA449 for quenched and
1
tempered steel bolts and studs with diameters greater than 1 ⁄2 in. but with similar mechanical properties.
1.4 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this
standard.
NOTE 2—A complete metric companion to Specification A325 has been developed—Specification A325M; therefore, no metric equivalents are
presented in this specification.
1.5 This specification is applicable to heavy hex structural bolts only. For bolts of other configurations and thread lengths with
similar mechanical properties, see Specification A449.
1.6 Terms used in this specification are defined in Terminology F1789.
1.7 Thefollowingsafetyhazardcaveatpertainsonlytothetestmethodsportion,Section10,ofthisspecification: 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
4
2.1 ASTM Standards:
A194/A194M Specification for Carbon andAlloy Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
A449 Specification for Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength,
General Use
A490 Specification for Structural Bolts, Alloy Steel, Heat Treated, 150 ksi Minimum Tensile Strength
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.
Current edition approved Dec. 1, 2009. Published December 2009. Originally approved in 1964. Last previous edition approved in 2009 as A325 – 09. DOI:
10.1520/A0325-09.
2
For ASME Boiler and Pressure Vessel Code applications see related Specification SA-325 in Section II of that Code.
3
Published by American Institute of Steel Construction (AISC), One E. Wacker Dr., Suite 700, Chicago, IL 60601-2001, http://www.aisc.org.
4
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 ----------------------
´1
A325 – 09a
A563 Specification for Carbon and Alloy Steel Nuts
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
B695 Specification for Coatings of Zinc Mechanically Deposited on Iron and Steel
D3951 Practice for Commercial Packaging
F436 Specification for Ha
...
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