ASTM F3125/F3125M-23

Standard Specification for High Strength Structural Bolts and Assemblies, Steel and Alloy Steel, Heat Treated, Inch Dimensions 120 ksi and 150 ksi Minimum Tensile Strength, and Metric Dimensions 830 MPa and 1040 MPa Minimum Tensile Strength

ABSTRACT
This specification provides the chemical, physical and mechanical requirements for quenched and tempered bolts manufactured from steel and alloy steel, in inch and metric dimensions, in two strength grades, two types and two styles. It is intended to ensure alignment between standards with the same intended end use and to simplify the use and maintenance of structural bolt specifications.
SCOPE
1.1 This specification covers chemical, physical and mechanical requirements for quenched and tempered bolts manufactured from steel and alloy steel, in inch and metric dimensions, in two strength grades, two types and two styles.  
1.1.1 This specification is a consolidation and replacement of six ASTM standards, including; A325, A325M, A490, A490M, F1852 and F2280.  
1.1.2 This consolidated standard is to ensure alignment between standards with the same intended end use and to simplify the use and maintenance of structural bolt specifications.  
1.2 Intended Use:  
1.2.1 Bolts manufactured under this specification are intended for use in structural connections covered in the Specification for Structural Joints Using High-Strength Bolts, as approved by the Research Council on Structural Connections.  
1.2.2 Bolts in this specification are furnished in sizes from 1/2 to 1-1/2 in. inclusive and from M12 to M36 inclusive.  
1.3 Classification, Table 1:  
1.3.1 Bolts are designated by grade, which indicates inch or metric strength and style.  
1.3.2 Bolts are designated by type denoting raw material chemical composition.  
1.3.3 Bolts are designated by style denoting Heavy Hex bolts or “Twist-Off” Style assemblies.  
1.4 Terms used in this specification are defined in F1789.  
1.5 Units—The values stated in either SI units or inch pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.  
1.6 Table footnotes are requirements. Notes are advisory.  
1.7 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.8 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 Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

• Status: Published
• Publication Date: 31-Oct-2023
• ICS: 21.060.10 - Bolts, screws, studs
• Technical Committee: F16 - Fasteners
• Drafting Committee: F16.02 - Steel Bolts, Studs and Nuts

Relations

• Replaces: ASTM F3125/F3125M-22 - Standard Specification for High Strength Structural Bolts and Assemblies, Steel and Alloy Steel, Heat Treated, Inch Dimensions 120 ksi and 150 ksi Minimum Tensile Strength, and Metric Dimensions 830 MPa and 1040 MPa Minimum Tensile Strength
• Effective Date: 01-Nov-2023
• Refers: ASTM F3019/F3019M-19 - Standard Specification for Chromium Free Zinc-Flake Composite, with or without Integral Lubricant, Corrosion Protective Coatings for Fasteners
• Effective Date: 01-Dec-2019
• Referred By: ASTM A36/A36M-19 - Standard Specification for Carbon Structural Steel
• Effective Date: 01-Nov-2023
• Referred By: ASTM A354-17e2 - Standard Specification for Quenched and Tempered Alloy Steel Bolts, Studs, and Other Externally Threaded Fasteners
• Effective Date: 01-Nov-2023
• Referred By: ASTM B695-21 - Standard Specification for Coatings of Zinc Mechanically Deposited on Iron and Steel
• Effective Date: 01-Nov-2023
• Referred By: ASTM A563/A563M-21ae1 - Standard Specification for Carbon and Alloy Steel Nuts (Inch and Metric)
• Effective Date: 01-Nov-2023

Standards Content (Sample)

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 Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: F3125/F3125M − 23
Standard Specification for
High Strength Structural Bolts and Assemblies, Steel and
Alloy Steel, Heat Treated, Inch Dimensions 120 ksi and 150
ksi Minimum Tensile Strength, and Metric Dimensions 830
1
MPa and 1040 MPa Minimum Tensile Strength
This standard is issued under the fixed designation F3125/F3125M; 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.
1. Scope* ing values from the two systems may result in non-
conformance with the standard.
1.1 This specification covers chemical, physical and me-
chanical requirements for quenched and tempered bolts manu- 1.6 Table footnotes are requirements. Notes are advisory.
factured from steel and alloy steel, in inch and metric
1.7 This standard does not purport to address all of the
dimensions, in two strength grades, two types and two styles.
safety concerns, if any, associated with its use. It is the
1.1.1 This specification is a consolidation and replacement
responsibility of the user of this standard to establish appro-
of six ASTM standards, including; A325, A325M, A490,
priate safety, health, and environmental practices and deter-
A490M, F1852 and F2280.
mine the applicability of regulatory limitations prior to use.
1.1.2 This consolidated standard is to ensure alignment
1.8 This international standard was developed in accor-
between standards with the same intended end use and to
dance with internationally recognized principles on standard-
simplify the use and maintenance of structural bolt specifica-
ization established in the Decision on Principles for the
tions.
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
1.2 Intended Use:
Barriers to Trade (TBT) Committee.
1.2.1 Bolts manufactured under this specification are in-
tended for use in structural connections covered in the Speci-
2. Referenced Documents
fication for Structural Joints Using High-Strength Bolts, as
2
approved by the Research Council on Structural Connections.
2.1 ASTM Standards:
1.2.2 Bolts in this specification are furnished in sizes from
A194/A194M Specification for Carbon Steel, Alloy Steel,
1 1
⁄2 to 1- ⁄2 in. inclusive and from M12 to M36 inclusive.
and Stainless Steel Nuts for Bolts for High Pressure or
High Temperature Service, or Both
1.3 Classification, Table 1:
A354 Specification for Quenched and Tempered Alloy Steel
1.3.1 Bolts are designated by grade, which indicates inch or
Bolts, Studs, and Other Externally Threaded Fasteners
metric strength and style.
A449 Specification for Hex Cap Screws, Bolts and Studs,
1.3.2 Bolts are designated by type denoting raw material
Steel, Heat Treated, 120/105/90 ksi Minimum Tensile
chemical composition.
Strength, General Use
1.3.3 Bolts are designated by style denoting Heavy Hex
A563/A563M Specification for Carbon and Alloy Steel Nuts
bolts or “Twist-Off” Style assemblies.
(Inch and Metric)
1.4 Terms used in this specification are defined in F1789.
A751 Test Methods and Practices for Chemical Analysis of
1.5 Units—The values stated in either SI units or inch pound Steel Products
units are to be regarded separately as standard. The values B695 Specification for Coatings of Zinc Mechanically De-
stated in each system may not be exact equivalents; therefore, posited on Iron and Steel
each system shall be used independently of the other. Combin- E709 Guide for Magnetic Particle Testing
E1444/E1444M Practice for Magnetic Particle Testing for
Aerospace
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,
2
Studs and Nuts. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Nov. 1, 2023. Published November 2023. Originally contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
published in 2015. Last previous edition published in 2022 as F3125 – 22. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/F3125_F3125M-23. 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 ----------------------
F3125/F3125M − 23
TABLE 1 Classification
B18.2.6M Metric Fasteners for Use in Structural Applica-
A
Grade Min. Strength Type Style
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM 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.
Designation: F3125/F3125M − 22 F3125/F3125M − 23
Standard Specification for
High Strength Structural Bolts and Assemblies, Steel and
Alloy Steel, Heat Treated, Inch Dimensions 120 ksi and 150
ksi Minimum Tensile Strength, and Metric Dimensions 830
1
MPa and 1040 MPa Minimum Tensile Strength
This standard is issued under the fixed designation F3125/F3125M; 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.
1. Scope*
1.1 This specification covers chemical, physical and mechanical requirements for quenched and tempered bolts manufactured
from steel and alloy steel, in inch and metric dimensions, in two strength grades, two types and two styles.
1.1.1 This specification is a consolidation and replacement of six ASTM standards, including; A325, A325M, A490, A490M,
F1852 and F2280.
1.1.2 This consolidated standard is to ensure alignment between standards with the same intended end use and to simplify the use
and maintenance of structural bolt specifications.
1.2 Intended Use:
1.2.1 Bolts manufactured under this specification are intended for use in structural connections covered in the Specification for
Structural Joints Using High-Strength Bolts, as approved by the Research Council on Structural Connections.
1 1
1.2.2 Bolts in this specification are furnished in sizes from ⁄2 to 1- ⁄2 in. inclusive and from M12 to M36 inclusive.
1.3 Classification, Table 1:
1.3.1 Bolts are designated by grade, which indicates inch or metric strength and style.
1.3.2 Bolts are designated by type denoting raw material chemical composition.
1.3.3 Bolts are designated by style denoting Heavy Hex bolts or “Twist-Off” Style assemblies.
1.4 Terms used in this specification are defined in F1789.
1.5 Units—The values stated in either SI units or inch pound units are to be regarded separately as standard. The values stated in
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 WashersStuds and Nuts.
Current edition approved June 1, 2022Nov. 1, 2023. Published June 2022November 2023. Originally published in 2015. Last previous edition published in 20212022 as
F3125F3125 – 22.–21. DOI: 10.1520/F3125_F3125M–22.10.1520/F3125_F3125M-23.
*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 ----------------------
F3125/F3125M − 23
TABLE 1 Classification
A
Grade Min. Strength Type Style
A325 120 ksi 1 3 Heavy Hex Head
A490 150 ksi 1 3 Heavy Hex Head
F1852 120 ksi 1 3 Twist-Off
F2280 150 ksi 1 3 Twist-Off
A325M 830 MPa 1 3 Heavy Hex Head
A490M 1040 MPa 1 3 Heavy Hex Head
A
Type 1 - 120 ksi (830 MPa) - carbon steel, carbon boron steel, alloy steel or alloy
steel with boron addition
Type 3 - 120 ksi (830 MPa) or 150 ksi (1040 MPa) - weathering steel
Type 1 - 150 ksi (1040 MPa) - alloy steel or alloy steel with boron addition
each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from
the two systems may result in non-conformance with the standard.
1.6 Table footnotes are requirements. Notes are advisory.
1.7 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, health, and environmental practices and determine the applicability of
regulatory limitations prior to use.
1.8 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 Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2
2.1 ASTM Standards:
A194/A194M Specification for Carbon Steel, Alloy Steel, and Stainless Steel Nuts for Bolts for High Pressure or High
Temperature Service, or Both
A354 Specification for Quenched and Tempered Alloy Steel Bolts, Studs, and Other Externally Threaded Fasteners
A449 Specification for Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength,
General
...