ASTM F3125/F3125M-15a
(Specification)Standard Specification for High Strength Structural Bolts, Steel and Alloy Steel, Heat Treated, 120 ksi (830 MPa) and 150 ksi (1040 MPa) Minimum Tensile Strength, Inch and Metric Dimensions
Standard Specification for High Strength Structural Bolts, Steel and Alloy Steel, Heat Treated, 120 ksi (830 MPa) and 150 ksi (1040 MPa) Minimum Tensile Strength, Inch and Metric Dimensions
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:
1.3.1 Bolts are designated by grade or property class, which indicates inch or metric respectively.
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.
Grade
Min. Strength
Type
Style
A325
120 ksi
1
3
Heavy Hex Head
A325M
830 MPa
1
3
Heavy Hex Head
F1852
120 ksi
1
3
Twist-Off
A490
150 ksi
1
3
Heavy Hex Head
A490M
1040 MPa
1
3
Heavy Hex Head
F2280
150 ksi
1
3
Twist-Off
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
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 The following safety hazard caveat pertains to the test methods portion 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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Designation:F3125/F3125M −15a
Standard Specification for
High Strength Structural Bolts, Steel and Alloy Steel, Heat
Treated, 120 ksi (830 MPa) and 150 ksi (1040 MPa) Minimum
1
Tensile Strength, Inch and Metric Dimensions
ThisstandardisissuedunderthefixeddesignationF3125/F3125M;thenumberimmediatelyfollowingthedesignationindicatestheyear
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.
1. Scope
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
1.1 This specification covers chemical, physical and me-
1.4 Terms used in this specification are defined in F1789.
chanical requirements for quenched and tempered bolts manu-
factured from steel and alloy steel, in inch and metric
1.5 Units—ThevaluesstatedineitherSIunitsorinchpound
dimensions, in two strength grades, two types and two styles. units are to be regarded separately as standard. The values
1.1.1 This specification is a consolidation and replacement
stated in each system may not be exact equivalents; therefore,
of six ASTM standards, including; A325, A325M, A490, each system shall be used independently of the other. Combin-
A490M, F1852 and F2280.
ing values from the two systems may result in non-
1.1.2 This consolidated standard is to ensure alignment conformance with the standard.
between standards with the same intended end use and to
1.6 Table footnotes are requirements. Notes are advisory.
simplify the use and maintenance of structural bolt specifica-
1.7 The following safety hazard caveat pertains to the test
tions.
methods portion of this specification: This standard does not
1.2 Intended Use:
purport to address all of the safety concerns, if any, associated
1.2.1 Bolts manufactured under this specification are in-
with its use. It is the responsibility of the user of this standard
tended for use in structural connections covered in the Speci-
to establish appropriate safety and health practices and
fication for Structural Joints Using High-Strength Bolts, as
determine the applicability of regulatory limitations prior to
approved by the Research Council on Structural Connections.
use.
1.2.2 Bolts in this specification are furnished in sizes from
1 1
⁄2 to 1- ⁄2 in. inclusive and from M12 to M36 inclusive.
2. Referenced Documents
2
1.3 Classification:
2.1 ASTM Standards:
1.3.1 Boltsaredesignatedbygradeorpropertyclass,which
A194/A194MSpecification for Carbon Steel, Alloy Steel,
indicates inch or metric respectively.
and Stainless Steel Nuts for Bolts for High Pressure or
1.3.2 Bolts are designated by type denoting raw material
High Temperature Service, or Both
chemical composition.
A354Specification for Quenched and TemperedAlloy Steel
1.3.3 Bolts are designated by style denoting Heavy Hex
Bolts, Studs, and Other Externally Threaded Fasteners
bolts or “Twist-Off” Style assemblies.
A449Specification for Hex Cap Screws, Bolts and Studs,
Grade Min. Strength Type Style Steel, Heat Treated, 120/105/90 ksi Minimum Tensile
A325 120 ksi 1 3 Heavy Hex Head
Strength, General Use
A325M 830 MPa 1 3 Heavy Hex Head
A563Specification for Carbon and Alloy Steel Nuts
F1852 120 ksi 1 3 Twist-Off
A490 150 ksi 1 3 Heavy Hex Head A563MSpecificationforCarbonandAlloySteelNuts(Met-
A490M 1040 MPa 1 3 Heavy Hex Head
ric)
F2280 150 ksi 1 3 Twist-Off
A751Test Methods, Practices, and Terminology for Chemi-
Type 1 - 120 ksi (830 MPa) - carbon steel, carbon boron steel, alloy steel cal Analysis of Steel Products
or alloy steel with boron addition
B695Specification for Coatings of Zinc Mechanically De-
posited on Iron and Steel
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
Nuts, Rivets and Washers. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Dec. 15, 2015. Published March 2016. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
published in 2015. Last previous edition published in 2015 as F3125–15. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/F3125_F3125M–15A. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
F3125/F3125M−15a
E709Guide for Magnetic Particle Testing 3.1.3 Size: Including nominal bolt diameter and bolt length,
E1444/E1444MPractice for Magnetic Particle Testing and thread pitch if other than standard.
F436Specification for Hardened Steel Washers 3.1.4 Grade: A325, A325M, A4
...
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 − 15 F3125/F3125M − 15a
Standard Specification for
High Strength Structural Bolts, Steel and Alloy Steel, Heat
Treated, 120 ksi (830 MPa) and 150 ksi (1040 MPa) Minimum
1
Tensile Strength, Inch and Metric Dimensions
This standard is issued under the fixed designation F3125;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:
1.3.1 Bolts are designated by grade or property class, which indicates inch or metric respectively.
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.
Grade Min. Strength Type Style
A325 120 ksi 1 3 Heavy Hex Head
A325M 830 MPa 1 3 Heavy Hex Head
F1852 120 ksi 1 3 Twist-Off
A490 150 ksi 1 3 Heavy Hex Head
A490M 1040 MPa 1 3 Heavy Hex Head
F2280 150 ksi 1 3 Twist-Off
Type 1 - 120 ksi (830 MPa) - carbon steel, carbon boron steel, alloy steel or
alloy steel with boron addition
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
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 The following safety hazard caveat pertains to the test methods portion 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.
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 Jan. 1, 2015Dec. 15, 2015. Published January 2015March 2016. Originally published in 2015. Last previous edition published in 2015 as
F3125–15. DOI: 10.1520/F3125–15.10.1520/F3125_F3125M–15A.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
F3125/F3125M − 15a
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 Use
A563 Specification for Carbon and Alloy Steel Nuts
A563M Specification for Carbon and Alloy Steel Nuts (Metric)
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
B695 Specification for Coatings of Zinc Mechanically Deposited on Iron and Steel
E709 Guide for Magnetic Part
...
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