ASTM F3125-15
(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 −15
StandardSpecification 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; 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.
1. Scope
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-
1.5 Units—ThevaluesstatedineitherSIunitsorinchpound
factured from steel and alloy steel, in inch and metric
units are to be regarded separately as standard. The values
dimensions, in two strength grades, two types and two styles.
stated in each system may not be exact equivalents; therefore,
1.1.1 This specification is a consolidation and replacement
each system shall be used independently of the other. Combin-
of six ASTM standards, including; A325, A325M, A490,
ing values from the two systems may result in non-
A490M, F1852 and F2280.
conformance with the standard.
1.1.2 This consolidated standard is to ensure alignment
1.6 Table footnotes are requirements. Notes are advisory.
between standards with the same intended end use and to
1.7 The following safety hazard caveat pertains to the test
simplify the use and maintenance of structural bolt specifica-
methods portion of this specification: This standard does not
tions.
purport to address all of the safety concerns, if any, associated
1.2 Intended Use:
with its use. It is the responsibility of the user of this standard
1.2.1 Bolts manufactured under this specification are in-
to establish appropriate safety and health practices and
tended for use in structural connections covered in the Speci-
determine the applicability of regulatory limitations prior to
fication for Structural Joints Using High-Strength Bolts, as
use.
approved by the Research Council on Structural Connections.
1.2.2 Bolts in this specification are furnished in sizes from
2. Referenced Documents
1 1
⁄2 to 1- ⁄2 in. inclusive and from M12 to M36 inclusive.
2
2.1 ASTM Standards:
1.3 Classification:
A194/A194MSpecificationforCarbonandAlloySteelNuts
1.3.1 Boltsaredesignatedbygradeorpropertyclass,which
for Bolts for High Pressure or High Temperature Service,
indicates inch or metric respectively.
or Both
1.3.2 Bolts are designated by type denoting raw material
A354Specification for Quenched and TemperedAlloy Steel
chemical composition.
Bolts, Studs, and Other Externally Threaded Fasteners
1.3.3 Bolts are designated by style denoting Heavy Hex
A449Specification for Hex Cap Screws, Bolts and Studs,
bolts or “Twist-Off” Style assemblies.
Steel, Heat Treated, 120/105/90 ksi Minimum Tensile
Grade Min. Strength Type Style
Strength, General Use
A325 120 ksi 1 3 Heavy Hex Head
A563Specification for Carbon and Alloy Steel Nuts
A325M 830 MPa 1 3 Heavy Hex Head
F1852 120 ksi 1 3 Twist-Off A563MSpecificationforCarbonandAlloySteelNuts(Met-
A490 150 ksi 1 3 Heavy Hex Head
ric)
A490M 1040 MPa 1 3 Heavy Hex Head
A751Test Methods, Practices, and Terminology for Chemi-
F2280 150 ksi 1 3 Twist-Off
cal Analysis of Steel Products
Type 1 - 120 ksi (830 MPa) - carbon steel, carbon boron steel, alloy steel or
B695Specification for Coatings of Zinc Mechanically De-
alloy steel with boron addition
posited on Iron and Steel
Type 3 - 120 ksi (830 MPa) or 150 ksi (1040 MPa) - weathering steel
E709Guide for Magnetic Particle Testing
1
This specification is under the jurisdiction of ASTM Committee F16 on
2
Fasteners and is the direct responsibility of Subcommittee F16.02 on Steel Bolts, For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Nuts, Rivets and Washers. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved Jan. 1, 2015. Published January 2015. DOI: 10.1520/ Standards volume information, refer to the standard’s Document Summary page on
F3125–15. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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F3125−15
F1136/F1136MSpecification for Zinc/Aluminum Corrosion 3.1.5 Type: Type 1 or Type 3. When Type is not specified
Protective Coatings for Fasteners either Type 1 or Type 3 may be furnished at the supplier’s
E1444/E1444MPractice for Magnetic Particle Testing option.
F436Specification for Hardened Steel Washers 3.1.6 Style: Heavy Hex or Twist-Off Style.
F436
...
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