1、Designation:F312515Standard Specification forHigh Strength Structural Bolts,Steel and Alloy Steel,HeatTreated,120 ksi(830 MPa)and 150 ksi(1040 MPa)MinimumTensile Strength,Inch and Metric Dimensions1This standard is issued under the fixed designation F3125;the number immediately following the designa
2、tion indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers chemical,physi
3、cal and me-chanical requirements for quenched and tempered bolts manu-factured from steel and alloy steel,in inch and metricdimensions,in two strength grades,two types and two styles.1.1.1 This specification is a consolidation and replacementof six ASTM standards,including;A325,A325M,A490,A490M,F185
4、2 and F2280.1.1.2 This consolidated standard is to ensure alignmentbetween standards with the same intended end use and tosimplify the use and maintenance of structural bolt specifica-tions.1.2 Intended Use:1.2.1 Bolts manufactured under this specification are in-tended for use in structural connect
5、ions covered in the Speci-fication for Structural Joints Using High-Strength Bolts,asapproved by the Research Council on Structural Connections.1.2.2 Bolts in this specification are furnished in sizes from12to 1-12in.inclusive and from M12 to M36 inclusive.1.3 Classification:1.3.1 Bolts are designat
6、ed by grade or property class,whichindicates inch or metric respectively.1.3.2 Bolts are designated by type denoting raw materialchemical composition.1.3.3 Bolts are designated by style denoting Heavy Hexbolts or“Twist-Off”Style assemblies.GradeMin.StrengthTypeStyleA325120 ksi13Heavy Hex HeadA325M83
7、0 MPa13Heavy Hex HeadF1852120 ksi13Twist-OffA490150 ksi13Heavy Hex HeadA490M1040 MPa13Heavy Hex HeadF2280150 ksi13Twist-OffType 1-120 ksi(830 MPa)-carbon steel,carbon boron steel,alloy steel oralloy steel with boron additionType 3-120 ksi(830 MPa)or 150 ksi(1040 MPa)-weathering steelType 1-150 ksi(1
8、040 MPa)-alloy steel or alloy steel with boron addition1.4 Terms used in this specification are defined in F1789.1.5 UnitsThe values stated in either SI units or inch poundunits are to be regarded separately as standard.The valuesstated in each system may not be exact equivalents;therefore,each syst
9、em shall be used independently of the other.Combin-ing 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 testmethods portion of this specification:This standard do
10、es notpurport to address all of the safety concerns,if any,associatedwith its use.It is the responsibility of the user of this standardto establish appropriate safety and health practices anddetermine the applicability of regulatory limitations prior touse.2.Referenced Documents2.1 ASTM Standards:2A
11、194/A194M Specification for Carbon andAlloy Steel Nutsfor Bolts for High Pressure or High Temperature Service,or BothA354 Specification for Quenched and Tempered Alloy SteelBolts,Studs,and Other Externally Threaded FastenersA449 Specification for Hex Cap Screws,Bolts and Studs,Steel,Heat Treated,120
12、/105/90 ksi Minimum TensileStrength,General UseA563 Specification for Carbon and Alloy Steel NutsA563M Specification for Carbon andAlloy Steel Nuts(Met-ric)A751 Test Methods,Practices,and Terminology for Chemi-cal Analysis of Steel ProductsB695 Specification for Coatings of Zinc Mechanically De-posi
13、ted on Iron and SteelE709 Guide for Magnetic Particle Testing1This specification is under the jurisdiction of ASTM Committee F16 onFasteners and is the direct responsibility of Subcommittee F16.02 on Steel Bolts,Nuts,Rivets and Washers.Current edition approved Jan.1,2015.Published January 2015.DOI:1
14、0.1520/F312515.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,
15、PO Box C700,West Conshohocken,PA 19428-2959.United States1 F1136/F1136M Specification for Zinc/Aluminum CorrosionProtective Coatings for FastenersE1444/E1444M Practice for Magnetic Particle TestingF436 Specification for Hardened Steel WashersF436M Specification for Hardened Steel Washers(Metric)F606
16、/F606M Test Methods for Determining the MechanicalPropertiesofExternallyandInternally ThreadedFasteners,Washers,Direct Tension Indicators,and RivetsF788 Specification for Surface Discontinuities of Bolts,Screws,and Studs,Inch and Metric SeriesF1136/F1136M Specification for Zinc/Aluminum CorrosionProtective Coatings for FastenersF1470 Practice for Fastener Sampling for Specified Me-chanical Properties and Performance InspectionF1789 Terminology for F16 Mechanical FastenersF2328 Test Method for De
