1、Designation: F1852 11Standard Specification for“Twist Off” Type Tension Control Structural Bolt/Nut/WasherAssemblies, Steel, Heat Treated, 120/105 ksi MinimumTensile Strength1This standard is issued under the fixed designation F1852; the number immediately following the designation indicates the yea
2、r 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. Scope*1.1 This specification covers two types of heat treated, s
3、teel,tension control bolt-nut-washer assemblies, also referred to as“sets.” These assemblies are capable of developing a minimumpredetermined tension when installed by applying torque to thenut, while at the same time applying a counter torque toseparate the spline end from the body of the bolt usin
4、g anappropriate spline drive installation tool.1.2 An assembly consists of a tension control bolt withspline end (covered by this specification) and a suitable nut andwasher covered by reference to applicable ASTM specifica-tions.1.3 The fastener assemblies are intended for use in struc-tural connec
5、tions. These connections, installation procedures,and the use of alternate design structural bolts are coveredunder the requirements of the “Specification for StructuralJoints Using ASTM A325 or A490 Bolts,” approved by theResearch Council on Structural Connection.1.4 The assemblies are available wi
6、th either round (buttonor dome) heads, heavy hex structural heads, or alternate designheads described in Section 10 and Fig. 1, in sizes12 to 118 in.inclusive, in two types specified in Section 4.1.5 Terms used in this specification are defined in Termi-nology F1789 unless otherwise defined herein.1
7、.6 The values stated in inch-pound units are to be regardedas standard. No other units of measurement are included in thisstandard.1.7 The following precautionary statement pertains only tothe test method portions, Sections 13 and 14, of this Specifi-cation: This standard does not purport to address
8、 all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2A194/A194M Specif
9、ication for Carbon and Alloy SteelNuts for Bolts for High Pressure or High TemperatureService, or BothA242/A242M Specification for High-Strength Low-AlloyStructural SteelA325 Specification for Structural Bolts, Steel, Heat Treated,120/105 ksi Minimum Tensile StrengthA563 Specification for Carbon and
10、 Alloy Steel NutsA588/A588M Specification for High-Strength Low-AlloyStructural Steel, up to 50 ksi 345 MPa Minimum YieldPoint, with Atmospheric Corrosion ResistanceA709/A709M Specification for Structural Steel for BridgesA751 Test Methods, Practices, and Terminology for Chemi-cal Analysis of Steel
11、ProductsA871/A871M Specification for High-Strength Low-AlloyStructural Steel Plate With Atmospheric Corrosion Resis-tanceB695 Specification for Coatings of Zinc Mechanically De-posited on Iron and SteelD3951 Practice for Commercial PackagingF436 Specification for Hardened Steel WashersF606 Test Meth
12、ods for Determining the Mechanical Prop-erties of Externally and Internally Threaded Fasteners,Washers, Direct Tension Indicators, and RivetsF788/F788M Specification for Surface Discontinuities ofBolts, Screws, and Studs, Inch and Metric SeriesF1470 Practice for Fastener Sampling for Specified Me-ch
13、anical Properties and Performance InspectionF1789 Terminology for F16 Mechanical FastenersG101 Guide for Estimating the Atmospheric CorrosionResistance of Low-Alloy Steels2.2 ANSI/ASME Standards:31This specification is under the jurisdiction of ASTM Committee F16 onFasteners and is the direct respon
14、sibility of Subcommittee F16.02 on Steel Bolts,Nuts, Rivets and Washers.Current edition approved Nov. 1, 2011. Published November 2011. Originallyapproved in 1998. Last previous approved in 2008 as F185208. DOI: 10.1520/F1852-11.2For referenced ASTM standards, visit the ASTM website, www.astm.org, o
15、rcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.1*A S
16、ummary 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.ASME B1.1 Unified Screw ThreadsANSI B18.2.1 Square and Hex Bolts and ScrewsANSI B18.18.3M Inspection and Quality Assurance f
17、orSpecial Purpose Fasteners2.3 Research Council on Structural Connections4Specification for Structural Joints Using ASTM A325 orA490 Bolts3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 assembly lotassembly lot for purposes of assigningidentification numbers and from which tes
18、t samples shall beselected, shall consist of one combination of component lots.That is, one tension control bolt component lot, one nutcomponent lot, and one washer component lot which areshipped as an assembly.3.1.2 component lotcomponent lot, for the purpose ofassigning an identification number an
19、d from which testsamples shall be selected, shall consist of all tension controlbolts, all nuts or all washers processed essentially togetherthrough all operations to the shipping container, of which eachcomponent has the following common characteristics: heatnumber (mill heat); ASTM designation and
20、 grade or type, asapplicable; nominal dimensions (size) and head style; heattreatment lot; and coating lot, if applicable.3.1.3 secondary processingany processing performed byany entity on the assemblies or individual components afterinitial testing.3.1.4 tension control boltbolt that includes an in
21、tegralspline end which extends beyond the threaded portion of thebolt. The fastener is to be tightened using a special electric4Available from American Institute of Steel Construction (AISC), One E.Wacker Dr., Suite 700, Chicago, IL 60601-2001, http:/www.aisc.org.NOTE 1ANSI/ASME Subcommittee B 18.2.
22、1 is currently preparing an American Standard to cover dimensional requirements for this product. Uponpublication, these dimensions will be replaced with a reference to the American Standard for the dimensional requirements.FIG. 1 Head and Spline Dimensions InchesF1852 112wrench and socket system wh
23、ich has an inner socket thatengages the spline end and with an outer socket that engagesand turns the nut.3.1.5 tension control bolt assemblytension control bolt,nut and washer combination.4. Classification4.1 The tension control bolts are designed by type denotingchemical composition as follows:4.1
24、.1 Type 1Plain carbon, carbon boron, or alloy steel.4.1.2 Type 3Weathering steel. Atmospheric corrosion re-sistance and weathering characteristics are comparable to thatof steels in Specifications A242/A242M, A588/A588M, A709/A709M, A871/A871M, (see 7.1.2).5. Ordering Information5.1 Orders for assem
25、blies shall include the items of infor-mation below. Optional items not on the purchase order shallbe considered as not being required, (see Note 1):5.1.1 Quantity of assemblies5.1.2 Size, include nominal tension control bolt diameterand length (without the spline end)5.1.3 Name of product, that is,
26、 twist off type tension controlbolt/nut/washer assemblies,5.1.4 Head Style (see 10.1.1),5.1.5 Type of Assembly, that is; Type 1 or Type 35.1.6 ASTM designation and year of publication,5.1.7 Mechanically zinc coated, if required, and5.1.8 Special requirements, if requiredNOTE 1A typical order descrip
27、tion follows: 2520 assemblies,34 in.diameter by 2 in. long Tension Control Bolt/Nut/Washer Assemblies,Round Heads, Type 1 ASTM F1852.6. Materials and Manufacture6.1 Heat Treatment:6.1.1 Tension control bolts made from carbon or carbonboron steel shall be heat treated by quenching in a liquidmedium f
28、rom above the austenitizing temperature and thentempering by reheating to a temperature of at least 800F(425C).6.1.2 Tension control bolts made from alloy steel shall beheat treated by quenching in oil from above the austenitizingtemperature and then tempering by reheating to a temperatureof at leas
29、t 800F (425C).6.2 ThreadThe threads of tension control bolts shall berolled.6.3 Mechanical Zinc Coating:6.3.1 When zinc coating is specified, each component of theassembly shall be mechanically zinc coated. The coating shallconform to Specification B695, Class 55 Type 1 as a minimumthickness.6.3.2 H
30、ot dip zinc coating shall not be permitted.6.4 Lubrication All nuts, plain and zinc coated, shall belubricated. The lubricant shall be clean and dry to the touch.NOTE 2No further lubrication shall be permitted other than thatapplied by the manufacturer, as the type and amount of lubrication iscritic
31、al to performance.6.5 Secondary Processing:6.5.1 If heat treatment, zinc coating, lubrication or otherprocessing affecting properties are performed by any source onany unit of a component lot after the manufacturers test toqualify a lot has been performed, the component lot shall betreated as newly
32、manufactured and shall be reinspected andretested in accordance with the requirements of its originalmanufacturing specification after such processing is com-pleted. Retesting shall be the responsibility of the partysupplying the component.6.5.2 Secondary processing shall not be permitted to anassem
33、bly lot.6.6 Assembly:6.6.1 The assemblies shall be of the type specified by thepurchaser.6.6.2 The assemblies shall consist of one tension controlbolt, with one lubricated nut and one or more washer(s).6.6.3 Nuts and washers used on the assemblies shall con-form to the requirements of the specificat
34、ions below:Assembly Type Nut Specification, Washer Specification,and Finish Class and Finish Type and FinishType 1 A563 DH Plain F436 Type 1PlainAA563 C Plain PlainType 1 A563 DH F436Type 1Mechanical ZincCoatedMechanical Zinc Coated Mechanical Zinc CoatedType 3 A563 DH3 Plain F436Type 3 PlainPlain A
35、563 C3 PlanAASTM A194/A194M-2H plain nuts are a suitable alternative for Type 1 plainnuts.6.6.4 All nuts shall be Heavy Hex. All washers used in theassembly shall be circular and through hardened.7. Chemical Composition7.1 Tension Control Bolts:7.1.1 Type 1 tension control bolts shall be plain carbo
36、nsteel, carbon boron steel, or alloy steel, at the manufacturersoption, and shall conform to one of the chemical compositionsspecified in Table 1.7.1.2 Type 3 tension control bolts shall be weathering steeland shall conform to one of the chemical compositions,specified in Table 2. The selection of t
37、he chemical compositionA, B, C, D, E, or F, shall be at the option of the manufacturer.See Guide G101 for method of estimating the atmosphericcorrosion resistance of low alloy steels.7.1.3 Product analysis, when performed, shall be made fromfinished material representing each lot. To meet the specif
38、ica-tion, the chemical composition thus determined shall conformto the requirements specified in Table 1 or Table 2 asapplicable.7.1.4 Heats of steel to which bismuth, selenium, tellurium,or lead has been intentionally added shall not be permitted.7.1.5 For Type 1 bolts made from plain carbon steel
39、or alloysteel, heats of steel which boron has been intentionally addedshall not be permitted.7.1.6 Compliance with 7.1.4 and 7.1.5 shall be based oncertification that heats of steel having any of the listed elementsintentionally added were not used to produce the bolts.F1852 1137.1.7 Chemical analys
40、is shall be performed in accordancewith Test Methods, Practices, and Terminology A751.7.2 Nuts and Washers Chemical requirements for nutsand washers shall be in accordance with the applicablespecification specified in 6.6.3.8. Mechanical Property Requirements for TensionControl Bolts8.1 Hardness: Th
41、e bolts shall conform to the hardnessspecified in Table 3.8.2 Tensile Properties:8.2.1 Bolts having a nominal length of three times thediameter or longer (see 8.2.3) shall be tested full size and shallconform to the tensile strength and proof load or alternativeproof load specified in Table 4.8.2.2
42、Bolts having a nominal length less than three times thediameter are not subject to tensile tests, except as permitted in8.2.3.8.2.3 Bolts having a nominal length of two times thediameter or longer shall be permitted to be tested full size fortensile properties whenever suitable test equipment is ava
43、il-able. In such cases reference to“ three times the diameter” inTable 3 and 8.2.1 shall be considered to be “two times thediameter.”8.2.4 For bolts on which hardness and tension tests areperformed, acceptance based on tensile requirements shall takeprecedence in the event of controversy over low ha
44、rdness tests.8.3 Nuts and Washers Mechanical properties for nuts andwashers shall be in accordance with the applicable specifica-tion in 6.6.3.9. Assembly Lot Tension Test9.1 PurposeThe assembly lot tension test shall be per-formed on fastener assemblies to determine the ability of theassembly to pr
45、ovide the required minimum tension.9.2 Requirement Full size completed assemblies tested inaccordance with 14.4 shall develop a bolt tension when thespline end is separated from the bolt conforming to therequirements in Table 5, Column 1.10. Dimensions10.1 Tension Control Bolts:10.1.1 Tension contro
46、l bolts shall be furnished with eitherround (button or dome), heavy hex structural or alternatedesign heads; as specified by the purchaser.10.1.2 The tension control bolts shall have a body conform-ing to the dimensions for heavy hex structural bolts specified inANSI B18.2.1 and a spline end conform
47、ing to the dimensionsin Fig. 1.10.1.3 Head designs as specified in 10.1.1 shall have abearing surface area and head height equal to or larger thanrequired for heavy hex structural bolts in ANSI B18.2.1.10.1.4 Round heads shall conform to the dimensions inFig. 1.10.1.5 The thread length shall be as s
48、pecified inANSI B18.2.1 for heavy hex structural bolts.10.2 Nuts and Washers The dimensions for nuts andwashers shall be in accordance with the applicable specifica-tion specified in 6.6.3.10.3 Threads:10.3.1 Threads on tension control bolts shall be the UnifiedCoarse Thread Series as specified in A
49、SME B1.1, and shallhave Class 2A tolerances.10.3.2 Unless otherwise specified, zinc coated tension con-trol bolts to be used with nuts which have been tapped oversizein accordance with Specification A563, shall have Class 2Athreads before mechanically deposited zinc coating.10.3.3 The gaging limit for bolts shall be verified duringmanufacture. In case of purchaser/supplier controversy overthread compliance, System 21 of ANSI B18.18.3M shall beused for referee purposes.11. Workmanship, Finish, and Appearance11.1 Surface discontinuity limits for tension c
