1、Designation: F 1852 08Standard 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 F 1852; the number immediately following the designation indicates the y
2、ear 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,
3、 steel,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 us
4、ing 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 conn
5、ections. These connections, installation procedures,and the use of alternate design structural bolts are coveredunder the requirements of the “Specification for StructuralJoints Using ASTM A 325 or A 490 Bolts,” approved by theResearch Council on Structural Connection.1.4 The assemblies are availabl
6、e with 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 F 1789 unless otherwise defined her
7、ein.1.6 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 ad
8、dress 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:2A 194/A 194M
9、 Specification for Carbon and Alloy SteelNuts for Bolts for High Pressure or High TemperatureService, or BothA 242/A 242M Specification for High-Strength Low-AlloyStructural SteelA 325 Specification for Structural Bolts, Steel, HeatTreated, 120/105 ksi Minimum Tensile StrengthA 563 Specification for
10、 Carbon and Alloy Steel NutsA 588/A 588M Specification for High-Strength Low-AlloyStructural Steel, up to 50 ksi 345 MPa Minimum YieldPoint, with Atmospheric Corrosion ResistanceA 709/A 709M Specification for Structural Steel forBridgesA 751 Test Methods, Practices, and Terminology forChemical Analy
11、sis of Steel ProductsA 871/A 871M Specification for High-Strength Low-AlloyStructural Steel Plate With Atmospheric Corrosion Resis-tanceB 695 Specification for Coatings of Zinc MechanicallyDeposited on Iron and SteelD 3951 Practice for Commercial PackagingF 436 Specification for Hardened Steel Washe
12、rsF 606 Test Methods for Determining the Mechanical Prop-erties of Externally and Internally Threaded Fasteners,Washers, Direct Tension Indicators, and RivetsF 788/F 788M Specification for Surface Discontinuities ofBolts, Screws, and Studs, Inch and Metric SeriesF 1470 Practice for Fastener Sampling
13、 for Specified Me-chanical Properties and Performance InspectionF 1789 Terminology for F16 Mechanical FastenersG 101 Guide for Estimating the Atmospheric CorrosionResistance of Low-Alloy Steels2.2 ANSI/ASME Standards:3ASME B1.1 Unified Screw Threads1This specification is under the jurisdiction of AS
14、TM Committee F16 onFasteners and is the direct responsibility of Subcommittee F16.02 on Steel Bolts,Nuts, Rivets and Washers.Current edition approved Dec. 1, 2008. Published January 2009. Originallyapproved in 1998. Last previous approved in 2007 as F 185207.2For referenced ASTM standards, visit the
15、 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.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 B
16、arr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.ANSI B18.2.1 Square and Hex Bolts and ScrewsANSI B18.18.3M Inspection and Quality Assurance forSpecial Purpose Fasteners2.3 Research Council on Structural Connections4Specification for Structural Joints Using ASTM A 325 o
17、rA 490 Bolts3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 assembly lotassembly lot for purposes of assigningidentification numbers and from which test samples shall beselected, shall consist of one combination of component lots.That is, one tension control bolt component lot
18、, 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 and from which testsamples shall be selected, shall consist of all tension controlbolts, all nuts or all washers processed essen
19、tially togetherthrough all operations to the shipping container, of which eachcomponent has the following common characteristics: heatnumber (mill heat); ASTM designation and grade or type, asapplicable; nominal dimensions (size) and head style; heattreatment lot; and coating lot, if applicable.3.1.
20、3 secondary processingany processing performed byany entity on the assemblies or individual components afterinitial testing.3.1.4 tension control boltbolt that includes an integralspline end which extends beyond the threaded portion of the3Available from American National Standards Institute (ANSI),
21、 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.4Available 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 18.2.1 is currently preparing an American Standard to cover dimens
22、ional 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 InchesF1852082bolt. The fastener is to be tightened using a special electricwrench 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 A 242/A 242M, A 588/A 588M,A 709/A 709M, A 871/A 871M, (see 7.1.2).5. Ordering Information5.1 Orders fo
25、r assemblies 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, t
26、hat is, 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
27、description follows: 2520 assemblies,34 in.diameter by 2 in. long Tension Control Bolt/Nut/Washer Assemblies,Round Heads, Type 1 ASTM F 1852.6. 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 liquid
28、medium from 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
29、 at least 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 B 695, Class 55 Type 1 as a minimumthicknes
30、s.6.3.2 Hot 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
31、 iscritical 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
32、as newly 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 t
33、o anassembly 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 s
34、pecifications below:Assembly Type Nut Specification, Washer Specification,and Finish Class and Finish Type and FinishType 1 A 563 DH Plain F 436 Type 1PlainAA 563 C Plain PlainType 1 A 563 DH F 436Type 1Mechanical ZincCoatedMechanical Zinc Coated Mechanical Zinc CoatedType 3 A 563 DH3 Plain F 436Typ
35、e 3 PlainPlain A 563 C3 PlanAASTM A 194-2H plain nuts are a suitable alternative for Type 1 plain nuts.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 b
36、e plain carbonsteel, 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 s
37、election of the chemical compositionA, B, C, D, E, or F, shall be at the option of the manufacturer.See Guide G 101 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 m
38、eet the specifica-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
39、 carbon steel or alloysteel, heats of steel which boron has been intentionally addedshall not be permitted.F18520837.1.6 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.7.1.7 Ch
40、emical analysis shall be performed in accordancewith Test Methods, Practices, and Terminology A 751.7.2 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.
41、1 Hardness: The bolts shall conform to the hardnessspecified in Table 3.8.2 Tensile Properties:8.2.1 Bolts having a length of three times the diameter orlonger (see 8.2.3) shall be tested full size and shall conform tothe tensile strength and proof load or alternative proof loadspecified in Table 4.
42、8.2.2 Bolts having a length less than three times the diam-eter are not subject to tensile tests, except as permitted in 8.2.3.8.2.3 Bolts having a length of two times the diameter orlonger shall be permitted to be tested full size for tensileproperties whenever suitable test equipment is available.
43、 Insuch cases reference to“ three times the diameter” in Table 3,8.2.1, and 8.2.2 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 har
44、dness 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 pro
45、vide 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 control
46、 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 conformi
47、ng 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 sp
48、ecified in AN-SI 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
49、ASME 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 A 563, 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
