1、Designation: F468 16Standard Specification forNonferrous Bolts, Hex Cap Screws, Socket Head CapScrews, and Studs for General Use1This standard is issued under the fixed designation F468; the number immediately following the designation indicates the year of originaladoption or, in the case of revisi
2、on, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S. Department of Defense.1. Scope*1.1 This specification
3、covers the requirements for commer-cial wrought nonferrous bolts, hex cap screws, and studs 0.250to 1.500 in. and socket head cap screws (including socket headcap, button head and flat countersunk head configurations) withnominal thread 0.06 (size 0) through 1.500 in. inclusive indiameter manufactur
4、ed from a number of alloys in commonuse and intended for general service applications.1.2 Applicable nuts for use with bolts, cap screws, and studscovered by this specification are covered by SpecificationF467.1.2.1 The values stated in inch-pound units are to beregarded as standard. No other units
5、of measurement areincluded in this standard.NOTE 1A complete metric companion to Specification F468 has beendevelopedF468M; therefore no metric equivalents are presented in thisspecification.2. Referenced Documents2.1 ASTM Standards:2B154 Test Method for Mercurous Nitrate Test for CopperAlloysB193 T
6、est Method for Resistivity of Electrical ConductorMaterialsB211 Specification for Aluminum and Aluminum-AlloyRolled or Cold Finished Bar, Rod, and WireB565 Test Method for Shear Testing of Aluminum andAluminum-Alloy Rivets and Cold-Heading Wire andRodsB574 Specification for Low-Carbon Nickel-Chromiu
7、m-Molybdenum, Low-Carbon Nickel-Molybdenum-Chromium, Low-Carbon Nickel-Molybdenum-Chromium-Tantalum, Low-Carbon Nickel-Chromium-Molybdenum-Copper, and Low-Carbon Nickel-Chromium-Molybdenum-Tungsten Alloy RodD3951 Practice for Commercial PackagingE8/E8M Test Methods for Tension Testing of Metallic Ma
8、-terialsE18 Test Methods for Rockwell Hardness of Metallic Ma-terialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE34 Test Methods for Chemical Analysis of Aluminum andAluminum-Base AlloysE38 Methods for Chemical Analysis of Nickel-Chromiumand Nic
9、kel-Chromium-Iron Alloys (Withdrawn 1989)3E53 Test Method for Determination of Copper in UnalloyedCopper by GravimetryE54 Test Methods for Chemical Analysis of Special Brassesand Bronzes (Withdrawn 2002)3E55 Practice for Sampling Wrought Nonferrous Metals andAlloys for Determination of Chemical Comp
10、ositionE62 Test Methods for Chemical Analysis of Copper andCopperAlloys (Photometric Methods) (Withdrawn 2010)3E75 Test Methods for Chemical Analysis of Copper-Nickeland Copper-Nickel-Zinc Alloys (Withdrawn 2010)3E76 Test Methods for Chemical Analysis of Nickel-CopperAlloys (Withdrawn 2003)3E92 Test
11、 Methods for Vickers Hardness and Knoop Hard-ness of Metallic MaterialsE101 Test Method for SpectrographicAnalysis ofAluminumand Aluminum Alloys by the Point-to-Plane Technique(Withdrawn 1996)3E120 Test Methods for Chemical Analysis of Titanium andTitanium Alloys (Withdrawn 2003)3E165/E165M Practice
12、 for Liquid Penetrant Examination forGeneral IndustryE227 Test Method for Optical Emission SpectrometricAnalysis of Aluminum and Aluminum Alloys by the1This specification is under the jurisdiction of ASTM Committee F16 onFasteners and is the direct responsibility of Subcommittee F16.04 on Nonferrous
13、Fasteners.Current edition approved Aug. 1, 2016. Published October 2016. Originallyapproved in 1976. Last previous edition approved in 2015 as F468151. DOI:10.1520/F0468-16.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For A
14、nnual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr
15、Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1Point-to-Plane Technique (Withdrawn 2002)3E354 Test Methods for Chemical Analysis of High-Temperature, Electrical, Magnetic, and Other Similar Iron,Nickel, and Cobalt AlloysE478 Test Methods for Chemical Analysis of Copper Al
16、loysE1409 Test Method for Determination of Oxygen and Nitro-gen in Titanium and Titanium Alloys by Inert Gas FusionF467 Specification for Nonferrous Nuts for General UseF606/F606M Test Methods for Determining the MechanicalProperties of Externally and Internally ThreadedFasteners, Washers, Direct Te
17、nsion Indicators, and RivetsF788 Specification for Surface Discontinuities of Bolts,Screws, and Studs, Inch and Metric SeriesF1470 Practice for Fastener Sampling for Specified Me-chanical Properties and Performance Inspection2.2 ASME Standards:4ASME B1.1 Unified Inch Screw Threads (UN and UNRThread
18、Form)ASME B1.3 Screw Thread Gaging System for DimensionalAcceptability Inch Screw Threads (IN, UNR, and UNJ)ASME B18.2.1 Square and Hex Bolts and Screws, IncludingHex Cap ScrewsASME B18.3 Socket Head Cap, Shoulder, and Set Screws Inch SeriesASME H35.1 Alloy and Temper Designation Systems forAluminum
19、2.3 Federal Specifications:5QQ-N-286 Nickel-Copper-Aluminum Alloy, Wrought (UNSN05500)3. Ordering Information3.1 Orders for fasteners under this specification shall in-clude the following information:3.1.1 Quantity (number of pieces of each item and size),3.1.2 Name of item. For silicon bronze alloy
20、 651, state ifhex cap screw dimensions or roll thread body diameter arerequired (see 7.1.2);3.1.3 Size (nominal diameter, threads per inch, thread pitch,thread class, and length);3.1.4 Alloy number (Table 1). ForTi5, state ClassAor ClassB(Table 1, 6.5, and 6.5.1);3.1.5 Stress relieving, if required
21、(see 4.2.3);3.1.6 Source inspection, if required (see Section 13);3.1.7 Certificate of compliance, conformance, or testreports, if required (see Section 15);3.1.8 Additional requirements, if any, to be specified on thepurchase order (see 4.2.1, 4.2.4, 7.3.1, 8.2, 10.1, and 11.1);3.1.9 Supplementary
22、Requirements, if any; and3.1.10 ASTM designation and date of issue.NOTE 2Example10 000 pieces, Hex Cap Screw, 0.250 in.-20 3.00 in., Alloy 270.Furnish Certificate of Compliance, Supplementary Requirement S1,ASTM F 468-XX.4. Materials and Manufacture4.1 Materials:4.1.1 The bolts, cap screws, socket h
23、ead cap screws andstuds shall be manufactured from material having a chemicalcomposition conforming to the requirements in Table 1, exceptas provided in Supplementary Requirement S5, and capable ofdeveloping the required mechanical properties for the specifiedalloy in the finished fastener. See Spec
24、ification B574 for nickelalloys.4.1.2 The starting condition of the raw material shall be atthe discretion of the fastener manufacturer except as providedin Supplementary Requirement S5, but shall be such that thefinished products conform to all of the specified requirements.4.2 Manufacture:4.2.1 Fo
25、rmingUnless otherwise specified, the fastenersshall be cold formed, hot formed, or machined from suitablematerial, at the option of the manufacturer.4.2.2 ConditionExcept as provided in 4.2.3 and Supple-mentary Requirement S5, the fasteners shall be furnished in thefollowing conditions:Alloy Conditi
26、onCopper (all alloys) As formed or stress relieved at manufacturersoptionNickel alloys:400 and 405 As formed or stress relieved at manufacturersoption500 Solution annealed and aged625 AnnealedAluminum alloys:2024-T4 Solution treated and naturally aged6061-T6 Solution treated and artificiallyaged7075
27、-T73 Solution treated and stabilizedTitanium As formed4.2.3 Stress RelievingWhen required, stress relieving shallbe specified by the purchaser for nickel alloys 400 and 405 andall copper alloys.4.2.4 ThreadsUnless otherwise specified, the threads shallbe rolled or cut at the option of the manufactur
28、er.4.2.4.1 Bolts, cap screws and studs shall be rolled or cut atthe option of the manufacturer.4.2.4.2 Socket head cap screws and flat countersunk headcap screws in sizes up to 1.00 in. inclusive and product lengthsup to 6.00 in. inclusive shall have threads formed by rolling,except by special arran
29、gement with the purchaser. Largerproducts may be rolled or cut at the option of the manufacturer.4.2.4.3 Button head cap screws shall have threads formedby rolling.5. Chemical Composition5.1 Chemical CompositionThe fasteners shall conform tothe requirements as to chemical composition prescribed inTa
30、ble 1 for the specified alloy, except as provided in Supple-mentary Requirement S5 when specified by the purchaser.5.2 Product Analysis:5.2.1 Product analyses may be made by the purchaser fromfinished products representing each lot. The chemical compo-sition thus determined shall conform to the requ
31、irements inTable 1.4Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Two Park Ave., New York, NY 10016-5990, http:/www.asme.org.5DLA Document Services Building 4/D 700 Robbins Avenue Philadelphia, PA19111-5094 http:/quicksearch.dla.mil/F468 162TABLE1Che
32、micalRequirementsComposition,%UNSDesigna-tionNumberCopperandCopper-BaseAlloysAlloyGeneralNameAluminumCopper,minIron, maxManganese,maxNickel,maxPhosphorusSiliconZinc, maxALead,maxTinArsenic,maxC11000110ETPcopper.99.9.C26000260brass.68.571.50.05.balance0.07.C27000270brass.63.068.50.07.balance0.10.C462
33、00462navalbrass.62.065.00.10.balance0.200.51.0.C46400464navalbrass.59.062.00.10.balance0.200.51.0.C51000510phosphorbronze.balanceA0.10.0.030.35.0.300.054.25.8.C61300613aluminumbronze6.07.5B2.03.00.100.15C0.0150.100.050.010.200.50.C61400614aluminumbronze6.08.088.0D1.53.51.0.C63000630aluminumbronze9.0
34、11.078.0D2.04.01.54.05.5.0.25max.0.20max.C64200642aluminumsiliconbronze6.37.688.65D0.300.100.25.1.52.2E0.500.050.20max0.15C65100651siliconbronze.96.0D0.80.7.0.82.01.50.05.C65500655siliconbronze.94.8D0.81.50.6.2.83.81.50.05.C66100661siliconbronze0.25max94.0D0.251.5.2.83.51.50.200.8.C67500675manganese
35、bronze.57.060.00.82.00.050.5.balance0.200.51.5.C71000710cupro-nickel.74.0D0.601.0019.023.0C.1.000.05.C71500715cupro-nickel.65.0D0.400.71.0029.033.0C.1.000.05.AElementsshownasbalanceshallbearithmeticallycomputedbydeductingthesumoftheothernamedelementsfrom100.BCopperplusspecifiedelements=99.8min;coppe
36、rplussilver=88.591.5.CCobaltistobecountedasnickel.DMinimumcontentofcopperplusallotherelementswithspecifiedlimitsshallbe99.5%.EAnalloycontainingashighas2.6%siliconisacceptableprovidedthesumofalltheelementsotherthancopper,silicon,andirondoesnotexceed0.30%.F468 163TABLE1ContinuedNickelandNickel-BaseAll
37、oysUNSDesignationNumberAlloyGeneralNameAlu-mi-numCarbon,maxChrom-iumCopperAIron, maxManga-nese,maxNickelAPhosph-orus,maxSilicon,maxTitan- iumCobalt,maxMoly-bdenumSulfur,maxVana-diumTung-stenNiobiumN10001335Ni-Mo.0.051.0max.4.0 6.01.0balance0.0251.00.2.5026.0 30.00.0300.2 0.4.N10276276Ni-Mo-Cr.0.0214
38、.5 16.5.4.0 7.01.00balance0.0400.08.2.5015.0 17.00.0300.35max3.0 4.5.N04400400Ni-CuClassA.0.3.balance2.52.063.0 70.0.0.5.B.0.024.N04405405Ni-CuClassB.0.3.balance2.52.063.0 70.0.0.5.B.0.025 0.060.N05500500Ni-Cu-Al2.30 3.150.25.balance2.01.563.0 70.0.0.50.350.85B.0.01.N0605959Ni-Cr-Mo0.10.40.010 max22
39、.0 24.00.5max1.5 max0.5 maxbalance0.015 max0.10 max0.3max15.0 16.50.010 max.N06625625CNi-Cr-Mo-Cb0.40 max0.1020.0 23.0.5.0max0.5058.0 min0.0150.50 max0.40 max1.00 max8.0 10.00.015.3.2 4.2N06686686Ni-Cr-Mo-W.0.010 max19.0 23.0.5.0max0.75 maxbalance0.04 max0.08 max0.02 0.2515.0 17.00.02 max.3.0 4.4.AE
40、lementsshownasbalanceshallbearithmeticallycomputedbydeductingthesumoftheothernamedelementsfrom100.BCobaltistobecountedasnickel.CAlloy625materialshallberefinedusingtheelectroslagremeltingprocess(ESR),orthevacuumarcremeltingprocess(VAR).F468 164TABLE1ContinuedComposition,%Aluminum-BaseAlloysAUNSDesig-
41、nationNumberAlloyGeneralNameAlumi-numBChrom-iumCopperIron,maxManga-nese,maxSilicon,maxTitan-ium, maxZinc,maxMagne-siumOtherElements,maxEachTotalA920242024Aluminum 2024balance0.10max3.84.90.500.300.90.500.15C0.251.21.80.050.15A960616061Aluminum 6061balance0.040.350.150.400.70.150.400.80.150.250.81.20
42、.050.15A970757075Aluminum 7075balance0.180.351.22.00.500.300.400.20D5.16.12.12.90.050.15AAnalysisshallregularlybemadeonlyfortheelementsspecifiedinthistable.If,however,thepresenceofotherelementsissuspectedorindicatedinamountsgreaterthanthespecifiedlimits,furtheranalysisshallbemadetodeterminethatthese
43、elementsarenotpresentinexcessofthespecifiedlimits.BElementsshownasbalanceshallbearithmeticallycomputedbydeductingthesumoftheothernamedelementsfrom100.CTitanium+zirconium0.20%,max.DTitanium+zirconium0.25%,max.F468 165TABLE1ContinuedTitaniumandTitanium-BaseAlloysAUNSDes-ignation NumberAlloyGeneralName
44、Aluminum,AlCarb-on,CIron,FeTitan-ium,TiHydrogen,HNitro-gen,NOxy- gen,OPalla- dium,PdVana-dium,VChrom-ium,CrMoly-bdenum,MoZirco- nium,ZrTin,SnSilicon,SiRuth-enium,RuResidualsBeach,maxtotal,maxR502501TitaniumGr1.0.100.20balance0.01250.050.18.0.10.4R504002TitaniumGr2.0.100.30balance0.01250.050.25.0.10.
45、4R507004TitaniumGr4.0.100.50balance0.01250.070.40.0.10.4R564005CTitaniumGr5C5.5 6.750.100.40balance0.01250.050.20.3.54.5.0.10.4R5640123TitaniumTi-6Al-4VELI5.56.50.080.25balance0.01250.050.133.54.5.0.10.4R524007TitaniumGr70.100.30balance0.01250.050.250.120.25.0.10.4R5864019TitaniumTi-38-6-443.04.00.0
46、50.30balance0.02000.030.120.10D7.58.55.56.53.54.53.54.50.10D0.150.4R5511132TitaniumTi-5-1-1-14.55.50.080.25balance0.01250.030.11.0.61.4.0.61.20.61.40.61.40.060.14.0.10.4AAllreportedvaluesaremaximums,unlessarangeisspecified.BAresidualisanelementpresentinametaloranalloyinsmallquantitiesinherenttothema
47、nufacturingprocessbutnotaddedintentionally.Residualelementsneednotbereportedunlessareportisspecificallyrequiredbythepurchaser.CIdenticalchemicalrequirementsapplytobothClassAandBasdefinedinTable2and6.5.DRutheniumandpalladium,orboth,maybeaddedtoGrade19forenhancedcorrosionresistanceasnegotiatedbetweenp
48、urchaserandvendor.Chemicalanalysisisnotrequiredunlessspecificallyrequiredbythepurchaser.F468 1665.2.2 In the event of disagreement, a referee chemicalanalysis of samples from each lot shall be made in accordancewith 10.1 and 11.1.6. Mechanical Properties6.1 The fasteners shall be tested in accordance with themechanical testing requirements for the applicable type, lengthof product, and minimum tensile strength and shall meet themechanical properties in
