1、Designation:F90101(Reapproved 2012)Standard Specification forAluminum Transmission Tower Bolts and Nuts1This standard is issued under the fixed designation F901;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year of last revisio
2、n.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers aluminum structural bolts andnuts for use in the construction of aluminum transmissiontowers,substations,and si
3、milar aluminum structures.1.2 Diameters of bolts and nuts furnished to this specifica-tion are58,34,and78in.1.3 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are no
4、t considered standard.2.Referenced Documents2.1 ASTM Standards:2B565 Test Method for Shear Testing of Aluminum andAluminum-Alloy Rivets and Cold-Heading Wire andRodsD3951 Practice for Commercial PackagingE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specificatio
5、nsE34 Test Methods for Chemical Analysis of Aluminum andAluminum-Base AlloysE55 Practice for Sampling Wrought Nonferrous Metals andAlloys for Determination of Chemical CompositionE101 Test Method for SpectrographicAnalysis ofAluminumand Aluminum Alloys by the Point-to-Plane Technique(Withdrawn 1996)
6、3E227 Test Method for Optical Emission SpectrometricAnalysis of Aluminum and Aluminum Alloys by thePoint-to-Plane Technique(Withdrawn 2002)3F606 Test Methods for Determining the Mechanical Proper-ties of Externally and Internally Threaded Fasteners,Washers,Direct Tension Indicators,and RivetsF1470 P
7、ractice for Fastener Sampling for Specified Me-chanical Properties and Performance Inspection2.2 ASME Standards:4B1.1 Unified Inch Screw Threads(UN and UNR ThreadForm)B18.2.1 Square and Hex Bolts and Screws(Inch Series)Addenda AB18.2.2 Square and Hex Nuts2.3 Military Standard:MIL-STD-A-8625Anodic Co
8、atings for Aluminum andAluminum Alloys53.Ordering Information3.1 Orders for bolts and nuts under this specification shallinclude the following:3.1.1 Quantity(number of pieces of each item and size);3.1.2 Name of item;3.1.3 Size(diameter,threads per inch,length);3.1.4 Alloy number;3.1.5 Shipment lot
9、testing,as required(see SupplementaryRequirements S1);3.1.6 Source inspection,if required(see Section 14);3.1.7 Certificate of compliance or test report,if required(see Section 16);3.1.8 Additional requirements,if any,to be specified on thepurchase order(see 4.2.1,4.2.3,8.2.1,8.2.2,9.2,12.1,and13.1)
10、;3.1.9 Supplementary requirements,if any;and3.1.10 ASTM specification and year of issue.NOTE1Example:10 000 pieces Aluminum Transmission Tower Bolt,0.750-10 by 2.00 in.,Alloy 2024-T4,Furnish Certificate of Compliance,Supplementary Requirement S2,ASTM F901XX.4.Materials and Manufacture4.1 MaterialsBo
11、lts shall be manufactured from Alloy2024 and nuts from Alloy 6061 or 6262.The materialschemical composition shall be capable of developing themechanical properties required by Table 1,when in the finishedcondition.1This specification is under the jurisdiction of ASTM Committee F16 onFasteners and is
12、 the direct responsibility of Subcommittee F16.04 on NonferrousFasteners.Current edition approved April 1,2012.Published May 2012.Originallyapproved in 1984.Last previous edition approved in 2007 as F901 01(2007).DOI:10.1520/F0901-01R12.2For referenced ASTM standards,visit the ASTM website,www.astm.
13、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.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from IHS,15 Inverness Way East,Eng
14、lewood,CO 80112,http:/.5Available from Standardization Documents Order Desk,DODSSP,Bldg.4,SectionD,700RobbinsAve.,Philadelphia,PA19111-5098,http:/dodssp.daps.dla.mil.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.2 Manufacture:4.2.1 Fo
15、rmingUnless otherwise specified,the bolts andnuts shall be cold formed,hot formed,or machined fromsuitable material at the option of the manufacturer.4.2.2 ConditionThe fasteners shall be furnished in thefollowing conditions:AlloyFastenerCondition2024-T4boltssolution treated and naturally aged6061-T
16、6nutssolution treated and artificially aged6262-T9nutssolution treated,artificially aged,andcold worked4.2.3 ThreadsUnless otherwise specified,the threads shallbe rolled or cut at the option of the manufacturer.5.Chemical Composition5.1 Chemical Composition LimitsThe bolts and nuts shallconform to the requirements as to chemical compositionprescribed in Table 2.5.2 Manufacturers AnalysisWhen test reports are re-quired on the inquiry or purchase order(see 3.1.7),themanufacturer shall furnish a ce