1、Designation:A48912Standard Specification forCarbon Steel Lifting Eyes1This standard is issued under the fixed designation A489;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicate
2、s the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1.Scope*1.1 This specification covers weldless forged,quenched,and tempered carbon steel threaded l
3、ifting eyes(formerlyeyebolts)for overhead lifting.NOTE1Lifting eyes carrying this specification number even thoughthey are liquid quenched and tempered may be processed from carbonsteel which,in the composition range permitted by this specification,could have a fracture appearance transition tempera
4、ture(50%shear)higher than operating temperatures.Therefore,in order to minimize thepossibility of a brittle cleavage failure,these lifting eyes should never beloaded above the proof load,and should not be used when surfacediscontinuities exist on the lifting eyes.1.2 The specification includes two t
5、ypes denoting shankpattern and one style denoting shank length(both defined inASME B 18.15)as follows:1.2.1 Type 1Plain pattern(straight shank).1.2.2 Type 2Shoulder pattern.1.2.3 Style BShort length.1.3 The values stated in inch-pound units are to be regardedas standard.No other units of measurement
6、 are included in thisstandard.1.4 Terms used in this specification are defined in Termi-nology F1789 unless otherwise defined herein.2.Referenced Documents2.1 ASTM Standards:2A370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA751 Test Methods,Practices,and Terminology for Chem
7、i-cal Analysis of Steel ProductsE112 Test Methods for Determining Average Grain SizeF606 Test Methods for Determining the Mechanical Proper-ties of Externally and Internally Threaded Fasteners,Washers,Direct Tension Indicators,and RivetsF1470 Practice for Fastener Sampling for Specified Me-chanical
8、Properties and Performance InspectionF1789 Terminology for F16 Mechanical Fasteners2.2 ASME Standards:3B 1.1 Unified Inch Screw ThreadsB 18.15Forged Lifting EyesB 18.24 Part Identifying Number(PIN)Code System Stan-dard for B18 Fastener Products3.Ordering Information3.1 Orders for lifting eyes under
9、this specification shouldinclude the following information:3.1.1 ASTM specification number and date of issue.3.1.2 Name of product,that is lifting eyes.3.1.3 Type and style(see 1.2,Type 1 Style B)will befurnished when a Type and Style is not specified.3.1.4 Drawing,if nonstandard lifting eyes are re
10、quired(see8.3).3.1.5 Number of pieces.3.1.6 Size,nominal thread diameter and threads.3.1.7 Certification,if required(see Section 14).3.1.8 Supplementary requirements,if required.3.1.9 Other special requirements.3.1.10 For establishment of a part identifying system,seeASME B18.24.4.Materials and Manu
11、facture4.1 Melting ProcessThe steel shall be made by the open-hearth,basic-oxygen,or electric-furnace process and shall bemade to a fine-grain practice.4.2 ForgingLifting eyes shall be forged without welds.4.3 Heat TreatmentThe lifting eyes shall be liquidquenched and tempered prior to machining the
12、 threaded end.4.4 MachiningThe lifting eyes shall be machined after thequench and temper operation.1This 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 A
13、pril 1,2012.Published April 2012.Originallyapproved in 1964.Last previous edition approved in 2004 as A489 041.DOI:10.1520/A0489-12.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume informatio
14、n,refer to the standards Document Summary page onthe ASTM website.3Available from American Society of Mechanical Engineers(ASME),ASMEInternational Headquarters,Three Park Ave.,New York,NY 10016-5990,http:/www.asme.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM In
15、ternational,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.5 ThreadsThe lifting eyes shall be threaded.Threadsmay be rolled,cut,or ground.5.Chemical Composition5.1 LimitsThe lifting eyes shall be manufactured fromsteels having a heat analysis conforming to the req
16、uirements inTable 1.5.2 Product Analysis:5.2.1 Analyses of finished lifting eyes may be made by thepurchaser or may be requested to be made by the manufacturer.The composition thus determined shall conform to the productanalysis requirements specified in Table 1.5.3 Chemical analyses shall be performed in accordancewith Test Methods,Practices,and Terminology A751.6.Mechanical Properties6.1 Proof LoadThe lifting eyes shall withstand the proofload specified in Table 2.6.1.1 The proof load shall be