1、Designation:A952/A952M02(Reapproved 2016)Standard Specification forForged Grade 80 and Grade 100 Steel Lifting Componentsand Welded Attachment Links1This standard is issued under the fixed designation A952/A952M;the number immediately following the designation indicates the yearof original adoption
2、or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers the requirements for forgedalloy steel lifting components
3、 and welded coupling and masterlinks for Grade 80 and Grade 100 alloy chain slings asdescribed in Specification A906/A906M.1.2 Two grades of components and welded links are cov-ered:1.2.1 Grade 80.1.2.2 Grade 100.1.3 This specification is a performance standard.Otherstandards apply to use of these p
4、roducts.Some of thesestandards are:OSHA 1910.184,ASME B30.9,and ASMEB30.10.1.4 The values stated in either inch-pound or SI units are tobe regarded separately as standard.Within the text,the SI unitsare shown in brackets.The values stated in each system are notexact equivalents;therefore,each system
5、 shall be used inde-pendently of the other.Combining values from the two systemsmay result in nonconformance with the specification.2.Referenced Documents2.1 ASTM Standards:2A29/A29M Specification for General Requirements for SteelBars,Carbon and Alloy,Hot-WroughtA391/A391M Specification for Grade 8
6、0 Alloy Steel ChainA751 Test Methods,Practices,and Terminology for Chemi-cal Analysis of Steel ProductsA906/A906M Specification for Grade 80 and Grade 100Alloy Steel Chain Slings for Overhead LiftingA973/A973M Specification for Grade 100Alloy Steel ChainE4 Practices for Force Verification of Testing
7、 MachinesE44 Definitions for Terms Relating to Heat Treatment ofMetals(Withdrawn 1993)3E165/E165M Practice for Liquid Penetrant Examination forGeneral IndustryE709 Guide for Magnetic Particle Testing2.2 Other Standards:OSHA 1910.184 Slings4ASME B30.9 Slings5ASME B30.10 Hooks53.Terminology3.1 Definit
8、ions of Terms Specific to This Standard:3.1.1 breaking force,minimumthe minimum force inpounds or newtons at which the component has been found byverification testing to break when a constantly increasing forcewas applied in direct tension.This test is a manufacturersdesign verification test and sha
9、ll not be used as criteria forservice.3.1.2 chain slingan assembly consisting of alloy steelchain joined to upper and lower end components for attachingloads to be lifted by a crane or lifting machine.3.1.3 coupling linka link fitted to the end of the chain toconnect to another component of the slin
10、g.See Fig.1.3.1.4 master linka link used as an upper end component ofa chain sling and by means of which the sling may be attachedto a crane or other device.See Fig.1.3.1.5 master coupling link(secondary or intermediatelink)a link used on three and four leg slings to connect thelegs to a master link
11、.See Fig.1.3.1.6 proof testa quality control tensile test applied tocomponents for the purpose of verifying manufacturing andmaterial quality.It is the minimum force in pounds or newtonswhich the component has withstood at the time it left the1This specification is under the jurisdiction of ASTM Com
12、mittee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.27 on Steel Chain.Current edition approved Sept.1,2016.Published September 2016.Originallyapproved in 1996.Last previous edition approved in 2010 as A952/A952M02(2010).DOI:10.1520/A0952_A0952M-
13、02R16.2For referenced ASTM standards,visit the 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.3The last approved version of this historical standard is re
14、ferenced onwww.astm.org.4Available from Occupational Safety and Health Administration(OSHA),200Constitution Ave.,NW,Room Number N3626,Washington,DC 20210,http:/www.osha.gov.5Available from American Society of Mechanical Engineers(ASME),ASMEInternational Headquarters,Two Park Ave.,New York,NY 10016-5
15、990,http:/www.asme.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 FIG.1 General Component ConfigurationA952/A952M 02(2016)2 FIG.1 General Component Configuration(continued)A952/A952M 02(2016)3 producer,under a test in which a constan
16、tly increasing forcehas been applied in direct tension.Proof test loads are amanufacturing integrity test and shall not be used as criteria forservice.3.1.7 traceability codea series of letters,or numbers,orboth,marked on a component which enables its manufacturinghistory,including identity of the steel heat,to be traced.3.1.8 working load limit(WLL)the maximum combinedstatic and dynamic load in pounds or kilograms that shall beapplied in direct tension to the component.4.Classification4.1 Only
