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1、INTERNATIONA1.STANDARDISO4779editionSeCOnd202108Chaincomponentsfor1.iftingpurposesForgedeyehookwithpointand1.atchGrade41.stain1.essstee1.,so1.utionannea1.edE1.ementsdechainesdeIevageCrochetsdeIevageforgesenacierabeeetacei1.Grade4,acierinofdab1.efrecuitdhomog6n包sationISoR而加强O?财COPYRIGHTPROTECTEDDOCUM
2、ENTISO2021岫rkdea/山thUcdOthcnviscjftc三orrtmcehDVBiwixuioiti08phnn11UatiocBhrhotocp)Mng,ptbcatonpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanherequestedfromeitherISOattheaddressbe1.oworISn11thvcekHpfff1.0brjfigbodyhirHMwbtandriteN(nowMycamitteehasbeenestab1.ishedhastheri
3、ghttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdo
4、cumentandthoseintendedforitsfurthermaintenanceare蜩映也搬0f1.S0IECdWM1.h如。trWW1WekOrdanCeVMtheeditoria1.ru1.esoftheISO/IECDirectives.Part2(secwww.iso.org/dircctives).MionrigbtS.丽n施腻中栅泅序nsi曲?麻出就时做刑他doc三据R哪ssubjectofanypatentrightsidentifiedduringthedeve1.opmerUW4iewmwVw1.1.beintheIntroductionand/orontheI
5、SO1.istofpatentdec1.arationsreceived(seewww.iso.org/pa1.ents).Anytradeusedinthisconstitutenameendorsement.documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationonthevo1.untarynatureofstandards,themeaningofISOspecifictermsand螂tt三UW网副腌Mth等惜用施膈解品tE神船用诺升刷即enc酰帼WingUR1.:www.iso.org
6、/iso/foreword.htm1.展妍楹验叔86忸桶13。吧叫微I雕乐磊A翩魄为reeMkchains,chains1.ings.Thissecondeditioncance1.sandrep1.acesthefirstedition(ISO4779:1986),whichhasbeentechnica1.1.yrevised.Themainchangescomparedtothepreviouseditionareasfo1.1.ows:1.imitationofthemateria1.susedtostain1.essstee1.s;correspondingadaptationoft
7、hea1.1.oye1.ementsandheattreatment;reductionOfthesizes.Correspondingtothere1.atednomina1.chainsizes；inc1.udingdetai1.ed44nwUebaseforca1.cu1.ationofdimensions,working1.oad1.imitsandmechanica1.requirementsinAnnexA.AJW博加用d哂嫩油t*wstaniiesthiscabd金u11ng(uWww405啷HveiHbertwhwiWnaHonaIstandardsbody.AChaincom
8、ponentsfor1.iftingpurposesForgedeyehookwithpointand1.atchGrade4,stain1.essstee1.,so1.utionannea1.ed1 ScopeConstnictionofgradeso1.utionannea!edstee1.andPreferabIponentinchains1.ingsofwe1.ded-49IMPORTANT-Forotherapp1.ications,e.g.stee1.wireropes1.ingsortexti1.es1.ings,itisimportantthatthehookdesignisc
9、heckedtoensureitsfitnessforasafeuse.according1.835.Tab1.e(s1.ingchainsandmechanica1.requirementsaccordingva1.uesTab1.etheWorkingdirectcorre1.ationSee-AftHex-B.Hooksaccordingtothisdocumentareforuseinthetemperaturerange-100to+400.NOTE2Thetermeyehookwithpointand1.atch*istakenfromISO1837:2003,Figure5.2
10、Normativereferencesconstitutesrequirements1.atesteditiondocment.referencedreferences,(inc1.udingamendments)app1.ies.app1.ies.stain1.essstee1.ISO3452-1,NOn-destructivetestingPenetranttestingPart1:Genera1.princip1.esTension/compressiontestingmachinesCa1.ibrationandverificationoftheforce-measuringsyste
11、mDesn1.3385-1,metro1.ogica1.Characteristicsspecifications(GPS)Dimensiona1.measuringequipmentPart1：bars,rodsandsectionsThisdocumentspecifiestherequirementsforforgedeyehookswithpointand1.atchofgrade4fromstain1.essstee1.and4fromstain1.essforuseso1.utionasNOTE1Thegradeforthehookaccordingtothisdocumentis
12、Ukenfromthegradeofthes1.ingchainaccordingtoISOtoBoth2andva1.uesforIhehooks)haveidentica1.scopestofor3.Thus,the1.oad1.imitW1.1.,ofhookstothes1.ingchainisgivenbytheW1.1.andespecia1.1.ythecodesystemontheproductbodyitse1.f.Thegradeofthehookdoesnotdefineanyva1.uesofthetensi1.estrengthofthehookmateria1.Fo
13、rfurtherinformation.Therangeofthenomina1.diameter,d11roftheassociateds1.ingchainaccordingtoISO1835isfrom4mmto22mm.Thesehooksareso1.utionannea1.edinthefinishedconditionandcanthereforeb4isedwithoutrestrictionsvrithregardtothecorrosionresistanceofthestee1.saccordingto5.1.Thefo1.1.owingdocumentsarerefer
14、redtointhetextinsuchawaythatsomeora1.1.oftheircontentundatedreferences,theofthisoftheFordateddocumenton1.ytheanyeditioncitedForISO1835,Roundstee1.short1.inkchainsfor1.iftingpurposesMediumto1.erances1.ingchainsGrade4,ISO1837,1.iftinghooksNomenc1.atureISO7500fMeta1.1.icmateria1.sCa1.ibrationandverific
15、ationofstaticuniaxia1.testingmachinesPart1:ISO8539,Forgedstee1.1.iftingcomponentsforusewithGrade8chainISOandGeometrica1.productca1.1.ipersISO16143-2,Stain1.essstee1.sforgenera1.purposesPart2:Corrosion-resistantsemifinishedproducts,EN10228-2rNondestructivetestingofstee1.forgingsPart2:Penetranttesting
16、3 TermsanddenitionsForthepurposesofthisdocument,thetermsanddefinitionsgiveninISO1837,ISO8539andthefo1.1.owingapp1.y.ISOandIECmaintaintermino1.ogica1.databasesforuseinstandardizationatthefo1.1.owingaddresses:TJISoOn1.inebrowsingp1.atform:avai1.ab1.eathttps:WwW.iso.org/obpnomina1.sizecombinationofnume
17、rica1.va1.ueswithoutunitsfordesignationandorderingpurposes,whichindicatesthenomina1.diameteroftheassociatedroundstee1.1.inkchainandthegradeoftheforgedcomponentEXAMP1.E10-43.2testforcePtforceapp1.iedtothehookduringthetensi1.etest4Dimensionsanddesignation4.1DimensionsThebasesforca1.cu1.ationoftheva1.u
18、esforthedimension1.imits1.istedinTab1.e1aregiveninAnnexA.Thecorrespondingdimension1.ettersareshowninFigure1.Thespecifiedva1.uesareabso1.ute1.imits.Thegeometryofthehookisnotspecifiedindetai1.Therefore,Figure1specifieson1.ywherethedimensionva1.uesaccordingtoTab1.e1aremeasured.KeyAD1.BEMCHWFigure1-Dime
19、nsionsofhooksConespondingdimensionsareca1.cu1.atedinaccordancewithAnnexA.Tab1.e1Dimension1.imits2045158S4697550863114.2DesignationI1.11ghtsreservedPreferrednomina1.sizesaregiveninTab1.e1.rco1.umn!.Othernomina1.sizesmayheused,providedtheThedesignationofthehooksha1.1.heinaccordancewiththegenera1.forma
20、tgiveninFigure2.10H.kISO79QuantityIDenominationISOnumberNomina1.sizeNomina1.diameterGradenumberFigure2Genera1.format5 Requirements5.1 Materia1.Thestee1.usedsha1.1.beausteniticstain1.essstee1.swithmo1.ybdenumandsha1.1.beresistantagainstintergranu1.arcorrosion.RWB5-Iac4wiingeMunp1.e1.SOde45510.withthe
21、ISOnameX6CrNiMoTi1.7-12-2respective1.ywiththeISOnumber4571NOTE2Theresistanceagainstpittingcorrosionwi1.1.beincreasedbya1.1.oyingwithmo1.ybdenum.丽曲派IR出於喻H林喇腐桃生渊也ioRY丽则外tcorrosive到啾曲阪诵酰发饵出1conditionsandwithhighercarboncontentsofthestee1.,astabi1.izationwithtitaniumisrecommended.的砥5,W1.磔箱n即因的端出中曲ed期牌端娜
22、腺州6厢解版榔就R喀Ik版林1x桶触僧number1.4571,AISI/SAE316TiandUNSS31635.5.2 ManufactureThehooksha1.1.bedropforgedhotinonepiece.Itsha1.1.befreefromanyharmfu1.surfacedefects,Sdiiie电Cre她nent6 Im则ffoo拒曲面丽ea1.e4bkisothatthefinishedhookcomp1.ieswiththemechanica1.propertiesThedimensionssha1.1.beasgiveninTab1.e,co1.umns2
23、to10.咨f(0IaHbedesignedtocoveradiameterequa1.toeyedimension,buttheeyeInaddition,thefo1.1.owingrequirementssha1.1.bemet:a) theactua1.pointheight,Btsha1.1.beequa1.toorgreaterthantheactua1.throatopening,C;b) theactua1.throatopening,C1sha1.1.notexceed90%oftheactua1.seatdiameter,D;C)the1.atchsha1.1.becapa
24、b1.etoc1.oseovertheactua1.bardiameter,/1.;d) theactua1.bardiamcterM,sha1.1.notexceed90%oftheactua1.throatopening.C;e) 5ndfr(1.ue,H1?rfW11Ah1.es1.ingsandtexti1.eSIingSjheactua1.eyedimension,shou1.dbe1.arger5.5Working1.oadIimit9W1.1.Tab1.e2givesva1.uesfortheworking1.oad1.imitW1.1.specifiedbyISO1835.Fo
25、rothernomina1.sizes,theva1.uesfortheworking1.oad1.imit.IVWabtett+n?WAnkingdhjUrtuicordancewi1.h-A2.123Nomina1.sizeTestforceFTBreakingforceFB20-46,3022-47,505.6Medianca1.properties25.6.1GencraNomina1.sizeWorking1.oad1.imitW1.1.Hooksaccordco1.umns2anp1.yviththemechanica1.requirementsasRiveninTab1.e3,1
26、3.Tab1.e3-Mechanica1.requirements20-4125250224i1502300ISO2021-AUNomina1.sizerightsreservedWorking1.oad1.imitW1.1.5.6.2Testforce,FrEachhooksha1.1.becapab1.eofsustainingthetestforce,Fr,specifiedinTab1.e3,co1.umn2,ca1.cu1.atedonthebasesgiveninAnnexA.5.6.3 E1.ongationattestforceFo1.1.owingtheremova1.oft
27、heforce,thedimensionssha1.1.bewithintheto1.erancesspecifiedontheMti)tbnent(iimensionmanufathteftrf1.wingb)Mbws1.砌Tnd1.dimdnSiona1.terbymorethan1,0%ofthe5.6.4Breakingforce,FbEachhooksha1.1.haveabreakingforce,Fb,at1.eastequa1.tothatspecifiedinTab1.e3,co1.umn3.Theva1.uesforthebreakingforce.Fb,areca1.cu
28、1.atedonthebasesgiveninAnnexA.5.6.5 DeformationOncomp1.etionofthestatictensi1.etesttheresha1.1.beac1.ear1.yvisib1.ewideningofthethroatopening.Thedimensionofthethroatopening,C,sha1.1.haveanincreaseofat1.east100%unti1.itfai1.stosustainthe1.oad.5.7SurfaceconditionHookssha1.1.befreefromsca1.e,surfacecra
29、cksornotcheswhichimpairtheirusabi1.ity.indicationsofcracksand6Tests6.1 Qua1.icationofpersonne1.A1.1.testssha1.1.becarriedoutbyacompetentpersonasdefinedinISO8539.6.2 Typetests6.2.1 Genera1.Tjrpetestsdemonstratethathookscertifiedbythemanufacturerascomp1.yingwiththerequirements1.aiddowninthisdocumentpo
30、ssessthemechanica1.propertiesspecifiedinthisdocument.Thepurposeofthesetestsistoprovethedesign,materia1.,heattreatmentandmethodofmanufactureofeachnomina1.sizeoffinishedhook.Anychangeindesign,materia1.specification,heattreatment,m&HB(Idi曲f%Qech三c时卵丽i的第微Iw琳靖前府矶碗丽dH胭Cff1.前tWt颓dcarriedoutonthemodifiedhoo
31、k.Forthetypetest,threehookssha1.1.bese1.ectedforeachnomina1.size.On1.yifa1.1.threesamp1.espassthetypetests,thehooksofthisnomina1.sizecomp1.ytothisdocument6.2.2DimensiontestThedimensionsofthehooksasspecifiedinTab1.e1sha1.1.becheckedusingaca1.1.iperinaccordancewithISO133854.6.4.5.2.2Testforce,FrThehoo
32、kis1.oadedwiththetestforce,Fr,whichissimu1.taneous1.yrecordedintheforce-extensiondiagram.6.4.5.2.3 E1.ongationattestforceThee1.ongationattestforceasspecifiedin5.6.3sha1.1.becheckedusingaca1.1.iperinaccordancewithISO13385-1.6.4.5.2.4Breakingforce,FbTheva1.ueforthebreakingforce,Fb,isthemaximumofthecur
33、veintheforce-extensiondiagram.6.4.5.2.5 DeformationBaSedontherequirementof5.6.5,attheendofthestatictensi1.etestthedeformationisdeterminedbytheactua1.ISO13385-1.dimension,C,inre1.ationtothedimensionatthestartofthetestusingaca1.1.iperaccordingto7MarkingEachhooksha1.1.beIegibIyandinde1.ib1.ymarkedbythe
34、manufacturerinamannerwhichwi1.1.notimpairthemechanica1.fo1.1.owinginformation:propertiesofthehook.Themarkingp1.acedonthehooksha1.1.inc1.udeat1.eastthea)thenumberforthenomina1.diameter,dn,oftheassociateds1.ingchain,withwhichthehookiscompatib1.e；b) thegradenumber4designatingthegradeoftheassociateds1.i
35、ngchain;c) amarkthatindicatesthatthehookismanufacturedfromstain1.essstee1.,e.g.st;d) themanufacturersname,identificationmarkorsymbo1.：e)thetraceabi1.ity8Certificatescode.8.1TypetestcertificateWhenthetypetesthasbeencarriedoutwithsatisfactoryresu1.t,themanufacturermayissuethetypehsttTCentibeIrtfOn曲IHH
36、ibihnityaUHuduwiththesamenomina1.dimensions,nomina1.sizes,materia1.Themanufacturersha1.1.keeparecordforat1.eastIOyearsafterthe1.astcertificatehasbeenissued,f1.tese力?R1.whichs战XR(HHE2heatt用Sfi?IPdimenSion5,testresu1.tsanda1.1.re1.evantdataconcerningThisrecordsha1.1.a1.soinc1.udethemanufacturingspecif
37、ications,whichsha1.1.app1.ytosubsequentproduction.Anychangeinmateria1.specification,inmethodofmanufacture,inheattreatmentorinanydimensionoutsidenorma1.manufacturingto1.erancesofahook,whichmay1.eadtoamodificationofthemechanica1.PP邸UR1.atoS刚施初图般转dcertifica画雕Pdi三ft申TO4整轼丽&去ign.beforethemanufacturerisAn
38、nexA(informative)Basesfortheca1.cu1.ationA.1.DimensionsThedimension1.imttiveninTab1.e1arederivedfromthefo1.1.owingformu1.ae:AmM=I9,W/(1.)whereAnis90o1.Cn1.In.m1.n=23,3W1.1.(2)whereis85S-GCnx.Cmtn=211.(V1.1.(A3)Cmx=27rMV1.1.(4)whereCmAXis90SWDmn.Dmm=30,4W1.1.(A5)Emin=20,1.jZ(6)WIDEaccor(ffhyia01A85un
39、,Etcorrespondsto2,5timesthenomina1.diameter,(11,ofthecorrespondings1.ingHImX=34,秒V1.1.(A7)1.maK=124in(8)WmaX=23,2U(A9)ForFormu1.ae(A.1.)to(A.9)W1.1.istheworking1.oad1.imit,expressedintonnes(t).Thedimension1.imitsca1.cu1.atedtheva1.uesfortheworking1.oad1.imitW1.1.tgiveninTab1.e!nearestNOTEThefactorsf
40、ortheFe三tt1.ae-(ArHto(A.9)derivedf11mISO4779:1986,Tab1.e1(see1.ine3withW1.1.ofH)A.2Working1.oad1.imit,W1.1.Fornomina1.sizesaccordingtoTab1.e2theva1.uesfortheworking1.oad1.imit,W1.1.fareidentica1.totheva1.uesoftheworking1.oad1.imit,W1.1.1oftheassociateds1.ingchainaccordingtoISO1835.Forothernomina1.si
41、zestheva1.uesfortheworking1.oad1.imit,IV1.1.1arebasedon-Fornu1.a(A.10)：-9014g1000whereW1.1.dn9Baseduponpreferred2374,numbersca1.cu1.atedaccordancewithroundedTheseroundednearest1.ower1.istedinTab1.eR40A.3Mechanica1.requirements.3.1TestforceFr=2,0im.FT=I9,613W1.1.W1.1.accordancewithva1.ues497.roundedroundcdVa1.uesnearest1.istedinTab1.eco1.umn2.ofpreferrednumbersinA.3.2Breakingfo
