IS 4454-1 (2001): Steel Wires for Mechanical Springs, Part ...

1 Disclosure to Promote the Right To InformationWhereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. ! $ ' + - Satyanarayan Gangaram Pitroda Invent a New India Using Knowledge 0 1 ' 5 Jawaharlal Nehru Step Out From the Old to the New 1 + , 1 + Mazdoor Kisan Shakti Sangathan The Right to Information, The Right to Live ! > 0 B Bhart hari N ti atakam Knowledge is such a treasure which cannot be stolen Invent a New India Using Knowledge IS 4454-1 (2001): Steel Wires for Mechanical Springs, PartI: Patented and Cold Drawn Steel Wires - Unalloyed [MTD 4:Wrought Steel Products].

2 =+IS4454(Part1):2001!Wmfh?mIndianStandar dSTEELWIREFORMECHANICALSPRINGS SPECIFICATIONPART1 COLDDRAWNUNALLOYEDSTEELWIRE(ThirdRevisio n) ; ,9 BAHADURSHAHZAFARMARGNEWDELHI110002 March2001 PriceGroup5 WroughtSteelProductsSectionalCommittee, (Part1)(ThirdRevision)wasadoptedbytheBur eauofIndianStandards, , :a)Gradedesignationhasbeenmodified,b)Che micalcompositionandtensilestrengthvalues havebeenmodified,c)Dimensionaltolerances havebeenmodified,d)Provisionofwrappingte st,torsiontestanddecarburizationtesthave beenmodified,ande) , :Part2 OilhardenedandtemperedsteelwirePart4 Stainl? ,assistancehasbeenderivedfromthefollowin gstandards:a)ISO/CD8458-1 Steelwireformechanicalsprings:Part1 Generalrequirements(Aug98)b)ISO/CD8458-2 Steelwireformechanicalsprings:Part2 Patentedandcold-drawnunalloyedsteelwire( Aug98)c)prEN10270-1 Steelwireformechanicalsprings:Part1 Patentedandcold-drawnunalloyedsteelwire( June96)Forthepurposeofdecidingwhetherapa rticularrequirementofthisstandardiscompl iedwith,thefinalvalue,observedorcalculat ed,expressingtheresultofatestoranalysis, shallberoundedoffinaccordancewithIS2:196 0 Rulesforroundingoffnumericalvalues(revis ed).

3 Thenumberofsignificantplacesretainedinth eroundedoffvalueshouldbethesameasthatoft hespecifiedvalueinthisstandard..IS4454(P art1) SPECIFICATIOh~ .PART1 COLDDRAWNUNALLOYEDSTEELWIRE(ThirdRevisio n)1 SCOPET hisstandard(Part1) ,priortodrawing, ,whichthroughreferenceinthistext, , , (inParts)1608:19951717:19851755:19831956 (Part5):19764905:19686396:19838910:1978 TitleMethodforchemicalanalysisofsteelMec hanicaltestingofmetals-tensiletesting(se condrevision)Methodforsimpletorsiontestf orwire(secondrevision)Methodforwrappingt estformetallicwire(firstrevision)Glossar yoftermsrelatingtoironaudsteel:Part5 Brightsteelbarandsteelwire(Jrstrevision) MethodsforrandomsamplingMethodofmeasurin gdecarburizeddepthofsteel(firstrevision) ,thedefinitionsgiveninIS1956(Part5) ;Helix;Pitch Thetermsspool, Qualifiesapplicationswherespringsaresubj ectedtostaticstressesorinfrequentdynamic loading, Thisdoesnotapplyto Oneturnofwirefromacoil,thatis, ~ , IS4454(Part1):2001!* Table1 SpringWireGrades(Clause5)TensileStrength StaticDiameterDynamicDiameterDutyRangeDu tyRangemmmm(1)(2)(3)(4)(5, Forspecificapplications.)

4 -AIS4454(Part1):2001wiregradesSLandSM.{. > * deviationspecifiedinTable4.,. ,onvisualexamination, ( )ConstituentPermissibleVariationsOverand UnderSpecifiedLimit,Percent,Max(1)(2) ,suchasgrooves,seams,tears,rust,scale,sc ratches,pits,die-marks,andanyotherharmfu ldefects, , ( )NominalDiameterofWireTolerance(+)ClassA ClawBNominalDiameterofWireTolerance(+).C lassAClassBOverUptoandIncludingmm(2)Over UptoandIncludingmm(2)mm(1)mm(3)mm(1)mm(3 )mm(4)(4) . , IS4454(Part1) , (notexceedingonerotationpersecond) , , , ( )NominalDiameterofWire,mm(I) ,MPa . - ?) .. 2370-26502350-26302330-26002310-25802290 -25602270-25502250-25202240-25002220-248 02200-24702180-24502170-24302140-2400213 0-23802120-23702090-23504DM(4) 2780-31002740-30602710-30202690-30002660 -29602620-29102570-28602530-28202500-279 02470-27602420-27102390-26702370-2650235 0-26302330-26002310-25802290-25602270-25 502250-25202240-25002240-25002200-247021 80-24502170-24302140-24002130-23802120-2 3702090-2350:) 2660-29402640-29202610-28902590-28702570 -28502560-28302530-28002510-27802490-276 02480-27402460-27202440-27002410-2670239 0-26502380-26402360-2610DH(6)2800-352028 00-35202800-35202800-34802800-34302800-3 3802800-33502800-33202800-32502800-32002 800-31602800-31102770-30802720-30102680- 29702660-29402640-29202610-28902590-2890 2570-28502570-28302570-28002570-27802570 -27602480-27402460-27202440-27002410-267 02390-26502380-26402360-2610.}

5 -XLIS4454(Part1):2001 Table5(Continued)NominalDiameterofWire,m m(1) ,MPa(% 1720-19701710-19501690-19401670-19101660 -19001640-18901620-18601600-18401590-182 01570-18001550-17801540-17601520-1750151 0-17301490-17101470-16901460-16801450-16 601420-16401410-16201390-16001370-158013 50-15601340-15401320-15201310-15001290-1 4901270-14701260-14501240-14301230-14201 210-13901190-13801180-13701160-13401140- 13201120-13001110-12801090-12601070-1060 - 250230SM(3)2070-23302050-23002030-228020 10-22602000-22401980-22201960-22201950-2 1901920-21601910-21301900-21301870-2100i 850-20801830-20501810-20301790-20101770- 19901760-19701740-19601720-19301700-1910 1690-18901670-18801650-18501630-18301610 -18101590-17801570-17601550-17401530-173 01510-17001500-16801480-16701460-1650144 0-16301430-16101400-15801390-15601380-15 501350-15301330-15001310-14801290-146012 70-14401260-14201240-14001220-13801210-1 3705DM(4)2070-23302050-23002030-22802010 -22602000-22401980-22201960-22201950-219 01920-21601910-21301900-21301870-2100185 0-20801830-20501810-20301790-20101770-19 901760-19701740-19601720-19301700-191016 90-18901670-18801650-18501630-18301610-1 8101590-17801570-17601550-17401530-17301 510-17001500-16801480-16701460-16501440- 16301430-16101400-15801390-15601380-1550 1350-15301330-15001310-14801290-14601270 -14401260-14201240-14001220-13801210-137 0SH(5)2340-25802310-25602290-25302270-25 102250-24902230-24702210-24502200-243021 70-24002140-23802140-23702110-23402090-2 3102060-22902040-22602020-22402000-22201 980-22001970-21801940-21501920-21301900- 21101890-21001860-20701840-20401820-2020 1790-19901770-19701750-19501740-19301710 -19001690-18801680-18401660-18301640-182 01620-18001590-17701570-17501560-1740154 0-17101510-16801490-16601470-16301450-16 101430-15941410-15701390-15501380-1530DH (6))

6 2340-25802310-25602290-25302270-25102250 -24902230-24702210-24502200-24302170-240 02140-23802140-23702110-23402090-2310206 0-22902040-2260qo20-22402000-22201980-22 001970-21801940-21501920-21301900-211018 90-21001860-20701840-20401820-20201790-1 9901770-19701750-19501740-19301710-19001 690-18801680-18401660-18301640-18201620- 18001590-17701570-17501560-17401540-1710 1510-16801490-16601470-16301450- 16101430-15901410-15701390-15501380-1530 IS4454(Part1):2001 Table5(Concluded)NominalDiameterofWire,m m(1) ,MPaSMDMDH:6(3)(4):)(6) 1180-13401180-13401350-15001350-1500 1170-13201170-13201330-14801330-1480 1160-13101160-13101320-14701320-1470 1020-11501020-11501160-13001160-1300 NOTES11 MPa=1N/mm*=1MN/m2= , , ( )NominalDiameterofWire,mmOverUptoandIncl uding(1)(2) RvistsforGradesSL,SMandSHDMandDH(3)(4)20 2518221620141871)905071) ,onvisualexamination,whenbentthroughanan gleof180 ,underslightbutreasonablyuniformtensiono namandrel, IS4454(Part1):2001releasingthestress, ~reguhu~tiofthespringpitch(andindividual windings) , , ,thecastrequirementsmaybeconsideredasbei ngfidfilledifthefollowingconditionissati sfied:Anindividualringtakenfromthecoilan dfreelyhungonahookmayshowanaxialdisplace ment ~attheendsofthering( ).

7 Thisdisplacement j shallnotexceedavaluegivenbythefollowingi nequality:whereJ=Axialdisplacementinmm,D =Diameterofafreeringinmm,andd= ,asindicatedbygrainboundaryferriteofanam ountinexcessofthatpresentinthemainportio norcoreofthesection, , , ,whererequire~shallbecommonlyofcopper,zi ncorzinc/aluminimnalloy, ~lcfinishisspecified,thetypeoffinishshal lbeatthemanufacturer n12 SAMPLINGU nlessotherwiseagreedto, ~allotherweldsshallberemovedor, ,thisshallandthemanufacturer, , ,theeyedimensionsanddiameter,withamaximu moffiveminutes,afterwhichLotherformsofsu pplyshallbemutuallyagreedtowhenexaminedm icroscopically, **IS4454(Part1) , )Nameofthesupplier,b)Wiregrade,c)Wiredia meter,d)Surfacefinish,e)Weightofthecoilh mile,f)Coating,g)Castorbatchnumber,andh) , (Foreword)INFORMATIONTOBEGIVENBYTHEPURCH ASERA-1 BASISFORORDERc)Nominalwirediamete~Whilep lacingorderforspringsteelwirescoveredbyd )Surfacefinishandcoatingwhererelevant;th isstandard,thepurchasershouldspeci~thee) Theformandconditionofdelive~,following:i )Testsrequired;a)Thedesiredquantity;g)An yspecialrequirement;andb)Thewiregrade;h) Testreport, (Foreword) ,compressionortorsionsprings, , ,compressionortorsionsprings, ,compressionortorsionspringsintendedfors tressconditionsrequiringhightensilelevel s.

8 <._Q-1S4454(Part1):2001 ANNEXC(Clause12)SAMPLINGANDCRITERIAFORCONFORMITYC-1 LOTI nanyconsignment, (seeIS4905). ,adequatelengthoftestpieceshallbecutfromeachendandsubjectedtophysicaltests,namely,size,surfacecondition,tensile,bend, , , , , (ClausesC-2, ) (1) (2) (s)forChemicalRequirements(3)(4)o1010212121,.. BureauofIndianStandardsBISisastatutoryinstitutionestablishedundertheBureauofZndianStandardsAct,1986topromoteharmoniousdevelopmentoftheactivitiesofstandardization, ,inthecourseofimplementingthestandard,ofnecessarydetails,suchassymbolsandsizes, (Publications), ; ;ifthereviewindicatesthatchangesareneeded, BISC atalogue and Standards:MonthlyAdditions . (4067). :ManakBhavan,9 BahadurShahZafarMarg,NewDelhi110002 Telegrams:ManaksansthaTelephones:3230131,3233375,3239402(Commontoalloffices)RegionalOffices:TelephoneCentral:ManakBhavan,9 BahadurShahZafarMarg{3237617 NEWDELHI1100023233841 Eastern:1 , ,Kankurgachi{3378499,3378561 CALCUTTA7000543378626,3379120 Northern:SCO335-336,Seetor34-A,CHANDIGARH160022{603843602025 ,IVCrossRoa&CHENNAI600113{2350216,23S04422351519,2352315 Western:Manakalaya,E9 MIDC,Marol,Andheri(East){8329295,8327858 MUMBAI4000938327891,8327892 <PrintedatNewIndiaPrintingPress,KhurjqIndia}}}}}