GuidelineNo.:A-02(202511)

A-02FIBERROPES

Issueddate:November01,2025

?ChinaClassificationSociety

Foreword:

ChinaClassificationSociety(hereinafterreferredtoasCCS)ProductInspectionandTestingGuideline(hereinafterreferredtoasthisGuideline)containsthetechnicalrequirements,inspectionandtestingcriteriarelatedtoclassificationandstatutorysurveyofmarineproductstobeappliedforCCSapproval/inspection.

ThisGuidelinefreestheuserstoadoptothertestmethodsandrequirementswhichareequivalenttoorarestricterthanthisGuideline.

ThisGuidelineispublishedandupdatedbyCCS,andisreleasedat

.Yourcommentsorsuggestionsarewelcomedandmaybesenttoouremail

addressed

service@

.

Historicalversionsandreleasedate:A-02(201510) October20,2015

A-02(201705) May9，2017A-02(202404) April24，2024

Mainchanges:

Revisedthedescriptionofsamplingfortypetestingandsingleitem/batchinspection.

A-02(202511)FIBERROPES

10/11

CONTENTS

Application

4

Normativereferences

4

Termsanddefinitions

4

Drawingsanddocuments

5

Technicalrequirements

6

Materialsandcomponents

6

Typetest

6

Unit/batchinspection

10

Others

11

FIBERROPES

Application

ThisGuidelineappliestosyntheticfiberropesforshipsengagedoninternationalvoyagesanddomesticvoyages:

Shipsecuring,towingandtowed;

Goodssecuring,hoistingandlashing.

Normativereferences

Chapters7,PartTwoofChinaClassificationSocietyRulesforMaterialsandWelding.

ISO2307Ropes―DeterminationofCertainPhysicalandMechanicalProperties.

ISO1346FibreRopes-PolypropyleneSplitFilm,MonofilamentandMultifilament(PP2)andPolypropyleneHigh-tenacityMultifilament(PP3)-3-,4-,8-and12-strandRopes;

ISO1141FibreRopes-polyester-3-,4-,8-and12-strandRopes;

ISO1140Fibreropes-Polyamide-3-,4-,8-and12-strandRopes;

ISO10325FibreRopes-HighModulusPolyethylene-8-strandBraidedRopes,12-strandBraidedRopesandCoveredRopes

Nationalstandard,ISOstandardandotherstandardsacceptedbyCCS.

Ifthestandardsrenewedabove,CCSacceptthelatesteffectiveversion.

Termsanddefinitions

Lineardensitymeansthemassperunitlengthoffiberropeunderpreload,inktex.

Minimumbreakingloadmeansthequalifiedloadindexthatmustbeachievedduringthebreakingtestasstipulatedintherecognizedstandardforfiberropes.,inkN.

Actualbreakingloadmeanstheactuallymeasuredvalueoffiberropebreakingloadduringbreakingtest,inkN.

Preloadmeansloadappliedtodeterminethenominaldiameterandlineardensityoffiberropesmaybeverifiedusingthefollowingformulaorotherrecognizedstandards.

F=n2/8×0.01 kN（n:nominaldiameter）

Nominaldiametermeansthenominalvalueofagivenfibreropediameterinrecognizedstandards.

Measureddiametermeansthediametermeasuredunderpreload,inmm.

Laylengthmeansthelengthofsamestrandedropewithncompletestrandsforstrandedropeandlengthofsametwistedropewithncompletetwistsforplaitedrope,inmm.

Drawingsanddocuments

TheapplicantistosubmitthefollowingdocumentstoCCSforapprovalwhenapplyingforworksapprovaltoCCS:

Technicalrequirementsforacceptanceorenterpriser’sstandard;

Typetestprogram.

TheapplicantistosubmitthefollowingdocumentstoCCSforinformationwhenapplyingforworksapprovaltoCCS:

Thestandardapplicabletofiberrope;

Sourceofrawmaterialsandtechnicalrequirementsforacceptance;

Qualitymanagementandcontroldocuments;

Particularsofmanufacturer,historyandrelevantdescriptionofropemanufacturing;

Alistofmainequipmentforropeproducingandinspection(thefactorytestingequipmentshouldmatchtheproductioncapacity

1

);

Conditionsofinspectionpersonnel;

Flowchartofmanufacturingprocessanddocuments;

Formatofreportforapprovalanddeliveryinspectiontest;

1Themaximumtensileforceofthemanufacturer'stensilemachineshallnotbelessthan90%ofthemaximumallowablebrokenloadoffiberrope

Documentofenteringtotheregisterofenterprise;

Specimenofproductqualitycertificate.

Technicalrequirements

Anylubricantinthenaturalfiberropesistobekepttoaminimum,andanyrot-proofingorwaterrepellencytreatmentisnottobedeleterioustothefiber.

Fiberropesmaybeofathree-strand,four-strand,six-strand,eight-strand,twelve-strandordouble-braidconstructionappropriatetotheirrespectivematerialsandtypes,otherconstructionformswillbespeciallyconsidered.

Materialsandcomponents

Fiberropesmaybemadeofnaturalfibers(coir,hemp,manilaorsisal)ormaybecomposedofsyntheticfibers(polyamide,polyester,polypropylenepolyolefin,ultra-highmolecularweightpolytheneorthemixtureofabovematerials).Ifitisintendedtouseothermaterials,sufficientdataaretobeavailabletoshowcomplianceoftheirpropertieswithservicerequirements.Thematerialusedforthemanufactureoffiberropesistobeofgoodandconsistentqualityandresistanttocorrosionandaging.

ThequalifiedsupplierlistofrawmaterialsshouldbeinvestigatebyCCS,andthelistincludesrawmaterials’name,type/specification,controlmodeandsupplier.Therawmaterialsshouldbere-testedbythemanufacturerincominginspection.

Typetest

Selectionoftypicalsamples

Forfiberropesofthesamematerial,samerawmaterialmanufacturer,andidenticalconstruction,oneropeeachwiththemaximumandminimumdiametersshallgenerallybeselectedforfactoryacceptancetypetesting.Thesamplefromthemaximum-diameterropemustbetakenfromthefullropeandmustnotbesubstitutedbystrandseparation.

Rawmaterialssubjecttosamplingtest:selectingsamplesinprinciplethattheropesofsamecolorandsamegradeareregardedasabatch,whilethreadsandlinesofdifferentmaterialsaresampledrespectively.Take5packagesfromabatchinarawmaterialwarehouseandselect2reels(hanks)fromeachpackageasspecimen.

Inspectionitemsforrawmaterials:tocarryouttestinaccordancewithrawmaterialsacceptancetechnicalrequirementsprovidedbythemanufacturer.

Visualinspection:forthesamebatchofproducts,theircolordifferencesaregenerallyinconsistency,surfacearesmooth,noscratch,andnoundrawnyarnisallowed.

Forphysicalproperty,thefollowingitemsaretobetested:

Testforfiberbreakingelongation;

Fiberbreakingload;

Fiberlineardensity.

Inspectionitemsforfiberropes

Visualexamination

Visuallyinspectthestrandsevennessandsmoothness,breakingstrands,slacktwistsandtocheckifthereisanywearing,scratch,cuttingorothertypesofdamageexisting.

Visuallyinspectanyoilandcolorvarianceonfiberropesurface.

TestmethodsandproceduresforphysicalpropertiesmaybereferredtoinChapter2,PartTwoofChinaClassificationSocietyRulesforMaterialsandWelding.

Physicalpropertytestitems

Diametermeasuring;

Lineardensitycalculation;

Breakingtest;(testistoadoptcompletedropeinsteadofcalculatingbybreakingstrands).

Testprocedure

Themeasurementofbreakingforce

Thetestpieceofbreakingtestisbeofadequatelengthtogiveaminimumfreelength,Lu,betweenterminationswhichisatleastequalto5pitchesorlaysor400mm,whicheverisgreater.Thedistancefromeachmark"r"totheendofthesplice(ortothetangentpointinthecaseofabollard)istobeaminimumoftwicethediameterandamaximumofthreetimesthediameteroftherope.SeeFigure7.4.1.

Diagramofafiberropewithnominaldiameternotlessthan20mmtestedusingeyesplices

Diagramofafiberropewithnominaldiameterlessthan20mmtestedusingbollardgrips

Diagramofafiberropewithnominaldiameterlessthan20mmtestedusingwedgegripsFigure7.4.1Diagramofafiberropemountedbetweengrips

Thencontinuetoincreasethetension,atthesamespeed,untiltheropebreaks.Afterapplicationofpreload,thediameterandevenlay-upofthesamplearetobechecked.ThesampleisthensubjecttoloadatthetestspeedgiveninTable7.4.1frompreloadto50%of

theminimumbreakingforcefor3or10consecutivecycles(thenumberofcyclesaretoberecordedinthetestreport),followedbyloadatthesamespeeduntilitbreaks.

Loadingspeedofbreakingtest Table7.4.1

Typeofgrips

Testspeed(mm/min)

Eyesplices

（2%~12%）×Lt① (LtisgiveninFigure7.4.1(a))

Bollardgrips,wedgegrips

250±50

Thetestresultsshouldmeetthefollowingrequirements:

①Duringtesting,ifthesampleisheldbygripsandthebreakoccurswithinthe“r”marksandthebreakingloadisnotlessthantheminimumbreakingloadspecifiedintherecognizedstandard,thetestmaybeaccepted;

②Ifthebreakoccursoutsidethe“r”marksatthegrippedortwistedportionwhilethebreakingloadhasattainedtoorishigherthan90%oftheminimumbreakingload,thetestmaybeaccepted.However,itshouldnotbeassumedthatthetruebreakingloadofthespecimenwouldberepresentedbymultiplyingtheresultby10/9;

③Ifthetestresultfailed,twomoresamplescanbetakenfromtheoriginalropeforretest.Bothsamplespassthetestandtheresultsareaccepted.Ifoneofthesamplesisunqualified,thejudgmentresultisunqualified.

Lineardensitycalculation

Thelineardensityistobetestedasfollows:afteradjustingthetemperatureandmoistureofthesampleaccordingtorecognizedstandards,applypreload(theerroristobecontrolledwithin±5%)ontheropeandmaintainfor1min.Placetwomarksontherope2mapart,thenremovetheloadanddetachthesamplefromtheparentlengthbycuttingcleanlyatthetwomarks.Weighthemassofthesampleandcalculatelineardensityusingthefollowingformula:

Lineardensitymaybeobtainedbyformula(1):

ρX＝ (1)

where:ρX―lineardensity,inktex;

mo―isthemass,ingrams,ofthetestpiece;

L―isthemeasuredlength,2mofthetestpieceunderthereferencetension.

Laylength

Thelay,lp,expressedinmillimeters,isgivenbeEquation:

lp=

wherelnisthelengthofncompletetumsofthesamestrandor,inthecaseofplaitedropes,thelengthbetweennsuccessiveplaitpoints,

Unit/batchinspection

Samplesaretobetakenfromthefiberropeswiththesamerawmaterialslotnumber,thesamestructureandsizes,andthesameproductionprocedure.Exceptasagreedotherwise,Ssamplesaretobetakenatrandomfromtheabovementionedfiberropesfortest.Sisobtainedbythefollowingformula:

(Number)

where:S—numberofsamples,innumber;

N—thebatchsize,expressedasthenumberofcontinuouscoilsof220m(lessthan220misregardedasonecoil).

WhenNiscounted,220meterscanbeaccumulatedasonereelwhenthelengthofeachropeislessthan20meters,(lessthan220miscountedas1roll).

IfthecalculatedSvalueisnotaninteger,itistoberoundedtotheclosestinteger.WhenSislessthan1,onesampleonlyistobetaken.

Testitemsandproceduresaretobeperformedintestandinspectionsaccordingto7.2~7.4ofthisGuideline.

Breakagecalculationmethodisnotacceptedtoreplacewholeropetestforbreakingtestintheunit/batchinspection.Fiberrope