SECONDEDITION,FEBRUiNeitherAPlnoranyofAPI'semploywarrantyorrepresentation,eitherexpressorimplied,withrespecttotheacanyinformationorprocessdisclosedinthispaccuracyandreliabilityofthedatadamageresultingfromitsuseorfortheviolationThesepublicationsarenotintendedtoobviaAnymanufacturermarkmanufacture,sale,oruseofanymrThisdocumentwasproducedunderAPIstandardizationGenerally,APIstandardsarereviewedandrevised,reaffirtheAPIStandardsDepartment,telephone(202)682-8000annuallybyAPI,200MassachusettsAvenue,NW,SuiteSuggestedrevisionsareAvenue,NW,Suite1100,Washington,DC20001,SeeAnnexAofAPISpecificationQ1ortV 1 1 2 2 8 20 20 21 22 22 24 24 24 25 26 27 27 27 34 36 40 40 41 41 41 42 43 48 48 51 61 62 63 AnnexA(informative)Purchase 69 23 30 31 39 41 46 59 B.1CorrelationbetweenSi B.2CorrelationbetweentheSignifi 74 75 76 7 80C.11MinimumSurfaceHardness 82 86 89 90 91 92 94 94 95D.11MinimumSurfaceHardnessofDimensionDAofTypeBDrillS 95 96 98 98 99 99 99 1Thisstandardspecifiesthetvalves,squareandhexagonalkellys,dASMEBoilerandPressureVesselCode(BPVC),Section/×,Welding,Brazing,andASTMA262,StandardPracticesforDetectingSusceptibilitytoIntergranularAttackinAusASTMA370,StandardTestMethodsandDefinitionsforMechanicalTestingofSTMA434,StandardSpecificationforStee/Bars,Alloy,Hot-WroughtodASTME213,StandardPracticeforUltrasonicExaASTME3024,StandardPracticeforMagnet2APLSPECIFICATION7-1ISO11484,SteeltubesfoAthreadedconnectiononoilfieldcountrytub locatedandthenmeasuringthedepthoAlengthoftube,usuallysteel,towhichspecialt 4 Theprocessofmeasuring,examining,testing,ga ROTARYDRILLSTEMELEMENTShide(seeAPI5T1).6APLSPECIFICATION7-1Animperfectionthatincludes,butisnotlimit ROTARYDRILLSTEMELEMENTS8APLSPECIEIGATIONCDDcDDcross-sectionalareao ROTARYDRILLSTEMELEMENTSDdoutsidediameter,reducedddeGAPIfull-holestyleofthreaddesignLLLNRRAPlregularstyleofth10APLSPECIEIGt641a)Uppersectionb)Middlesectionofassemblyofasse99dd12AForadditionalrequirementsoreferenced,seethefollow—materialrequirement—conversionproceduresfdocumentpreparedbytheInternationalOrganizatd)dateofthree)sizeandstyleofcEXAMPLE—AnNC46connectionwouldbemar rmanufacturersuppliedvalvebodymaterialyieldconditions.Enduravarydependingontheappc)limitsforthefollowingmechanicalpr14APLSPECIFICATION7-1Testspecimensshallberemovedfromintegrac)sealingoverthedesigf conductedatambienttemperaturepressure-holdingperiod,timingshallstartwhenpCAUTION—Afterworki16b)Thestem-sealexterverificationpurpos Whenconnectionsaremachined,thvalvesandonotherdrillstemsafetyvalvesmanufacturedfromstandardsteEndconnectionsandany5.5.3Connectionsfluorescentsolvent-removableorwater-washablemethod.Theexaminatawritenproceduredevelopedbythe(dimensional,visual,andnon-d18APISPECIFi)onclass1-typ(NPC),onlythevalvebMarkingthevalvesasst f)dateofmanufacture(month/year);Valvesfurnishedbythemanufacturerwithnopreferredf)dateofmanufacture(month/year);20APLSPECIEIGATION7-1Thefollowingsupplem5.8.3SupplementaryRequiremena)successfulgas-tightsealingsupplementaltestingb)H?S-trimsupplementalrequiremen6.1Size,Type,andROTARYDRILSTEMELEMENTScompletionofallgauging3.2mm(/in.)beyondthetangeThemechanicalpropertiesofkTensilepropertiesshallbedeteTensilespecimensshal22APLSPECIFICATION7-124APISPECIFICATION7-1pTheconnectionsshallconformtothedimenTheconnectionsizesandstylesshallcd)TableC.28(TableD.28),TabSeeAPI5DPwhenconnectingtodrillpTheinsidebeveldiameterof ROTARYDRILSTEMELEMENTSTheoutsidediameterandtolerancesofthTheconnectionsshallconformtothedi26APLSPECIFICATION7-1shallconformtothetensilerequirememechanicalpropertiesinthesectionofreandASTME23andshallbeconductedatatea)Fortubes,thedepthfromtheoutsidesurface ROTARYDRILSTEMELEMENTSthan[<]47J(35ft-Ibs).7.6Non-destruct7.7ConnectionS7.9SurfaceTreatmentofThreadsandApplicationofthetreatmen28APLSPECIFICATION7-1—ABCo.(ormark)—NC3150.8,NC46;or—ABCo.(ormark)—NC312,NC46.ROTARYDRLLSTEMELEMENTSbIftypeBsadouto-boxordoublo-p30ROTARYDRLLSTEMELEMENTSLg=Lv+lengthofrotaryshouldered328.1.2OutsideDiameterToSurfaceimperfectionremovalshallcomplywir9.14×0.5=4.6mm(30×1160=3/1dimensionalandgaugingrequ ROTARYDRILSTEMELEMENTSTheconnectionsshallconformtothedimtothedimensionalandgaug8.1.7.2ConnectionStress-RelStress-relieffeatures,whenspecified,shallconformtoAPI7-2.Thesurfacesofstress-relieffeaturesshallbefreeofsharp-bottomedt34APLSPECIFICATION7-1ThetensilepropertiesofstaA370,0.2%OffsetMethodASTME23andshallber ROTARYDRILSTEMELEMENTSthan47J(35ft-lbs).ASMEBPVCSectionIXStandardsteeldrllcollarsconformingtothisst36APLSPECIFICATION7-1ABCo.(ormark)NC46,6.25,2.81API7-1EXAMPLE2—Adillcollarofdiameter209.6mm(81/in.)with71.4mm(2ABCo.(ormark)209.6,71.4,6-5/REGABCo.(ormark)8.25,2.81,6-5gREGThelengthtolerancefornon-magnetThetensilepropertieASTMA370,0.2%OffsetMetho ROTARYDRILSTEMELEMENTSASTME23andshallbeconductedat8.3.3.1Measurementsoforientedintheaxialdirectionofth8.3.4.1MicrostructureT38APISPECIFICATION7-1d)Themicrostructures"step"and"dual"shallbeaccetheASTMA262figuresforse)Acollarwith"ditchd)non-magneticidentifie)connectiondesignatf)“API7-1”TheexamplebelowillustratesthesemarkingEXAMPLE—A209.6mm(8-1/?in.k)209.6,71.4,NMDC,6-5/rROTARYDRLLSTEMELEMENTSLLLRNOTEDmeraionsimmeters(hes:eTableC2240APISPECIFICATION7-1tomeetAPI5DP;sometimesalsorefeROTARYDRLLSTEMELEMENTSsoTE2soeTiC23(tateNOTE4Thesbostdnenyobon*35dpetphdtapproximatelongitudin42APLSPECIEIGATION7-1shallconformtothedimensionalandgauThesurfacesofstressrelieffeaturesshWhenspecifiedinthepurchaseagreement,coldworkiAswithstressrelieffeatures,laboratoryfatiguetestsandtestsundGaugestand-offwillchangeaftercoldworkispecifiedgaugestandofffgROTARYDRLLSTEMELEMENTSa)Pinconnection—atthesmallenApplicationofthetreaTooljointsshallbemanufacturedfromtooljointfHeattreatmentshallbeperformedTooljointforgingsandhot-rolledsteelshallbequenchedandteTensilepropertiesshallbedeterminedbytestsoncy44APLSPECIFICATION7-19.8.1.4.5Re-testforBar,Tube,anoperations). ROTARYDRILSTEMELEMENTSIfthespecifiedlo9.8.1.6.tooljointboxes;andfortooltestsshallbemade,onetestapproximateladditionaltooljointsfromthesamelo46APISPECIFICATION7-1ofthebar,tooljointfoROTARYDRILSTEMELEMENTS9.8.1.7.6Re-testforBar,Tube,anrequirements,thelotshallbeac48APLSPECIFICATION7-1tubeandtooljointtaper.Thedesignoftheweloftheweldtimestheminimumyiecrosssectionalareaofthetubetimweldingvariables.Theweldingprocedurespecificationoftheweldaresatisfied.Theweldingmachineopthatsatisfiestheserequirements.ThemanufacturershallmrecordsofwelderperfthetooljointsandpipebodytoEXAMPLE—ABCo.(orM ROTARYDRILSTEMELEMENTSfvariables.Themanufacturershallmaintainprocedurequalifica50d)BoxtooljointRoTARYDRILLSTEMELEMENTSd)thesizeandsty—ABCo.(ormark)200,API7-1,4-1/?REG;or—ABCo.(ormark)7.87,API7-1,4-1/?R52+0.08/mm(+0-003/in.).minus0.05mm(0.002in.)inta)Ifacceptable,theproductbitshallenterth ROTARYDRLLSTEMELEMENTSa)Gogaugeyop"005(*000TbeDeerarce-0.05-0002.tiend)thesizeandsty—ABCo.(ormark),190.5,API7-1,4-1/?REG;—ABCo.(ormark