RolledShapeswithImprovedNotchToughnessAPISPECIFICATION2MT2FIRSTEDITION,JUNE2002REAFFIRMED,JUNE2015ADDENDUM1,DECEMBER2019SPECIALNOTESAPIpublicationsnecessarilyaddressproblemsofageneralnature.Withrespecttopartic-ularcircumstances,local,state,andfederallawsandregulationsshouldbereviewed.APIisnotundertakingtomeetthedutiesofemployers,manufacturers,orsupplierstowarnandproperlytrainandequiptheiremployees,andothersexposed,concerninghealthandsafetyrisksandprecautions,norundertakingtheirobligationsunderlocal,state,orfed-erallaws.Informationconcerningsafetyandhealthrisksandproperprecautions,withrespecttoparticularmaterialsandconditions,shouldbeobtainedfromtheemployer,themanufacturerorsupplierofthatmaterial,orthematerialsafetydatasheet.NothingcontainedinanyAPIpublicationistobeconstruedasgrantinganyright,byimplicationorotherwise,forthemanufacture,sale,oruseofanymethod,apparatus,orprod-uctcoveredbyletterspatent.Neithershouldanythingcontainedinthepublicationbecon-struedasinsuringanyoneagainstliabilityforinfringementofletterspatent.Generally,APIstandardsarereviewedandrevised,reaffirmed,orwithdrawnatleasteveryfiveyears.Sometimesaone-timeextensionofuptotwoyearswillbeaddedtothisreviewcycle.ThispublicationwillnolongerbeineffectfiveyearsafteritspublicationdateasanoperativeAPIstandardor,whereanextensionhasbeengranted,uponrepublication.StatusofthepublicationcanbeascertainedfromtheAPIUpstreamSegment[telephone(202)682-8000].AcatalogofAPIpublicationsandmaterialsispublishedannuallyandupdatedquar-terlybyAPI,1220LStreet,N.W.,Washington,D.C.20005.ThisdocumentwasproducedunderAPIstandardizationproceduresthatensureappropri-atenotificationandparticipationinthedevelopmentalprocessandisdesignatedasanAPIstandard.Questionsconcerningtheinterpretationofthecontentofthisstandardorcom-mentsandquestionsconcerningtheproceduresunderwhichthisstandardwasdevelopedshouldbedirectedinwritingtothestandardizationmanager,AmericanPetroleumInstitute,1220LStreet,N.W.,Washington,D.C.20005.Requestsforpermissiontoreproduce...
