API SPEC 2SC 1ST ED (R 2025) Manufacture of Structural Steel Castings for Primary Offshore Applications; First Edition; Effectiv.docx

ManufactureofStructuralSteelCastingsforPrimaryOffshoreApplicationsAPISPECIFICATION2SCFIRSTEDITION,SEPTEMBER2009EFFECTIVEDATE:MARCH1,2010REAFFIRMED,JUNE2025AmerieanPetroleumInstituteManufactureofStructuralSteelCastingsforPrimaryOffshoreApplicationsUpstreamSegmentAPISPECIFICATION2SCFIRSTEDITION,SEPTEMBER2009EFFECTIVEDATE:MARCH152010REAFFIRMED,JUNE2025ARAmericanPetroleunnInstituteSpecialNotesAPIpublicationsnecessarilyaddressproblemsofageneralnature.Withrespecttoparticularcircumstances,local,state,andfederallawsandregulationsshouldbereviewed.NeitherAPInoranyofAPI'semployees,subcontractors,consultants,committees,orotherassigneesmakeanywarrantyorrepresentation,eitherexpressorimplied,withrespecttotheaccuracy,completeness,orusefulnessoftheinformationcontainedherein,orassumeanyliabilityorresponsibilityforanyuse,ortheresultsofsuchuse,ofanyinformationorprocessdisclosedinthispublication.NeitherAPInoranyofAPI'semployees,subcontractors,consultants,orotherassigneesrepresentthatuseofthispublicationwouldnotinfringeuponprivatelyownedrights.APIpublicationsmaybeusedbyanyonedesiringtodoso.EveryefforthasbeenmadebytheInstitutetoassuretheaccuracyandreliabilityofthedatacontainedinthem;however,theInstitutemakesnorepresentation,warranty,orguaranteeinconnectionwiththispublicationandherebyexpresslydisclaimsanyliabilityorresponsibilityforlossordamageresultingfromitsuseorfortheviolationofanyauthoritieshavingjurisdictionwithwhichthispublicationmayconflict.APIpublicationsarepublishedtofacilitatethebroadavailabilityofproven,soundengineeringandoperatingpractices.Thesepublicationsarenotintendedtoobviatetheneedforapplyingsoundengineeringjudgmentregardingwhenandwherethesepublicationsshouldbeutilized.TheformulationandpublicationofAPIpublicationsisnotintendedinanywaytoinhibitanyonefromusinganyotherpractices.AnymanufacturermarkingequipmentormaterialsinconformancewiththemarkingrequirementsofanAPIstandardissolelyresponsibleforcomplyingwithalltheapplicablerequirementsofthatstandard.APIdoesnotrepresent,warrant,orguaranteethatsuchproductsdoinfactconformtotheapplicableAPIstandard.Allrightsreserved.Nopartofthisworkmaybereproduced,translated,storedinaretrievalsystem,ortransmittedbyanymeans,electronic,mechanical,photocopying,recording,orotherwise,withoutpriorwrittenpermissionfromthepublisher.ContactthePublisher,APIPublishingServices,200MassachusettsAvenue,NW,Suite1100,Washington,DC20001.Copyright©2009AmericanPetroleumInstituteForewordThisspecificationisbasedontheexperienceacquiredduringthedesign,construction,operationandmaintenanceofoffshoreprocessingunitsandpermanentfacilities,assupplementedwiththeexperienceofoperatingcompanieswithtopsides,fixedplatforms,floatingstructures(e.g.TLPs3spars,andthelike),andtheirtendonsandrisers.Castingsintheseapplicationstendtobelimitedproductioncomponents,withrelativelyfewreplications,andreceivemoreintensescrutinythanroutinemassproductionruns.Whereappropriate,thisspecificationisbasedon,orreferenceismadeto,international,regional,nationalandindustrystandards.Thisisamanufacturingspecificationforthecastingitself.Itisanticipatedthatgeometricdesignforbothservicerequirementsandcastingfeasibilitywillhavebeenagreedcollectivelybetweenthecontractor,manufacturer,andpurchaserbeforethisspecificationisinvoked.Attendantissuesregardingsystemreliability,geometricdesign,incorporationintotheoverallconstruction,operation,andmaintenancearenotaddressedhere.Thoseelectingtousethisspecificationasareferencefortheirneededlevelofperformancequalityshouldcarefullyconsideralltheseattendantissues.Whencontractorsormaufacturerssuppliersusethisspecificationtheyshouldbesolelyresponsibleforthequalityofworkandtheattainmentoftherequireddesignandengineeringstandards.Inparticular,forthoserequirementsnotspecificallycovered,thepurchaserwillexpectthemtofollowthosedesignandengineeringpracticeswhichwillachievethesamelevelofintegrityasreflectedintheirbestproduction.Ifindoubt,thecontractorormanufacturer/suppliershould,withoutdetractingfromhisownresponsibility,consultthepurchaseroritstechnicaladvisor.Thepurchasermaythennegotiatewiththeauthoritiesconcernedwiththeobjectofobtainingagreementtofollowthisspecificationascloselyaspossible.NothingcontainedinanyAPIpublicationistobeconstruedasgrantinganyright,byimplicationorotherwise,forthemanufacture,sale,oruseofanymethod,apparatus,orproductcoveredbyletterspatent.Neithershouldanythingcontainedinthepublicationbeconstruedasinsuringanyoneagainstliabilityforinfringementofletterspatent.ThisdocumentwasproducedunderAPIstandardizationproceduresthatensureappropriatenotificationandparticipationinthedevelopmentalprocessandisdesignatedasanAPIstandard.QuestionsconcerningtheinterpretationofthecontentofthispublicationorcommentsandquestionsconcerningtheproceduresunderwhichthispublicationwasdevelopedshouldbedirectedinwritingtotheDirectorofStandards3AmericanPetroleumInstitute5200MassachusettsAvenue5NW3Suite1100,Washington5DC20001.Request