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

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1、ManufactureofStructuralSteelCastingsforPrimaryOffshoreApplicationsAPISPECIFICATION2SCFIRSTEDITION,SEPTEMBER2009EFFECTIVEDATE:MARCH1,2010REAFFIRMED,JUNE2025AmerieanPetroleumInstituteManufactureofStructuralSteelCastingsforPrimaryOffshoreApplicationsUpstreamSegmentAPISPECIFICATION2SCFIRSTEDITION,SEPTEM

2、BER2009EFFECTIVEDATE:MARCH152010REAFFIRMED,JUNE2025ARAmericanPetroleunnInstituteSpecialNotesAPIpublicationsnecessarilyaddressproblemsofageneralnature.Withrespecttoparticularcircumstances,local,state,andfederallawsandregulationsshouldbereviewed.NeitherAPInoranyofAPIsemployees,subcontractors,consultan

3、ts,committees,orotherassigneesmakeanywarrantyorrepresentation,eitherexpressorimplied,withrespecttotheaccuracy,completeness,orusefulnessoftheinformationcontainedherein,orassumeanyliabilityorresponsibilityforanyuse,ortheresultsofsuchuse,ofanyinformationorprocessdisclosedinthispublication.NeitherAPInor

4、anyofAPIsemployees,subcontractors,consultants,orotherassigneesrepresentthatuseofthispublicationwouldnotinfringeuponprivatelyownedrights.APIpublicationsmaybeusedbyanyonedesiringtodoso.EveryefforthasbeenmadebytheInstitutetoassuretheaccuracyandreliabilityofthedatacontainedinthem;however,theInstitutemak

5、esnorepresentation,warranty,orguaranteeinconnectionwiththispublicationandherebyexpresslydisclaimsanyliabilityorresponsibilityforlossordamageresultingfromitsuseorfortheviolationofanyauthoritieshavingjurisdictionwithwhichthispublicationmayconflict.APIpublicationsarepublishedtofacilitatethebroadavailab

6、ilityofproven,soundengineeringandoperatingpractices.Thesepublicationsarenotintendedtoobviatetheneedforapplyingsoundengineeringjudgmentregardingwhenandwherethesepublicationsshouldbeutilized.TheformulationandpublicationofAPIpublicationsisnotintendedinanywaytoinhibitanyonefromusinganyotherpractices.Any

7、manufacturermarkingequipmentormaterialsinconformancewiththemarkingrequirementsofanAPIstandardissolelyresponsibleforcomplyingwithalltheapplicablerequirementsofthatstandard.APIdoesnotrepresent,warrant,orguaranteethatsuchproductsdoinfactconformtotheapplicableAPIstandard.Allrightsreserved.Nopartofthiswo

8、rkmaybereproduced,translated,storedinaretrievalsystem,ortransmittedbyanymeans,electronic,mechanical,photocopying,recording,orotherwise,withoutpriorwrittenpermissionfromthepublisher.ContactthePublisher,APIPublishingServices,200MassachusettsAvenue,NW,Suite1100,Washington,DC20001.Copyright2009AmericanP

9、etroleumInstituteForewordThisspecificationisbasedontheexperienceacquiredduringthedesign,construction,operationandmaintenanceofoffshoreprocessingunitsandpermanentfacilities,assupplementedwiththeexperienceofoperatingcompanieswithtopsides,fixedplatforms,floatingstructures(e.g.TLPs3spars,andthelike),and

10、theirtendonsandrisers.Castingsintheseapplicationstendtobelimitedproductioncomponents,withrelativelyfewreplications,andreceivemoreintensescrutinythanroutinemassproductionruns.Whereappropriate,thisspecificationisbasedon,orreferenceismadeto,international,regional,nationalandindustrystandards.Thisisaman

11、ufacturingspecificationforthecastingitself.Itisanticipatedthatgeometricdesignforbothservicerequirementsandcastingfeasibilitywillhavebeenagreedcollectivelybetweenthecontractor,manufacturer,andpurchaserbeforethisspecificationisinvoked.Attendantissuesregardingsystemreliability,geometricdesign,incorpora

12、tionintotheoverallconstruction,operation,andmaintenancearenotaddressedhere.Thoseelectingtousethisspecificationasareferencefortheirneededlevelofperformancequalityshouldcarefullyconsideralltheseattendantissues.Whencontractorsormaufacturerssuppliersusethisspecificationtheyshouldbesolelyresponsibleforth

13、equalityofworkandtheattainmentoftherequireddesignandengineeringstandards.Inparticular,forthoserequirementsnotspecificallycovered,thepurchaserwillexpectthemtofollowthosedesignandengineeringpracticeswhichwillachievethesamelevelofintegrityasreflectedintheirbestproduction.Ifindoubt,thecontractorormanufa

14、cturer/suppliershould,withoutdetractingfromhisownresponsibility,consultthepurchaseroritstechnicaladvisor.Thepurchasermaythennegotiatewiththeauthoritiesconcernedwiththeobjectofobtainingagreementtofollowthisspecificationascloselyaspossible.NothingcontainedinanyAPIpublicationistobeconstruedasgrantingan

15、yright,byimplicationorotherwise,forthemanufacture,sale,oruseofanymethod,apparatus,orproductcoveredbyletterspatent.Neithershouldanythingcontainedinthepublicationbeconstruedasinsuringanyoneagainstliabilityforinfringementofletterspatent.ThisdocumentwasproducedunderAPIstandardizationproceduresthatensure

16、appropriatenotificationandparticipationinthedevelopmentalprocessandisdesignatedasanAPIstandard.QuestionsconcerningtheinterpretationofthecontentofthispublicationorcommentsandquestionsconcerningtheproceduresunderwhichthispublicationwasdevelopedshouldbedirectedinwritingtotheDirectorofStandards3AmericanPetroleumInstitute5200MassachusettsAvenue5NW3Suite1100,Washington5DC20001.Request