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1、SEMIF440699?SEMI19991SEMIF440699GUIDELINEFSTARDIZATIONOFMACHINEDSTAINLESSSTEELWELDFITTINGSThisguidelinewastechnicallyapprovedbytheGlobalFacilitiesCommitteeisthedirectresponsibilityoftheJapaneseFacilitiesCommittee.Current
2、editionapprovedbytheJapaneseRegionalStardsCommitteeonMarch171999.InitiallyavailableonSEMIOnLineMay1999tobepublishedJune1999.1Purpose1.1Thepurposeofthisguidelineistopreventconfusionamongthemanufacturersofstainlesssteelwel
3、dfittingspipingfabricatsenduserstostardizethedimensionsofweldfittings.2Scope2.1Thisguidelineappliesto6.35mm(14in.)9.53mm(38in.)12.7mm(12in.)themachinedstainlesssteelweldfittingselbowsteesmadefuseinthesemiconductindustry.
4、3ReferencedDocuments3.1None.4Terminology4.1elbowweldfittings?machinedfittingsshapedliketheletter“L“fweldingtubesinarightangle.(seeFigure1)4.2teeweldfittings?machinedfittingsshapedliketheletter“T“fweldingtubesinaTshape.(s
5、eeFigure2)4.3weldfittings?machinedfittingstobeweldedweldedfittings.Figure1ElbowWeldFittingsFigure2TeeWeldFittings5DimensionsofWeldFittings5.1ElbowWeldFittings(seeFigures3A3B)5.2TeeWeldFittings(seeFigures4A4B)Figure3ADime
6、nsionsofElbowWeldFittingsNOTE1:Machinedtubeweldendsshallbesquaretolerance0.5.NOTE2:Intersectionshallbesquaretolerance0.5.SEMIF440699?SEMI19993CopyrightbySEMI(SemiconductEquipmentMaterialsInternational)805EastdlefieldRoad
7、MountainViewCA94043.ReproductionofthecontentsinwholeinpartisfbiddenwithoutexpresswrittenconsentofSEMI.Figure5BMarkingApplicationExample7OutsideDiameterTolerance7.1TheOutsideDiametertoleranceof6.35mm(14in.)9.53mm(38in.)12
8、.7mm(12in.)is0.1mm0.0mm(0.004in.0.000in.).8WallThicknessofTubeEnd8.1Wallthicknessoftubeendshouldbeeither1mm(0.039in.)0.89mm(0.035in.)1.24mm(0.049in.)thethicknessshouldbemarkedontheweldfittingbodyitspackage.Wallthicknesst
9、oleranceis8%.Table1DimensionsToleranceNominalDiameterdABCD6.35(14)6.35(0.25)6.350.10.05(0.250.0040.002)10.30.1(0.40550.004)20.60.1(0.8110.004)14.250.1(0.5610.004)9.53(38)9.53(0.375)6.350.10.05(0.250.0040.002)11.90.1(0.46
10、850.004)23.80.1(0.9370.004)17.450.1(0.6870.004)12.7(12)12.7(0.5)6.350.10.05(0.250.0040.002)13.50.1(0.53150.004)27.00.1(1.0630.004)20.650.1(0.8130.004)Dimensions:mm(in.)NOTICE:Thesestardsdonotpurpttoaddresssafetyissuesifa
11、nyassociatedwiththeiruse.Itistheresponsibilityoftheuserofthesestardstoestablishappropriatesafetyhealthpracticesdeterminetheapplicabilityofregulatylimitationspritouse.SEMImakesnowarrantiesrepresentationsastothesuitability
12、ofthestardssetfthhereinfanyparticularapplication.Thedeterminationofthesuitabilityofthestardissolelytheresponsibilityoftheuser.Usersarecautionedtorefertomanufacturersinstructionsproductlabelsproductdatasheetsotherrelevant
13、literaturerespectinganymaterialsmentionedherein.Thesestardsaresubjecttochangewithoutnotice.Theusersattentioniscalledtothepossibilitythatcompliancewiththisstardmayrequireuseofcopyrightedmaterialofaninventioncoveredbypaten
14、trights.BypublicationofthisstardSEMItakesnopositionrespectingthevalidityofanypatentrightscopyrightsassertedinconnectionwithanyitemmentionedinthisstard.Usersofthisstardareexpresslyadvisedthatdeterminationofanysuchpatentri
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