上证早知道338(a338)

廖英强新浪博客宁夏卫视第一财经直播通达信普天同庆163803|破发股|1500052021年4月26日发(作者：中航国际参加2017年莫斯科航展深天马A(000050))

Designation:A338–84(Reapproved2004)
StandardSpeci?cationfor
MalleableIronFlanges,PipeFittings,andValvePartsfor
Railroad,Marine,andOtherHeavyDutyServiceat
TemperaturesUpto650°F(345°C)
1
Thisstandardisissuedunderthe?xeddesignationA338;thenumberimmediatelyfollowingthedesignationindicatestheyearof
originaladoptionor,inthecaseofrevision,rinparenthesesindicatestheyearoflastreapproval.A
superscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.

1.1Thisspeci?cationcoversmalleableiron?anges,pipe
?ttings,andvalveparts,includingpartstobeassembledforuse
inrailroad,marine,andotherheavydutyserviceapplications
where?ttingsfurnishedinaccordancewithAmericanNational
StandardforMalleableIronThreadedFittings,Class150and
300(ANSIB16.3)arenotconsideredadequate.
1.2Serviceshallincludeupto650°F(345°C).
2
ncedDocuments
2.1ASTMStandards:
3
A47Speci?cationforFerriticMalleableIronCastings
A153Speci?cationforZincCoating(Hot-Dip)onIronand
SteelHardware
2.2AmericanNationalStandards:
4
B2.1PipeThreads
B16.3MalleableIronThreadedFittings,Class150and300
2.3OtherStandards:
HandBookH28,SectionVI,Screw-ThreadStandardsfor
FederalServices,1944
5
SP-25-1936StandardMarkingSystemforValves,Fittings,
Flanges,andUnions
6
s
3.1ThecastingsshallbemadeinaccordancewithSpeci?-
cationA47.
Thisspeci?cationisunderthejurisdictionofASTMCommitteeA04onIron
CastingsandisthedirectresponsibilityofSubcommitteeA04.02onMalleableand
DuctileIronCastings.
CurrenteditionapprovedMay1,ally
eviouseditionapprovedin1998asA338–84(1998).
2
BasedonMarshall,L.C.,andSommer,G.F.,“StressRupturePropertiesof
MalleableIronatElevatedTemperatures,”Proceedings,ASTMInternational,Vol
58,1958,p.733.
3
ForreferencedASTMstandards,visittheASTMwebsite,,or
contactASTMCustomerServiceatservice@ualBookofASTM
Standardsvolumeinformation,refertothestandard’sDocumentSummarypageon
theASTMwebsite.
4
AvailablefromAmericanNationalStandardsInstitute(ANSI),25W.43rdSt.,
4thFloor,NewYork,NY10036.
5
AvailablefromNationalInstituteofStandardsandTechnology(NIST),100601628资金流向
BureauDr.,Stop3460,Gaithersburg,MD20899-3460.
6
AvailablefromManufacturersStandardizationSocietyoftheValveandFittings
Industry(MSS),127ParkSt.,NE,Vienna,VA22180-4602.
1
alsandManufacture
4.1Thesizes,shapes,anddimensionsofthe?ttings,cov-
eredbyANSIB16.3shallconformtotherequirementstherein
speci?ed.
4.2Screwedpipe?ttings,unions,union?ttings,andglobe
andanglevalvesthatarecoveredbythevariousstandardsand
recommendedpracticesasissuedbytheAssociationofAmeri-
canRailroadsshallconformtotherequirementsthereinspeci-
?ed.
4.3Allpipethreads,unlessotherwisespeci?ed,shallbein
accordancewithANSIB2.1.(Standardsforpipethreadsare
alsoavailableinSectionVIofScrew-ThreadStandardsfor
FederalServices.)
4.4Zinccoatingson?ttingswhicharerequiredtobe
galvanizedbythehot-dipprocessshallconformtotherequire-
mentsforClassAcastingsasprescribedinSpeci?cationA153,
exceptonsurfaceswhereitisthepracticetomachineafter
galvanizing.
ctureControlandRecords
5.1Theironshallbeproducedunderconstantcontrolof
softhe
chemicalcompositionoftheironandofthephysicalproperties
ofthetestspecimensshallbesystematicallymadeandmain-
tained.

6.1Testsshallbemadewhenrequiredbythespeci?cations
listedherein.
?cation
7.1Themanufacturershallbepreparedtocertify,upon
requestofthepurchaser,thathisproductconformstothe
requirementsofthisspeci?cation.
tMarking
8.1Thecastingsshallbemarkedwiththemanufacturer’s
nameortrademark.
8.2Malleableironproductsconformingtothestandardsof
theManufacturersStandardizationSocietyoftheValveand
FittingsIndustryshallbemarkedinaccordancewithSP-25-
bleironproductsfurnishedin
Copyright?ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,UnitedStates.
1

accordancewiththestandardsissuedbytheAmericanStan-
dardsAssociationorbytheAssociationofAmericanRailroads
shallbemarkedasspeci?edintherespectivestandards.
ds
9.1?anges;heavydutyservice;malleableiron;marine
service;pipe?ttings;railroadservice;valveparts修正药业股票代码
ASTMInternationaltakesnopositionrespectingthevalidityofanypatentrightsassertedinconnectionwithanyitemmentioned
fthisstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtherisk
ofinfringementofsuchrights,areentirelytheirownresponsibility.
Thisstandardissubjecttorevisionatanytimebytheresponsibletechnicalcommitteeandmustbereviewedevery?veyearsand
ifnotrevised,mmentsareinvitedeitherforrevisionofthisstandardorforadditionalstandards
mmentswillreceivecarefulconsiderationatameetingofthe
responsibletechnicalcommittee,eelthatyourcommentshavenotreceivedafairhearingyoushould
makeyourviewsknowntotheASTMCommitteeonStandards,attheaddressshownbelow.
ThisstandardiscopyrightedbyASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,
dualreprints(singleormultiplecopies)ofthisstandardmaybeobtainedbycontactingASTMattheabove
addressorat610-832-9585(phone),610-832-9555(fax),orservice@(e-mail);orthroughtheASTMwebsite
().

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