2024年3月17日发(作者：左丘萍雅)
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Designation:A903/A903M–99(Reapproved2003)
StandardSpecificationfor
SteelCastings,SurfaceAcceptanceStandards,Magnetic
ParticleandLiquidPenetrantInspection
1
ThisstandardisissuedunderthefixeddesignationA903/A903M;thenumberimmediatelyfollowingthedesignationindicatestheyear
oforiginaladoptionor,inthecaseofrevision,rinparenthesesindicatestheyearoflastreapproval.
Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.
1.1Thisspecificationcoversacceptancecriteriaforthe
surfaceinspectionofsteelcastingswhennondestructively
examinedbymagneticparticleorliquidpenetrantinspection.
1.2Thisspecificationistobeusedwherevertheinquiry,
contract,order,orspecificationstatesthattheacceptance
standardsformagneticparticleorliquidpenetrantinspection
shallbeinaccordancewithSpecificationA903/A903M.
1.3Thevaluesstatedineitherinch-poundunitsorSIunits
thetexttheSI
uesstatedineachsystem
arenotexactequivalents;thereforeeachsystemmustbeused
ingvaluesfromthetwo
systemsmayresultinanonconformancewiththisspecifica-
tion.
ncedDocuments
2.1ASTMStandards:
E165TestMethodforLiquidPenetrantExamination
2
E709GuideforMagneticParticleExamination
2
ology
3.1Definitions:
3.1.1linearindications—anindicationwhoselengthis
equaltoorgreaterthanthreetimesitswidthshallbeclassified
asalinearindication.
3.1.2nonlinearindications—anindicationwhoselengthis
lessthanthreetimesitswidthshallbeclassifiedasnonlinear.
3.1.3relevantindications—relevantindicationsareindica-
di-
cationswhosemajordimensionexceeds
1
⁄
16
in.[1.6mm]shall
beconsideredrelevant.
ngInformation
4.1Theinquiryandordershouldindicatethefollowing
information:
4.1.1NondestructivePractice—PracticeE165forliquid
penetrantinspectionorGuideE709formagneticparticle
aspecifictechniquewithinapracticeis
specified,thechoiceshallbetheoptionofthemanufacturer.
4.1.2PersonnelQualifications.
4.1.3ExtentofInspection—Thenumberofcastingsandthe
extentofcastingsurfacestobeexamined.
4.1.4AcceptanceLevel—Ifmorethanoneacceptancelevel
isspecifiedfordifferentlocations,anondestructivetestdraw-
ingidentifyingacceptancelevelsandlocationsshouldaccom-
panytheinquiryandorder.
4.1.5SupplementaryRequirements,ifany.
nelQualifications
5.1Personnelperformingexaminationshallbequalifiedin
accordancewithanacceptablewrittenprocedureasagreed
uponbetweenthepurchaserandmanufacturer.
tionofIndications
6.1Allrelevantindicationsshallbeevaluatedintermsof
theacceptancecriteria.
6.2Mechanicaldiscontinuitiesareindicatedbybleed-outof
thepenetrantorretentionofthemagneticparticleexamination
r,falseindicationsmaybeproducedby
localizedsurfaceirregularities,metallurgicaldiscontinuities,or
icationinexcessof
theacceptancecriteriawhichisbelievedtobefalsemaybe
econditioningmayprecedereexamination.
Whenagreeduponbetweenthemanufacturerandpurchaser,
theliquidpenetrantmethodmaybeusedtoverifythepresence
ofsurfacediscontinuitieswhichhadbeenpreviouslyindicated
bythemagneticparticlemethod.
6.3Broadareasoffluorescence,pigmentation,orparticle
accumulationwhichmaymaskindicationsofdiscontinuities
areunacceptable,andsuchareaswillbecleanedandreexam-
ined.
ThisspecificationisunderthejurisdictionofASTMCommitteeA01onSteel,
StainlessSteel,andRelatedAlloysandisthedirectresponsibilityofSubcommittee
A01.18onCastings.
CurrenteditionapprovedOct.1,ally
eviouseditionapprovedin1999asA903/A903M-99.
2
AnnualBookofASTMStandards,Vol03.03.
1
Copyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,UnitedStates.
1
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免费标准网() 标准最全面
anceCriteria
7.1Individualrelevantlinearandnonlinearindications
exceedingthespecifiedacceptancelevelsinTable1are
unacceptable.
7.2Tenormorerelevantindications,althoughindividually
acceptable,arecollectivelyunacceptablewhentheyoccurin
any6in.
2
[38.7cm.
2
]ofcastingsurface,withthemajor
dimensionofthisareanottoexceed6in.[152mm]takenin
themostunfavorableorientationrelativetotheindications
beingevaluated.
7.3WhenthecastingsurfaceisbeinginspectedtoAccep-
tanceLevelsI,II,orIIIthefollowingrelevantindications,
althoughindividuallyacceptablearecollectivelyunacceptable
whentheyaregroupedasdescribedin7.3.1and7.3.2.
TABLE1SurfaceInspectionAcceptanceCriteriaIndicationSize,
in.[mm]
Type
Linear
Nonlinear
1
16
7.3.1Fourormoreinaline,separatedby
1
⁄
16
in.[1.6mm]
orlessedge-to-edge.
7.3.2Fourormorethatareclusteredandindividually
separatedfromthenearestadjoiningindicationby
1
⁄
16
in.[1.6
mm]orlessedge-to-edge.
7.4WhenthecastingsurfaceisbeinginspectedtoAccep-
tanceLevelsIVorV,individuallyacceptablerelevantindica-
tionsgroupedasdescribedin7.3.1and7.3.2shallbeconsid-
eredasinglerelevantlinearandnonlinearindication
respectively,andbeevaluatedinaccordancewith7.1.
fication
8.1Themanufacturershallcertifythatinspectionwas
performedinaccordancewiththeappropriatepractice(Prac-
ticeE165forliquidpenetrantinspectionorGuideE709for
magneticparticleinspection)andthatthepartswerefoundto
meettherequirementsofthespecifiedinspectionlevelof
SpecificationA903/A903M(includingyear-date).
8.2Whencertifiedtestreportsarerequiredbythepurchaser,
SupplementaryRequirementS1shallbespecified.
LevelI
⁄[1.6]
1
⁄
8
[3.2]
LevelII
1
⁄
8
[3.2]
3
⁄
16
[4.8]
3
16
LevelIII
⁄[4.8]
3
⁄
16
[4.8]
LevelIV
1
⁄
4
[6.4]
1
⁄
4
[6.4]
3
8
LevelV
⁄[9.5]
3
⁄
8
[9.5]
SUPPLEMENTARYREQUIREMENTS
Thefollowingsupplementaryrequirementsshallapplyonlywhenspecifiedbythepurchaserinthe
contractororder.
fiedTestReports
S1.1Acertifiedtestreportshallbefurnishedbythemanu-
facturer,listingthefollowingasaminimum:
S1.1.1Customername,
S1.1.2Purchaseordernumber,
S1.1.3Material,
S1.1.4Descriptionofpart,
S1.1.5Vendorname,
S1.1.6NDEprocedure,
S1.1.7Acceptancecriteria,
S1.1.8Vendorcontrolnumber,
S1.1.9Nameofinspector,and
S1.1.10Inspectorqualificationlevel.
ASTMInternationaltakesnopositionrespectingthevalidityofanypatentrightsassertedinconnectionwithanyitemmentioned
fthisstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtherisk
ofinfringementofsuchrights,areentirelytheirownresponsibility.
Thisstandardissubjecttorevisionatanytimebytheresponsibletechnicalcommitteeandmustbereviewedeveryfiveyearsand
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
().
免费标准网() 无需注册 即可下载
2024年3月17日发(作者：左丘萍雅)
免费标准网() 标准最全面
Designation:A903/A903M–99(Reapproved2003)
StandardSpecificationfor
SteelCastings,SurfaceAcceptanceStandards,Magnetic
ParticleandLiquidPenetrantInspection
1
ThisstandardisissuedunderthefixeddesignationA903/A903M;thenumberimmediatelyfollowingthedesignationindicatestheyear
oforiginaladoptionor,inthecaseofrevision,rinparenthesesindicatestheyearoflastreapproval.
Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.
1.1Thisspecificationcoversacceptancecriteriaforthe
surfaceinspectionofsteelcastingswhennondestructively
examinedbymagneticparticleorliquidpenetrantinspection.
1.2Thisspecificationistobeusedwherevertheinquiry,
contract,order,orspecificationstatesthattheacceptance
standardsformagneticparticleorliquidpenetrantinspection
shallbeinaccordancewithSpecificationA903/A903M.
1.3Thevaluesstatedineitherinch-poundunitsorSIunits
thetexttheSI
uesstatedineachsystem
arenotexactequivalents;thereforeeachsystemmustbeused
ingvaluesfromthetwo
systemsmayresultinanonconformancewiththisspecifica-
tion.
ncedDocuments
2.1ASTMStandards:
E165TestMethodforLiquidPenetrantExamination
2
E709GuideforMagneticParticleExamination
2
ology
3.1Definitions:
3.1.1linearindications—anindicationwhoselengthis
equaltoorgreaterthanthreetimesitswidthshallbeclassified
asalinearindication.
3.1.2nonlinearindications—anindicationwhoselengthis
lessthanthreetimesitswidthshallbeclassifiedasnonlinear.
3.1.3relevantindications—relevantindicationsareindica-
di-
cationswhosemajordimensionexceeds
1
⁄
16
in.[1.6mm]shall
beconsideredrelevant.
ngInformation
4.1Theinquiryandordershouldindicatethefollowing
information:
4.1.1NondestructivePractice—PracticeE165forliquid
penetrantinspectionorGuideE709formagneticparticle
aspecifictechniquewithinapracticeis
specified,thechoiceshallbetheoptionofthemanufacturer.
4.1.2PersonnelQualifications.
4.1.3ExtentofInspection—Thenumberofcastingsandthe
extentofcastingsurfacestobeexamined.
4.1.4AcceptanceLevel—Ifmorethanoneacceptancelevel
isspecifiedfordifferentlocations,anondestructivetestdraw-
ingidentifyingacceptancelevelsandlocationsshouldaccom-
panytheinquiryandorder.
4.1.5SupplementaryRequirements,ifany.
nelQualifications
5.1Personnelperformingexaminationshallbequalifiedin
accordancewithanacceptablewrittenprocedureasagreed
uponbetweenthepurchaserandmanufacturer.
tionofIndications
6.1Allrelevantindicationsshallbeevaluatedintermsof
theacceptancecriteria.
6.2Mechanicaldiscontinuitiesareindicatedbybleed-outof
thepenetrantorretentionofthemagneticparticleexamination
r,falseindicationsmaybeproducedby
localizedsurfaceirregularities,metallurgicaldiscontinuities,or
icationinexcessof
theacceptancecriteriawhichisbelievedtobefalsemaybe
econditioningmayprecedereexamination.
Whenagreeduponbetweenthemanufacturerandpurchaser,
theliquidpenetrantmethodmaybeusedtoverifythepresence
ofsurfacediscontinuitieswhichhadbeenpreviouslyindicated
bythemagneticparticlemethod.
6.3Broadareasoffluorescence,pigmentation,orparticle
accumulationwhichmaymaskindicationsofdiscontinuities
areunacceptable,andsuchareaswillbecleanedandreexam-
ined.
ThisspecificationisunderthejurisdictionofASTMCommitteeA01onSteel,
StainlessSteel,andRelatedAlloysandisthedirectresponsibilityofSubcommittee
A01.18onCastings.
CurrenteditionapprovedOct.1,ally
eviouseditionapprovedin1999asA903/A903M-99.
2
AnnualBookofASTMStandards,Vol03.03.
1
Copyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,UnitedStates.
1
免费标准网() 无需注册 即可下载
免费标准网() 标准最全面
anceCriteria
7.1Individualrelevantlinearandnonlinearindications
exceedingthespecifiedacceptancelevelsinTable1are
unacceptable.
7.2Tenormorerelevantindications,althoughindividually
acceptable,arecollectivelyunacceptablewhentheyoccurin
any6in.
2
[38.7cm.
2
]ofcastingsurface,withthemajor
dimensionofthisareanottoexceed6in.[152mm]takenin
themostunfavorableorientationrelativetotheindications
beingevaluated.
7.3WhenthecastingsurfaceisbeinginspectedtoAccep-
tanceLevelsI,II,orIIIthefollowingrelevantindications,
althoughindividuallyacceptablearecollectivelyunacceptable
whentheyaregroupedasdescribedin7.3.1and7.3.2.
TABLE1SurfaceInspectionAcceptanceCriteriaIndicationSize,
in.[mm]
Type
Linear
Nonlinear
1
16
7.3.1Fourormoreinaline,separatedby
1
⁄
16
in.[1.6mm]
orlessedge-to-edge.
7.3.2Fourormorethatareclusteredandindividually
separatedfromthenearestadjoiningindicationby
1
⁄
16
in.[1.6
mm]orlessedge-to-edge.
7.4WhenthecastingsurfaceisbeinginspectedtoAccep-
tanceLevelsIVorV,individuallyacceptablerelevantindica-
tionsgroupedasdescribedin7.3.1and7.3.2shallbeconsid-
eredasinglerelevantlinearandnonlinearindication
respectively,andbeevaluatedinaccordancewith7.1.
fication
8.1Themanufacturershallcertifythatinspectionwas
performedinaccordancewiththeappropriatepractice(Prac-
ticeE165forliquidpenetrantinspectionorGuideE709for
magneticparticleinspection)andthatthepartswerefoundto
meettherequirementsofthespecifiedinspectionlevelof
SpecificationA903/A903M(includingyear-date).
8.2Whencertifiedtestreportsarerequiredbythepurchaser,
SupplementaryRequirementS1shallbespecified.
LevelI
⁄[1.6]
1
⁄
8
[3.2]
LevelII
1
⁄
8
[3.2]
3
⁄
16
[4.8]
3
16
LevelIII
⁄[4.8]
3
⁄
16
[4.8]
LevelIV
1
⁄
4
[6.4]
1
⁄
4
[6.4]
3
8
LevelV
⁄[9.5]
3
⁄
8
[9.5]
SUPPLEMENTARYREQUIREMENTS
Thefollowingsupplementaryrequirementsshallapplyonlywhenspecifiedbythepurchaserinthe
contractororder.
fiedTestReports
S1.1Acertifiedtestreportshallbefurnishedbythemanu-
facturer,listingthefollowingasaminimum:
S1.1.1Customername,
S1.1.2Purchaseordernumber,
S1.1.3Material,
S1.1.4Descriptionofpart,
S1.1.5Vendorname,
S1.1.6NDEprocedure,
S1.1.7Acceptancecriteria,
S1.1.8Vendorcontrolnumber,
S1.1.9Nameofinspector,and
S1.1.10Inspectorqualificationlevel.
ASTMInternationaltakesnopositionrespectingthevalidityofanypatentrightsassertedinconnectionwithanyitemmentioned
fthisstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtherisk
ofinfringementofsuchrights,areentirelytheirownresponsibility.
Thisstandardissubjecttorevisionatanytimebytheresponsibletechnicalcommitteeandmustbereviewedeveryfiveyearsand
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
().
免费标准网() 无需注册 即可下载