BS EN 14351997 A1A2焊缝的无损试验焊接点的辐射检验可编辑.docx

BS EN 14351997 A1A2焊缝的无损试验焊接点的辐射检验可编辑.docx

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BSEN14351997A1A2焊缝的无损试验焊接点的辐射检验可编辑

BSEN1435-1997+A1A2-2003焊缝的无损试验-焊接点的辐射检验

BSEN

BRITISHSTANDARD

1435:

1997

Incorporating

CorrigendumNo.1

andAmendments

Nos.1and2

Non-destructivetesting

ofwelds?

Radiographictestingof

weldedjoints

焊接的无损试验?

?

焊接点的辐射检验

TheEuropeanStandardEN1435:

1997,withtheincorporationof

amendmentsA1:

2002andA2:

2003,hasthestatusofaBritishStandard

ICS25.160.40

//.BSEN1435:

1997

Nationalforeword

ThisBritishStandardistheEnglishlanguageversionofEN1435:

1997,

includingamendmentsA1:

2002andA2:

2003.ItsupersedesBS2600-1:

1983,

BS2600-2:

1973,BS2910:

1986andBS7257:

1989,whicharewithdrawn.

Thestartandfinishoftextintroducedoralteredbyamendmentisindicatedin

thetextbytags!

".TagsindicatingchangestoCENtextcarrythenumber

oftheCENamendment.Forexample,textalteredbyCENamendmentA1is

indicatedby!

".

AsagreedbyCEN/TC121/SC5resolution134/2000andinaccordancewith

amendmentA1:

2002,theterm“examination”hasbeenreplacedby“testing”

throughoutthedocument.

TheUKparticipationinitspreparationwasentrustedtoTechnicalCommittee

WEE/46,Non-destructivetesting,whichhastheresponsibilityto:

?

aidenquirerstounderstandthetext;?

presenttotheresponsibleEuropeancommitteeanyenquiriesonthe

interpretation,orproposalsforchange,andkeeptheUKinterests

informed;?

monitorrelatedinternationalandEuropeandevelopmentsand

promulgatethemintheUK

Alistoforganizationsrepresentedonthiscommitteecanbeobtainedon

requesttoitssecretary.

Cross-references

TheBritishStandardswhichimplementinternationalorEuropean

publicationsreferredtointhisdocumentmaybefoundintheBSICatalogue

underthesectionentitled“InternationalStandardsCorrespondenceIndex”,or

byusingthe“Search”facilityoftheBSIElectronicCatalogueorof

BritishStandardsOnline.

Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofa

contract.Usersareresponsibleforitscorrectapplication.

CompliancewithaBritishStandarddoesnotofitselfconferimmunity

fromlegalobligations.

Summaryofpages

Thisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,

pages2to33andabackcover.

TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthe

documentwaslastissued.

ThisBritishStandard,having

beenpreparedunderthe

Amendmentsissuedsincepublication

directionoftheEngineering

SectorBoard,waspublished

undertheauthorityoftheAmd.No.DateComments

StandardsBoardandcomes

intoeffecton

10616August1999CorrectiontoTable2

15December1997

CorrigendumNo.1BSI15March2004

1398515November2002Seenationalforeword

1493815March2004Changestoforewordanddeletionof

AnnexZA

ISBN0580289133

//.EUROPEANSTANDARD

EN1435

August1997

NORMEEUROP?

ENNE

+A1

May2002

EUROP?

ISCHENORM

+A2

December2003

ICS25.160.40

Descriptors:

Weldedjoints,fusionwelding,buttwelds,qualitycontrol,non-destructivetests,radiographicanalysis,setting-up

conditionsEnglishversion

Non-destructivetestingofwelds?

Radiographictestingofweldedjoints

includesamendmentsA1:

2002andA2:

2003

Contr?

lenondestructifdesassemblagesZerst?

rungsfreiePrüfungvonsoudés?

Schwei?

verbindungen?

Contr?

leparradiographiedesassemblagesDurchstrahlungsprüfungvon

soudésSchmelzschwei?

ungen

inclutlesamendementsA1:

2002etA2:

2003enth?

lt?

nderungenA1:

2002undA2:

2003

ThisEuropeanStandardwasapprovedbyCENon1997-08-02.AmendmentA1

wasapprovedbyCENon2002-05-05;amendmentA2wasapprovedbyCEN

on2003-11-20.CENmembersareboundtocomplywiththeCEN/CENELEC

InternalRegulationswhichstipulatetheconditionsforgivingthisEuropean

Standardthestatusofanationalstandardwithoutanyalteration.

Up-to-datelistsandbibliographicalreferencesconcerningsuchnational

standardsmaybeobtainedonapplicationtotheCentralSecretariatortoany

CENmember.ThisEuropeanStandardexistsinthreeofficialversionsEnglish,

French,German.Aversioninanyotherlanguagemadebytranslationunder

theresponsibilityofaCENmemberintoitsownlanguageandnotifiedtothe

CentralSecretariathasthesamestatusastheofficialversions.

CENmembersarethenationalstandardsbodiesofAustria,Belgium,Czech

Republic,Denmark,Finland,France,Germany,Greece,Hungary,Iceland,

Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,

Spain,Sweden,SwitzerlandandUnitedKingdom.

CEN

EuropeanCommitteeforStandardization

ComitéEuropéendeNormalisation

Europ?

ischesKomiteefürNormung

CentralSecretariat:

ruedeStassart36,B-1050Brussels1997CEN?

AllrightsofexploitationinanyformandbyanymeansreservedworldwideforCEN

nationalmembers.

Ref.No.EN1435:

1997+A1:

2002+A2:

2003E

//.EN1435:

1997

ForewordForewordtoamendmentA2

ThisEuropeanStandardhasbeenpreparedbyThisdocumentEN1435:

1997/A2:

2003hasbeen

TechnicalCommitteeCEN/TC121,Welding,thepreparedbyTechnicalCommitteeCEN/TC121,

SecretariatofwhichisheldbyDS.Welding,theSecretariatofwhichisheldbyDS.

ThisEuropeanStandardshallbegiventhestatusofThisamendmenttotheEuropeanStandard

anationalstandard,eitherbypublicationofanEN1435:

1997shallbegiventhestatusofanational

identicaltextorbyendorsement,atthelatestbystandard,eitherbypublicationofanidenticaltext

February1998,andconflictingnationalstandardsorbyendorsement,atthelatestbyJune2004,and

shallbewithdrawnatthelatestbyFebruary1998.conflictingnationalstandardsshallbewithdrawn

atthelatestbyJune2004Thisdocumenthasbeenpreparedunderamandate

giventoCENbytheEuropeanCommissionandtheThisdocumenthasbeenpreparedunderamandate

EuropeanFreeTradeAssociation.giventoCENbytheEuropeanCommissionandthe

EuropeanFreeTradeAssociation.

AccordingtotheCEN/CENELECInternal

Regulations,thenationalstandardsorganizationsAccordingtotheCEN/CENELECInternal

ofthefollowingcountriesareboundtoimplementRegulations,thenationalstandardsorganizations

thisEuropeanStandard:

Austria,Belgium,Czechofthefollowingcountriesareboundtoimplement

Republic,Denmark,Finland,France,Germany,thisEuropeanStandard:

Austria,Belgium,Czech

Greece,Iceland,Ireland,Italy,Luxembourg,Republic,Denmark,Finland,France,Germany,

Netherlands,Norway,Portugal,Spain,Sweden,Greece,Hungary,Iceland,Ireland,Italy,

SwitzerlandandtheUnitedKingdom.Luxembourg,Malta,Netherlands,Norway,

Portugal,Slovakia,Spain,Sweden,Switzerlandand

theUnitedKingdom.

ForewordtoamendmentA1

ThisdocumentEN1435:

1997/A1:

2002hasbeen

preparedbyTechnicalCommitteeCEN/TC121,

Welding,theSecretariatofwhichisheldbyDS.

ThisamendmenttotheEuropeanStandard

EN1435:

1997shallbegiventhestatusofanational

standard,eitherbypublicationofanidenticaltext

orbyendorsement,atthelatestbyNovember2002,

andconflictingnationalstandardsshallbe

withdrawnatthelatestbyNovember2002.

Thisdocumenthasbeenpreparedunderamandate

giventoCENbytheEuropeanCommissionandthe

EuropeanFreeTradeAssociation,andsupports

essentialrequirementsofEUDirectives.

AnnexAandAnnexBarenormative.

AccordingtotheCEN/CENELECInternal

Regulations,thenationalstandardsorganizations

ofthefollowingcountriesareboundtoimplement

thisEuropeanStandard:

Austria,Belgium,Czech

Republic,Denmark,Finland,France,Germany,

Greece,Iceland,Ireland,Italy,Luxembourg,Malta

Netherlands,Norway,Portugal,Spain,Sweden,

SwitzerlandandtheUnitedKingdom.

2BSI15March2004

//.EN1435:

1997

Page

Contents

6Recommendedtechniquesformaking

Pageradiographs8

Foreword2

6.1Testarrangements8

1Scope5

6.2Choiceoftubevoltageandradiation

2Normativereferences5source15

3Definitions5

6.3Filmsystemsandscreens17

3.1nominalthickness,t5

6.4Alignmentofbeam19

3.2penetratedthickness,w5

6.5Reductionofscatteredradiation19

3.3object-to-filmdistance,b6

6.6Source-to-objectdistance19

3.4sourcesize,d6

6.7imumareaforasingleexposure20

3.5source-to-filmdistanceSFD6

6.8Densityofradiograph21

3.6source-to-objectdistance,f6

6.9Processing22

3.7diameter,D6

e

6.10Filmviewingconditions22

4Classificationofradiographictechniques6

7Testreport22

5General6

AnnexAnormativeRecommendednumber

5.1Protectionagainstionizingradiation6ofexposureswhichgiveanacceptabletesting

ofacircumferentialbuttweld23

5.2Surfacepreparationandstageofmanufacture6AnnexBnormativeMinimumimagequality

values28

5.3Locationoftheweldintheradiograph6

5.4Identificationofradiographs7

5.5Marking7

5.6Overlapoffilms7

5.7TypesandpositionsofimagequalityindicatorsIQI7

5.8Evaluationofimagequality8

5.9Minimumimagequalityvalues8

5.10Personnelqualification8

3BSI15March2004

//.blank

4

//.EN1435:

1997

1Scope

ThisEuropeanStandardspecifiesfundamentaltechniquesofradiographywiththeobjectofenabling

satisfactoryandrepeatableresultstobeobtainedeconomically.Thetechniquesarebasedongenerally

recognizedpracticeandfundamentaltheoryofthesubject.

Thisstandardappliestotheradiographictestingoffusionweldedjointsinmetallicmaterials.

Itappliestothejointsofplatesorpipes.Besidesitsconventionalmeaning,“pipe”asusedinthisstandard

shouldbeunderstoodtocoverothercylindricalbodiessuchastubes,penstocks,boilerdrumsandpressure

vessels.Thisstanda