bs 2600 part 1-1983 焊缝无损检测-焊接接头射线检验

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1、BS2600Part1-1983焊缝无损检测-焊接接头射线检验BSIBSm2bOOPARTxL83Lb27><4bb700571qL8rnBS2600:Part1:1983UDC669.1<46:621.791.053.6:620.179.15ofthispublicationmaybephotocopiedorotherwisereproducedwithouttheBritishStandardRadiographicexaminationoffusionweldedbuttjointsinsteelPart1.Methodsforsteel2mmuptoandinclu

2、ding50mmthickExamenradiographiquedesjointsbout-&boutsoudbsparfusiondansI'acierPartie1.Aciersd16paisseurcompriseentre2et50mminclusDurchstrahlungsprufungvonschmelzgeschweil3tenStumpfnahtenanStahlTeil1.VerfahrenbeiStahlvon2rnmbiseinschliet3lich50mmDickeBritishStandardsInstitutionCopyr

3、ightbytheBritishStandardsInstitutionWedNov1016:33:<421999BS2600:Part1:1983ContentsForewordCommitteesresponsibleMethodScopeTechniquesGamma-raysourcesProtectionSurfaceconditionWeldimagelocationlndentificationofradiographsMarkingDensityofradiographImagequalityindicatorsIntensifyingscreensCasse

4、ttesObject-filmdistancePageInsidefrontcoverBackcover1<4.~lknmentofX-rayorgamma-raybeam215.Overlapoffilm216.Interceptionofunwantedandscatteredradiation317.Processing318.Viewing319,Individualtechniques319.1Technique1.X-raysusingultra-fine-graindirecttypefilm319.2Technique2.X-raysusingfine-gra

5、indirecttypefilm3ForewordThlsPartofBS2600hasbeenpreparedunderthedirectionoftheWeldingStandardsCommittee.ItisarevisionofBS2600:Part1:1973,whichiswithdrawn.ItisessentialtoquotethetechniquenumberinadditiontotheBSnumberwheneverthisstandardisused.ThestandardisdividedintotwoParts,notonlytoalignwi

6、ththethicknessdivisionadoptedintheIS0recommen-dations,butalsotoallowmoredefiniterequirementstobegiveninBS2600:Part2forthegreaterthicknesses.Thesamenumberoftechniqueshasbeenmaintained,themethodsbeingsuitableforalltypesofapplication,butnomandatorydirectionisgivenofwhenaparticulartechniqueshou

7、ldbeused.Assomanyfactorsaffecttheexposuretime,minimumvalueshavenotbeenmade19.3Technique3.X-raysusingmedium-speeddirect-typefilm19.<4Technique6.Gamma-raysusingultra-fine-graindirect-typefilm19.5Technique7.Gamma-raysusingfine-graindirecttypefilmAppendixA.E