JB 4730标准与ASME规范射线篇的比较

JB4730ASME(,210048):JB47301994ASME,:;;;;:TG115.28:B:100026656(2002)1120497202COMPARISONOFRADIOGRAPHICTESTINGREQUIREMENTSBETWEENSTANDARDJB4730ANDASMECODEMAXiao(ChemicalIndustrialMachineryWorks,NanjingChemicalIndustrialCo.,Ltd,Nanjing210048,China)Abstract:SomedifferencesarediscussedaboutstandardJB47301994andASMEcodeintermsofradiographictesting,in2cludingtestingratio,geometricunsharpness,radiographicthickness,density,sensitivityandfilmevaluation.Keywords:Radiographictesting;Code;Standard;Boiler;Pressurevessel,,ASME199820002001ASME581[1][2]GB150[3]JB4730[4]1GB150,,100%20%ASME81UG116,RT1,RT2,RT3RT4,:RT1A,B100%;RT2()100%,,,;RT3:2002205213,,,,1,,,,;RT4,RT1RT3RT3RT4,,2(1)JB4730UgABUgUg110L1P32L2(2)ASME5T285Ug1,UgUg=FL2L1F7942411200211NDTVol.24No.11Nov.2002©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.1UgPmmUgPmmUg50.80.5176.2101.61.0250.876.20.76101.61.77L1Ug,ASMEJB473019943(1)JB4730AB,192Ir30mmT95mm;60Co50mmT175mm,(),;JB4730,192Ir,10mm(2)ASME5,192IrT19mm(0.75in);60CoT38.1mm(1.5in),,,4JB4730X,AB,X1.2D3.5;1.8D3.5ASME5X,X1.8D4.0;2.0D4.0;1.84.0(1.3),,,,XASME5T26290d,1.0,2.0,3104.0,,;JB47305JB4730,;ASME5ASME5SE747,6.35152mm(0.256in),,T=12mm,TA=16mm,,JB4730(AB),,12,0.25mm(0.01in);ASME5,1B27,0133mm(0.013in);,ASMEJB4730(),2T+2,ASME5,JB4730,ASME,,,,JB4730,90;ASME5T277,,120,,,ASME5T277,,,JB4730,,,F,6,ASME5,,,1.3,,,,,,,,,,,,,894:JB4730ASME©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,(),,,,,,,,,16,2003,:822411,20038.00,648.00,,:,:0200004209089140045,:2,:100013,:[phone],84272492,84272493,:[e-mail],,20031956,,,,,,()()()(EI)(MA),1998,EI100(167),(),16,,72,:8162,:100095,:(010)6245662225227,E2mail:[e-mail],,,:[1]ASMEBoiler&PressureVesselCode(Section)[S].1998,2000,2001.[2].[S].:,1999.45.[3]GB1501998,[S].[4]JB47301994,[S].9942411200211NDTVol.24No.11Nov.2002©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.