资源描述：
《jb与asme比较（jb is compared to asme）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、JB4730与ASME比较（JB4730iscomparedtoASME）standardizedJB4730standardandASMEspecificationComparisonoftheraysThehorseXiao(nanhuachemicalmachineryplant,nanjing210048)Abstract:theJB4730-1994standardandASMEspecificationsdiscusssomeofthedifferencesintheX-raydetectionsection,includingtestingThemea
2、surementofproportion,geometricunsharpness,radiographicthickness,blackness,sensitivityandfilmratingetc.Keywords:radiographicexamination;Specification;Standard;Boiler;ThepressurevesselMiddleimageclassificationno.:TG115.28literatureidentificationcode:Barticlenumber:1000-6656(2002)11-047-0
3、2COMPARISONOFRADIOGRAPHICTESTINGREQUIREMENTSBETWEENSTANDARDJB4730ANDASMECODEMAXiao(ChemicalIndustrialMachineryWorks,NanjingChemicalIndustrialCo.,Ltd,Nanjing210048,China)Abstract:SomedifferencesarediscussedaboutstandardJB4730-1994andASMEcodeintermsofradiographictesting,in-Cludingtesting
4、thewire,geometricunsharpness,radiographicthickness,density,sensitivityandqualitiesevaluation.Keywords:Radiographictesting;Code;Standard;Boiler;PressurevesselThemanufactureandinspectionofboilersandpressurevesselsinvolveavarietyofrulesNormandstandard.Currently,themostusedforeignpressurev
5、esselstandardisAmericanASMEspecification.TherearemanystandardsthatarenotrelatedtoChinesestandardsWiththepoint.Thisisthe1998edition,the2000supplementandthe2001ASMECode5andvolume8,volume1,[1]andthepressurevesselofourcountryTechnicalsupervisionprocedures[2],GB150[3]andJB4730[4]standardsar
6、eavailableSomeoftherequirementsofthetestarecompared.1detectionratioSafetytechnicalsupervisionproceduresandGB150forboilersandpressurevesselsInthecaseofweld,differenttestproportionsareprovided,andtheproductnameplateThedetectionratioshouldbemarked,suchas100%and20%.ASMEvolume8,volume1,UG11
7、6providesfourdifferentmarksRemember,RT1,RT2,RT3andRT4respectivelyrepresentdifferenttestsTheproportion.Thespecificexplanationisasfollows:RT1isallAandBweldingonthecontainerTheseammustbetestedwith100%radix;RT2isalltheweldseamsonthecontainerTheforkedparts(t-mouth)mustbe100%radiographican
