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GB 6654-1996 steel plates for pressure vessel.pdf

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GB 6654-1996 steel plates for pressure vessel.pdf

APPROVEDBYCHINASTATEBUREAUOFQUALITYANDTECHNICALSUPERVISIONONAPRIL5TH1997EFFECTIVEONOCTOBER1ST1998PAGE1OF14NATIONALSTANDARDOFTHEPEOPLE’SREPUBLICOFCHINAGB66541996SUBSTITUTEFORGB665486GB665586STEELPLATESFORPRESSUREVESSELS1SCOPETHISSTANDARDSPECIFIESTHEDIMENSION,SHAPE,TECHNICALREQUIREMENTS,TESTMETHOD,INSPECTIONRULES,PACKAGING,MARKINGANDQUALITYCERTIFICATEOFSTEELPLATESFORPRESSUREVESSELSTHESTANDARDISAPPLICABLEFORTHESTEELPLATEHAVINGATHICKNESSOF6MM120MMUSEDFORPRESSUREPARTSOFTHEPRESSUREVESSELININTERMEDIATEANDMODERATETEMPERATURESERVICES2NORMATIVEREFERENCESTHENORMATIVEREFERENCESAREINDICATEDINAPPENDIXA3GRADES“R”AFTERTHEGRADEGIVENINTHESTANDARDISTHEFIRSTLETTEROFPINYINFORCHINESECHARACTER“RONG”,STANDINGFORPRESSUREVESSEL4DIMENSION,SHAPE,WEIGHTANDPERMISSIBLEDEVIATIONS41THEDIMENSION,SHAPEANDPERMISSIBLEDEVIATIONSOFSTEELPLATESHALLBEINACCORDANCEWITHRELEVANTPROVISIONSINGB70942THETHICKNESSDEVIATIONSOFSTEELPLATESHALLBEINACCORDANCEWITHTHEPROVISIONSSETFORTHINTABLE143INCASETHESTEELPLATESAREDELIVEREDONTHEBASISOFTHEORETICALWEIGHT,FORCALCULATIONOFWHICH,THETHEORETICALTHICKNESSSHALLEMPLOYTHEADDITIONALVALUEFORTHENOMINALTHICKNESSOFTHESTEELPLATEASLISTEDINTABLE2GB66541996PAGE2OF14TABLE1PERMISSIBLEDEVIATIONSOFTHICKNESSMMNOMINALTHICKNESSMINUSDEVIATIONWIDTH60075075010001000120012001500150017001700180018002000200023002300250025002600260028002800300030003200320034003400360036003800POSITIVEDEVIATION67502504505506006007507507508075100750750850850900900901001151151151013075075085085095095095105125125125155132507507508509511513513515516517525300850850951051251451551651751853034095105105115135155165175195205344011512513514515517518519521522540501351451551651751952052152352455060165175185195205215215225235255608025525525525526527528528528528529529580100295295295295305305305315315315315315100120325325325335345345355355355355355355GB66541996PAGE3OF14TABLE2ADDITIONALVALUEFORTHICKNESSMMNOMINALTHICKNESSWIDTH60075075010001000120012001500150017001700180018002000200023002300250025002600260028002800300030003200320034003400360036003800THICKNESSADDITIONALVALUEFORCALCULATIONOFWEIGHT67501001501801802502502502875100250250300300320320320380450450451013025025030030035035035040050050050065132502502503003504505505506507007525300300300350400500600650700750803034035040040045055065070075085090344004505005506006507508008509510040500550600650700750850900951051105060070075080085090095095100105115608011511511511512012513013013013013513580100135135135135140140140145145145145145100120150150150160160165165165165165165165GB66541996PAGE4OF145TECHNICALREQUIREMENTS51GRADEANDCHEMICALCOMPOSITION511THEGRADEANDCHEMICALCOMPOSITIONHEATANALYSISFORSTEELSSHALLBEINACCORDANCEWITHPROVISIONSSETFORTHINTABLE3TABLE3CHEMICALCOMPOSITIONGRADECHEMICALCOMPOSITION,M/MCMNSIVMONBNCRNISPNOTMORETHAN20R”0200400900150300020003016MNR”0201201600200550020003015MNVR”0181201600200550040120020003015MNVNR”020130170020055010020001000200020003018MNMONBR”022120160015050045065002500500020002513MNNIMONBR”015120160015050020040000500200200400601000020002515CRMOR012018040070015040045060080120002000305111FORTHESTEELPLATEWITHTHICKNESSGREATERTHAN60MM,THEUPPERLIMITOFTHECONTENTOFMANGANESEOF20RCANBEINCREASEDTO1005112WHENCR,MOANDCUAREREGARDEDASRESIDUALELEMENTS,ITSRESPECTIVECONTENTSHALLNOTBEMORETHAN030ANDTHETOTALCONTENTSHALLNOTBEMORETHAN060INCASETHEMANUFACTURERCANASSURETHECOMPLIANCEOFSUCH,THEANALYSISCANBEEXEMPTED512INORDERTOIMPROVETHEPROPERTYOF20RAND16MNR,TRACEALLOYELEMENTSMAYBEADDED513THEPERMISSIBLEDEVIATIONSOFCHEMICALCOMPOSITIONFORFINISHEDSTEELPLATESSHALLBEINCONFORMITYWITHTHEPROVISIONSASSETFORTHINGB22252SMELTINGPROCESSTHESTEELSARESMELTEDINOXYGENCONVERTERANDELECTRICFURNACEALLGRADESOFSTEELAREKILLEDSTEEL53DELIVERYCONDITIONS531THESTEELPLATESHALLBEDELIVEREDINTHECONDITIONSASSPECIFIEDINTABLE4THETEMPERINGTEMPERATUREOF18MNMONBR,13MNNIMONBR,15CRMOSHALLNOTBELESSTHAN620

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