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GB 713-1997 steel plates for boilers.pdf

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GB 713-1997 steel plates for boilers.pdf

APPROVEDBYCHINASTATEBUREAUOFQUALITYANDTECHNICALSUPERVISIONONNOVEMBER11TH1997EFFECTIVEONMAY1ST1998PAGE1OF10NATIONALSTANDARDSOFTHEPEOPLE’SREPUBLICOFCHINAGB7131997SUBSTITUTEFORGB71386STEELPLATESFORBOILERS1SCOPETHISSTANDARDSPECIFIESTHEDIMENSION,SHAPE,TECHNICALREQUIREMENTS,TESTMETHOD,INSPECTIONRULES,PACKAGING,MARKINGANDQUALITYCERTIFICATEOFSTEELPLATESFORBOILERSTHESTANDARDISAPPLICABLEFORTHEMANUFACTUREOFSTEELPLATESHAVINGATHICKNESSOF6MM150MMUSEDFORVARIOUSBOILERSANDACCESSORIES2NORMATIVEREFERENCESTHEFOLLOWINGSTANDARDSCONTAINPROVISIONSWHICH,THROUGHREFERENCEINTHISTEXT,CONSTITUTEPROVISIONSOFGB7131997ATTHETIMEOFPUBLICATION,ALLEDITIONSINDICATEDWEREVALIDASALLSTANDARDSARESUBJECTTOREVISION,ANDTHEPARTIESTOAGREEMENTSBASEDONGB7131997AREENCOURAGEDTOINVESTIGATETHEPOSSIBILITYOFAPPLYINGTHEMOSTRECENTEDITIONSOFTHESTANDARDSINDICATEDBELOWGB22284METHODOFSAMPLINGSTEELFORTHEDETERMINATIONOFCHEMICALCOMPOSITIONANDPERMISSIBLEVARIATIONSFORPRODUCTANALYSISGB223388METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYGRAVIMETRICMETHODOFDIANTIPYRYLMETHANEPHOSPHOMOLYBDATEFORTHEDETERMINATIONOFPHOSPHORUSCONTENTGB223488METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHEVOLUMETRICMETHODFORTHEDETERMINATIONOFMANGANESECONTENTBYAMMONIUMNITRATEOXIDATIONGB/T2231191METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHEAMMONIUMPERSULFATEOXIDATIONVOLUMETRICMETHODFORTHEDETERMINATIONOFCHROMIUMCONTENTGB2231489METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHENBENZOYLNPHENYLHYDROXYLAMINEEXTRACTIONPHOTOMETRICMETHODFORTHEDETERMINATIONOFVANADIUMCONTENTGB/T2231691METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHECHROMOTROPICACIDPHOTOMETRICMETHODFORTHEDETERMINATIONOFTITANIUMCONTENTGB2231789METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHEDIANTIPYRYLMETHANEPHOTOMETRICMETHODFORTHEDETERMINATIONOFTITANIUMCONTENTGB/T2231894METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHESODIUMTHIOSULFATESEPARATIONIODIMETRICMETHODFORTHEDETERMINATIONOFCUPPERCONTENTGB2231989METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHEGB7371997PAGE2OF10NEOCUPROINECHLOROFORMEXTRACTIONPHOTOMETRICMETHODFORTHEDETERMINATIONOFCOPPERCONTENTGB/T2232394METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHEDIMETHYLGLYOXIMESPECTROPHOTOMETRICMETHODFORTHEDETERMINATIONOFNICKELCONTENTGB/T2232494METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHEEXTRACTIONSEPERATIONTHEDIMETHYLGLYOXIMESPECTROPHOTOMETRICMETHODFORTHEDETERMINATIONOFNICKELCONTENTGB2232689METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHETHIOCYANATEDIRECTPHOTOMETRICMETHODFORTHEDETERMINATIONOFMOLYBDENUMCONTENTGB2232784METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHETHIOCYANATEBUTYLACETATEEXTRACTIONSPECTROPHOTOMETRICMETHODFORTHEDETERMINATIONOFMOLYBDENUMCONTENTGB2233685METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHETHEVOLUMETRICMETHODFORTHEDETERMINATIONOFNITROGENCONTENTAFTERDISTILLATIONSEPARATIONGB2233789METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHEINDOPHENOLBLUEPHOTOMETRICMETHODSFORTHEDETERMINATIONOFNITROGENCONTENTAFTERDISTILLATIONSEPARATIONGB2233985METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYSULPHOCHLOROPHENOLSPHOTOMETRICMETHODFORTHEDETERMINATIONOFNIOBIUMCONTENTGB2234085METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHEANIONEXCHANGESEPARATIONSULPHOCHLOROPHENOLSPHOTOMETRICMETHODFORTHEDETERMINATIONOFNIOBIUMCONTENTGB2235487METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHEFLAMEATOMICABSORPTIONSPECTROPHOTOMETRICMETHODFORTHEDETERMINATIONOFNICKELCONTENTGB2235887METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHESODIUMARSENITESODIUMNITRITETITRIMETRICMETHODFORTHEDETERMINATIONOFMANGANESECONTENTGB2235987METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHEREDUCEDMOLYBDOANTIMONYLPHOSPHORICACIDPHOTOMETRICMETHODFORTHEDETERMINATIONOFPHOSPHORUSCONTENTGB2236087METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHEPERCHLORICACIDDEHYDRATIONGRAVIMETRICMETHODFORTHEDETERMINATIONOFSILICONCONTENTGB2236187METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHEAMMONIUMPHOSPHOMOLYBDATEVOLUMETRICMETHODFORTHEDETERMINATIONOFPHOSPHORUSCONTENTGB2236287METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHEBUTYLACETATEEXTRACTIONPHOTOMETRICMETHODFORTHEDETERMINATIONOFPHOSPHORUSCONTENTGB2236388METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHESODIUMPOTASSIUMPERIODATEPHOTOMETRICMETHODFORTHEDETERMINATIONOFMANGANESECONTENTGB7371997PAGE3OF10GB2236488METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHEFLAMEATOMICABSORPTIONSPECTROMETRICMETHODFORTHEDETERMINATIONOFMANGANESECONTENTGB2236789METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHEREDUCINGDISTILLATIONMETHYLENEBLUEPHOTOMETRICMETHODFORTHEDETERMINATIONOFSULFURCONTENTGB2236889METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHEPOTASSIUMIODATETITRATIONMETHODAFTERCOMBUSTIONFORTHEDETERMINATIONOFSULFURCONTENTGB2236989METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHEGASVOLUMETRICMETHODAFTERCOMBUSTIONFORTHEDETERMINATIONOFCARBONCONTENTGB/T2237191METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHEGRAVIMETRICMETHODAFTERCOMBUSTIONFORTHEDETERMINATIONOFCARBONCONTENTGB/T2237291METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHEALUMINACHROMATOGRAPHICSEPARATIONBARIUMSULFATEGRAVIMETRICMETHODFORTHEDETERMINATIONOFSULPHURCONTENTGB/T2237491METHODSFORCHEMICALANALYSISOFIRON,STEELANDALLOYTHECOMBUSTIONGRAVIMETRIC/GASVOLUMETRICMETHODFORTHEDETERMINATIONOFCOMBINEDCARBONCONTENTGB/T2237694METHODSFORCHEMICALANALYSISIRON,STEELANDALLOYTHEFLAMEATOMICABSORPTIONSPERTROMETRICMETHODFORTHEDETERMINATIONOFVANADIUMCONTENTGB22887METALLICMATERIALSTENSILETESTINGGB/T22994METALLICMATERIALSCHARPYNOTCHIMPACTTESTGB23282METALLICMATERIALSBENDTESTGB24788GENERALRULEOFACCEPTANCE,PACKAGE,MARKANDCERTIFICATIONFORSTEELPLATESSHEETSANDSTRIPSGB70988DIMENSIONS,SHAPE,WEIGHTANDTOLERANCESFORHOTROLLEDPLATESANDSHEETSGB/T297091THICKERSTEELPLATESMETHODFORULTRASONICINSPECTIONGB297684STEELSTRAINAGEINGSENSIBILITYTESTGB433884METALLICMATERIALSTENSILETESTINGATELEVATEDTEMPERATUREGB531385STEELPLATEWITHTHROUGHTHICKNESSCHARACTERISTICSGB639786METALLICMATERIALSTESTPIECESFORTENSILETESTING3DIMENSION,SHAPEANDPERMISSIBLEDEVIATIONS31THEDIMENSION,SHAPEANDPERMISSIBLEDEVIATIONSOFSTEELPLATES,EXCLUDINGTHEPERMISSIBLEDEVIATIONSOFTHICKNESS,SHALLBEINACCORDANCEWITHRELEVANTPROVISIONSINGB70932THETHICKNESSDEVIATIONOFSTEELPLATESSHALLBEINACCORDANCEWITHTHEPROVISIONSSETFORTHINTABLE1IFREQUESTEDBYTHEPURCHASERANDBYAGREEMENTBETWEENTHEGB7371997PAGE4OF10PURCHASERANDTHEMANUFACTURER,THESTEELPLATESWITHTHETHICKNESSNOTMORETHAN210MMCANBESUPPLIED33THESTEELPLATESCANBEDELIVEREDONTHEBASISOFMEASUREDWEIGHTORTHEORETICALWEIGHTINCASEOFDELIVERYBASEDONTHEORETICALWEIGHT,FORCALCULATIONOFWHICH,THETHEORETICALTHICKNESSSHALLAPPLYTHENOMINALTHICKNESSOFTHESTEELPLATEPLUSADDITIONALVALUELISTEDINTABLE24TECHNICALREQUIREMENTS41GRADEANDCHEMICALCOMPOSITION411THEGRADEANDCHEMICALCOMPOSITIONHEATANALYSISFORSTEELSSHALLBEINACCORDANCEWITHTHEPROVISIONSSETFORTHINTABLE34111INTHEEVENTTHATTHESTEELPLATEWITH20GMEETSTHEREQUIREMENTSOFPROPERTIES,THELOWERLIMITFORTHECONTENTOFMANGANESECANBE040;FORTHICKNESSGREATERTHAN25MM,THECARBONCONTENTOFTHESTEELPLATECANBEUPTO0224112INORDERTOIMPROVETHEPROPERTYOFTHESTEELPLATE,ITISPERMISSIBLETOADDALLOYMICROELEMENTSTOTHESTEELANDTHECONTENTSOFTHEELEMENTSSHALLBEFILLEDINTHEQUALITYASSURANCETHECONTENTOFMANGANESEFOR16MNGSHALLFALLBELOWTHEMINIMUMPERMITTEDVALUEOF1704113FORTHEANALYZEDRESIDUALELEMENTSINTHESTEEL,THECONTENTSOFCR,NI,CUSHALLNOTBEMORETHAN030,THECONTENTOFMONOTMORETHAN010,THECONTENTOFVNOTMORETHAN0010ANDTHETOTALCONTENTOFCR,NI,CU,MO,VNOTMORETHAN070INCASETHEMANUFACTURERCANASSURETHECOMPLIANCEOFSUCH,THEANALYSISCANBEEXEMPTED412THEPERMISSIBLEDEVIATIONSOFCHEMICALCOMPOSITIONFORFINISHEDSTEELPLATESSHALLBEINCONFORMITYWITHTHEPROVISIONSSETFORTHINGB22242SMELTINGPROCESSTHESTEELSARESMELTEDINOPENHEARTHFURNACE,OXYGENCONVERTERORELECTRICFURNACEFORTHESTEELPLATEIN15CRMOG,12CR1MOVGANDOTHERSWITHTHETHICKNESSGREATERTHAN60MM,THESTEELSSHALLBESUBJECTEDTOSECONDARYREFINING43DELIVERYCONDITIONSTHESTEELPLATESSHALLBEDELIVEREDINTHEHOTROLLED,CONTROLLEDROLLED,NORMALIZEDORNORMALIZEDPLUSTEMPEREDCONDITIONS44MECHANICALANDTECHNOLOGICALPROPERTIES441THEMECHANICALANDTECHNOLOGICALPROPERTIESOFSTEELPLATESSHALLBEINACCORDANCEWITHTHEPROVISIONSASSETFORTHINTABLE4INCASETHESTEELPLATES22MNG,15CRMOG,13MNNICRMONBGAND12CR1MOVGAREDELIVEREDWITHOUTBEINGHEATTREATED,THETESTPIECEMUSTBESUBJECTTOTREATMENTBYNORMALIZINGANDTEMPERINGANDITSPROPERTYMUSTCOMPLYWITHTHEPROVISIONSASSETFORTHINTABLE4

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