E04728902Word格式文档下载.docx

E04728902Word格式文档下载.docx

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AutolivNorthAmerica

3350AirportRoad,Ogden,UT84405

REVISIONSUMMARY

RevisionDateofReleaseDescriptionofChanges

0004June2003OriginalRelease

0108August2003RevisedmechanicalpropertiesinSections4.3.1and4.8;

AddedthewordAveragetothetableinSection4.3.3;

ModifiedthetestingfrequencyandacceptancecriteriaofSection5.5.5

02CheckMatrix复核表CorrectedmechanicaltestingresultstableforMPaconversionfromksi.

TABLEOFCONTENTS目次

1.0SCOPE範圍

2.0APPLICABLEDOCUMENTS引用文件

3.0TERMINOLOGY術語

4.0REQUIREMENTS要求

4.1Form形狀

4.2Chemistry化學成分

4.3MechanicalProperties機械性質

4.3.1TensileTesting拉伸強度試驗

4.3.2FlatteningTests壓平試驗

4.3.3CharpyImpactStrength夏平衝擊試驗

4.4HeatTreatedCondition熱處理狀態

4.5DropWeightTest落重試驗

4.6Ductile-to-BrittleTestTemperature低溫脆性實驗

4.7NondestructiveTestingandSurfaceQuality非破壞性試驗及表面品質

4.8HydroburstPressureTesting液爆試驗

5.0QUALITYASSURANCEPROVISIONS品質保證條款

5.1ResponsibilityforInspection檢驗責任

5.2ClassificationofInspection檢驗分類

5.3QualityConformanceInspection品質符合性檢驗

5.4TestMethods試驗方法

5.4.1ChemicalAnalysis化學分析

5.4.2MechanicalProperties機械性質

5.4.3DropWeightTest落重試驗

5.4.4NondestructiveEvaluation非破壞性試驗

5.4.5HydroburstPressure液爆壓力

5.5Sampling抽樣

5.5.1ChemicalAnalysis

5.5.2MechanicalProperties

5.5.3DropWeightTest

5.5.4NondestructiveTesting

5.5.5HydroburstPressureTesting

5.6Retesting再試驗

5.6.1RetestQuantities

5.6.2RetestLocation

5.6.3RetestofMechanicalProperties

6.0NOTES

6.1IntendedUse使用意圖

6.2GradeDesignation分級標示

6.3ApprovedSource核准來源

1.0SCOPE

Thisspecificationdefinesrequirementsforseamlesssteeltubingtobeusedforstoredgasinflatorpressurevessels.這個規範說明對於用在儲氣Inflator壓力容器的要求

2.0APPLICABLEDOCUMENTS

Thefollowingdocumentsformapartofthisspecificationtotheextentspecifiedherein在这里.Unlessotherwiseindicated,theissueineffectondateofinvitationforbidsorrequestforproposalshallapply.下列文件是本規範的一部份

STANDARDS

AmericanSocietyforTestingandMaterials（ASTM）

∙ASTMA751TestMethods,Practices,andTerminologyforChemicalAnalysisof

SteelProducts

∙ASTME8StandardTestMethodsofTensionTestingofMetallicMaterials

∙ASTMA519StandardSpecificationforSeamlessCarbonandAlloySteelMechanical

Tubing

∙ASTME23TestMethodsforNotchedBarImpactTestingofMetallicMaterials

∙ASTME213PracticeforUltrasonicExaminationsofMetalPipeandTubing

（ApplicationsforcopiesshouldbeaddressedtoTheAmericanSocietyforTestingandMaterials,100BarrHarborDrive,WestConshohcken,PA19428）

SPECIFICATIONS

∙RS5265RequirementSpecificationforMechanicalTestingofSteelTubingand

IntegralChambers

3.0TERMINOLOGY

Heat:

Materialfromasingleladleofsteelusedtoproducetubingorchambers.

钢包

HeatTreatLot:

Allcold-drawntubes,beforefinalstraighteningandcuttingofthesame

nominaldiameterandwallthicknessthatare:

∙producedfromthesameheatlot批

∙heat-treatedinthesamecontinuousfurnaceatthesametemperatureinthesameproductionrun.

4.0REQUIREMENTS

4.1Form

TubingshallbeintheformofroundcolddrawnseamlesstubingperASTMA519,latestrevision,asmodifiedperthisspecificationandtheapplicabledrawing.

4.2Chemistry

Theproductanalysisshallconformtothefollowingchemistryrequirements:

ElementWeight%

Carbon0.07to0.12%Ladle,0.15%maximumcheckanalysis

Manganese1.0to1.6%

Silicon0.15to0.35%

Sulfur0.015%max

Sulfur+Phosphorous0.025%max

Chromium0.75%max

Nickel0.2to0.5%

Aluminum0.060%max

Note:

Otherintentionalalloyadditions,suchasmolybdenum,niobium,orvanadiumshallbereportedintheMillTestReportforeachmateriallot.

4.3MechanicalProperties

4.3.1TensileTesting

ThetestspecimenusedshallconformtotherequirementsofSection4.2ofRS5265.Basedonafull-size,tubular-sectionspecimenwitha2-inchgagelengthatroomtemperature,thematerialshallhavethefollowingmechanicalproperties:

YieldStrength

85ksi（586MPa）minimum

TensileStrength

115to140ksi（793-965MPa）

Elongation

16%minimum

4.3.2FlatteningTests

FlatteningtestingshallconformtotherequirementsofSection4.3.1ofRS5265.Nocrackingshallbeobservedinthesamples,asdescribedinSection4.3.2ofRS5265.

4.3.3CharpyImpactStrength

CharpyimpacttestingshallbeconductedinaccordancewithASTME23.Thedimensionsandminimumenergyabsorbedat–40°

Cshallbeasfollows:

TubeSize

CharpySampleSize

MinimumEnergyAbsorbed

35×

2.5mm

55×

10×

2.3mm

10.0ft-lbs.（13.5Joules）Average

4.4HeatTreatedCondition

Thematerialshallbeinthequenchedandtemperedcondition.淬火+回火

4.5DropWeightTest

ThedropweighttestshallbeperformedperSection4.4ofRS5265.Thetestshallbeperformedatambientandat–55°

C.Nocrackingofthespecimenshallbefound.

4.6Ductile-To-BrittleTestTemperature:

Theductile-to-brittletesttemperature（TT）,asdefinedinSection4.4ofRS5265shallbe–55°

Cmaximum.

4.7NondestructiveTestingandSurfaceQuality

Tubingshallbefreeofseams,laminations,andotherinjuriousdefects,andshallnothaveexcessivedirt,chips,oil,orrust.Nondestructivetestingshallbeperformedon100percentofthefinalproductinaccordancewithASTME213,withscanningconductedperS1supplementaryrequirements.Thepitchoffeedshallcover100%ofthesurface,withaminimum10%overlap.Referencestandardsshallberectangularshaped,withaminimumsizeasfollows:

ReferenceDepth

ReferenceWidth

ReferenceLength

0.2mm

0.3mm

10mm

4.8HydroburstPressureTesting

Hydroburstpressuretestingshallbeperformedbysealingtheendsofatubesection,forexamplebyweldingflatsteelplugstotheendsofthetube.Itisimportantthata150-mmpipesectionremainsconstraintfree,sothatfullhoopstresscandevelop.Thepressurizationofthetubesectionshallbeperformedbypumpingoil,water,oramixturethereofintothepipethroughanappropriateopeninginthesteelplugs.

ThebursttestingistomeetthefollowingminimumrequirementatroomtemperatureperSection5.5.5:

MinimumBurstStrength

19,250psi（133MPa）

5.0QUALITYASSURANCEPROVISION

5.1ResponsibilityforInspection

Thesuppliershallberesponsibleforthequalityofthematerialfurnishedandshallmakethenecessaryteststoensurethisquality.

5.2Classification分类ofInspection

Examinationandtestingofthematerialisclassifiedasqualityconformanceinspection.

5.3QualityConformance一致Inspection

AMaterialTestReport（MTR）shallbesentforeachmaterialdeliveryshowingthespecificationnumber,POnumber,length,quantity,andheatnumber.TheMTRshallcontainthetestresultsofSections4.2through4.8ofthisspecification.

5.4TestMethods

5.4.1ChemicalAnalysis

ChemicalanalysisshallbeperformedinaccordancewithASTMA751orequivalent.

5.4.2MechanicalProperties

MechanicalpropertiesshallbetestedinaccordancewithRS5265orASTME8orequivalent.

5.4.3DropWeightTest

TheDropWeightTestshallbeperformedaccordingtoSection4.4ofRS5265.

5.4.4NondestructiveEvaluation

Non-destructivetestingon100percentofthetubingshallbeperformedperSection4.7ofthisspecification.

5.4.5HydroburstPressure

HydroburstTestingshallbeperformedperSection4.8ofthisspecification.

5.5Sampling

5.5.1.1Heat（LadleAnalysis）

ThechemicalcompositionofeachheatshallbedeterminedandshallconformtotherequirementslistedinSection4.2.

5.5.1.2ProductAnalysis

Aproductanalysisshallbemadeoneachheat-treatlot.ThechemicalcompositionthusdeterminedshallconformtotherequirementslistedinSection4.2.

Onetension-testspecimenshallbetakenoneachheat-treatlot.Documentationofthistestingshallincludethefollowinginformation:

∙Materialidentification（i.e.,lotnumber）

∙Specimentype

∙YieldStrength

∙TensileStrength

∙Elongationatfractureandgagelengthused

Onedrop-weightspecimenpertemperatureshallbetestedforeachheat-treatlot.Documentationofthistestingshallreportwhetherallspecimensexhibited100-percentductiledeformation（nocracking）attesttemperature.

Thetubingshallbe100-percentinspectedandconformtothecalibrationstandardofSection4.0.

Aminimumofthreeambienthydroburstpressuretestsshallbeperformedoneachheat-treatmentlot.StatisticalcapabilityanalysesandprocesscontrolshallbeperformedtoensurecompliancethatalltestsshallmeetminimumburstrequirementswithaCpk>

1.0.

5.6Retesting

Whenaproductfailstomeetthespecificationrequirements,noretestsareallowed.Iftheaccuracyofthetestresultsisquestionable,asingleretestmaybeperformedtodetermineproductacceptability,subjecttothefollowingretestrequirements.

5.6.1RetestQuantities量

Retestshallbeperformedontwicethenumberofspecimensthatfailedtomeettherequirementsfortheapplicablechara