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ASTM A714-1999(2003) 高强度低合金焊接和无缝钢管的标准规范

作者:标准资料网 时间:2024-05-10 22:13:51  浏览:9248   来源:标准资料网
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【英文标准名称】:StandardSpecificationforHigh-StrengthLow-AlloyWeldedandSeamlessSteelPipe
【原文标准名称】:高强度低合金焊接和无缝钢管的标准规范
【标准号】:ASTMA714-1999(2003)
【标准状态】:现行
【国别】:
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:A01.09
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:高抗拉;钢;管;焊接的;无缝管;合金钢;焊接
【英文主题词】:seamless;high-strength;pressurepiping;steels
【摘要】:1.1Thisspecificationcoversseamlessandweldedhigh-strengthlow-alloysteelpipeNPS1/2toNPS26,inclusive.Pipehavingotherdimensionsmaybefurnishedprovidedsuchpipecomplieswithallotherrequirementsofthisspecification.Thismaterialisintendedforpressurepipingservice,andothergeneralpurposes,wheresavingsinweightoraddeddurabilityareimportant.Note18212;ThedimensionlessdesignatorNPS(nominalpipesize)hasbeensubstitutedinthisstandardforsuchtraditionaltermsas"nominaldiameter,""size,"and"nominalsize."Note28212;AcomprehensivelistingofstandardizedpipedimensionsiscontainedinANSIStandardB36.10.1.2Class8212;Thesehigh-strengthlow-alloysteelshaveenhancedresistancetogeneralatmosphericcorrosionbyweatheringascommonlyencounteredinrural,urban,marine,andindustrialenvironments.Theyaresuppliedintwoclasses:Class2,havingcorrosionresistanceequivalenttothatofcarbonsteelwithcopper(0.20minimumCu);andClass4,havingcorrosionresistancesubstantiallybetterthanthatofClass2(Note3).Class4steelswhenproperlyexposedtotheatmospherecanbeusedbare(unpainted)formanyapplications.Note38212;FormethodsofestimatingtheatmosphericcorrosionresistanceoflowalloysteelsseeGuideG101oractualdata.1.3Type8212;Pipemaybefurnishedinthefollowingtypesofmanufacturingprocesses:TypeF8212;Furnace-buttwelded,continuouswelded,TypeE8212;Electric-resistancewelded,andTypeS8212;Seamless.1.3.1Pipeorderedunderthisspecificationissuitableforwelding.1.3.2TypeEpipemaybefurnishedeithernonexpandedorcold-expandedattheoptionofthemanufacturer.1.3.3TypesF,E,andSpipearecommonlyfurnishedinnonheat-treatedcondition.TypeSpipemaybefurnishedinnormalized(orother)heat-treatedcondition,whensospecified.1.3.4TypesF,E,andSpipeinsinglerandomlengthsmaybefurnishedwithhot-dippedgalvanizedcoatingofzinc,subjecttoinquirytotheproducer.1.3.5Couplings,whenfurnished,shallbeofthesameclass,heat-treatedcondition,andgradeofmaterialasthepipeordered.1.4Grade8212;Thisspecificationdesignateseightgradesofsteelcompositionaslistedinandcorrespondingtensilerequirementsforthegradesaslistedin.1.4.1ForClass2pipe,GradeI,II,orIIIshallbespecified,andcopper-bearingsteelisrequiredasspecifiedin.1.4.2ForClass4pipe,GradeIV,V,VI,VII,orVIIIshallbespecified.Alternatively,forClass4,TypeS,andTypeEpipe,asteelcompositioncorrespondingtoagradelistedinofSpecificationA588/A588Mmaybespecified,subjecttonegotiation.1.5WhenClass4pipeisjoinedbyweldingorisusedinweldedconstruction,theuseriscautionedthattheselectionofweldingprocedureandresultantcompositionoffusedmetalshouldbesuitableforClass4materialandtheintendedservice.1.6Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.
【中国标准分类号】:H48
【国际标准分类号】:23_040_10
【页数】:8P.;A4
【正文语种】:


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MIL-P-50257 (NOTICE 1), MILITARY SPECIFICATION: PROJECTILE, 8 INCH, HE, M404, LOADING, ASSEMBLING AND PACKING (01 NOV 1990) [NO S/S DOCUMENT].【英文标准名称】:Testconditionsforboringandmillingmachineswithhorizontalspindle-Testingoftheaccuracy-Part4:Planertypemachineswithmovablecolumn
【原文标准名称】:卧式镗铣床检验条件精度检验第4部分:带移动立柱的台式机床
【标准号】:ISO3070-4-1998
【标准状态】:作废
【国别】:国际
【发布日期】:1998-03
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC39
【标准类型】:()
【标准水平】:()
【中文主题词】:生产精度;数值控制;尺寸测量;钻床;镗床;铣床;位置控制;精密度;再现性;机床;卧式铣床
【英文主题词】:
【摘要】:ThispartofISO3070specifies,withreferencetoISO230-1andISO230-2,geometrictests,machiningtestsandtestsforcheckingaccuracyandrepeatabilityofpositioningbynumericalcontrol,ongeneralpurpose,normalaccuracy,planertypehorizontalspindleboringandmillingmachineswithmovablecolumn.Thesetypesofmachinetoolaredefinedinsubclauses3.2and3.3ofISO3070-0:1982.ThispartofISO3070alsospecifiestheapplicabletolerancescorrespondingtotheabovementionedtests.Thesemachinescanbeprovidedwithspindleheadsofdifferenttypescorrespondinginmostcasestofigures:4(spindleheadwithslidingboringspindleandmillingspindle)5(spindleheadwithslidingboringspindleandwithfacinghead)6(spindleheadwithramormillingram)ofISO3070-0:1982.Inaddition,itshouldbenotedthatthispartofISO3070concernsmachineswhichhavemovementofthetablealongtheX-axis,averticalmovementofthespindleheadalongtheY-axis,amovementofthecolumnalongtheW-axisandmayincludearotaryorindexingtable.ThispartofISO3070dealsonlywiththeverificationoftheaccuracyofthemachine.Itdoesnotapplytothetestingofthemachineoperation(vibration,abnormalnoise,stick-slipmotionofcomponents,etc.)nortomachinecharacteristics(suchasspeeds,feeds,etc.),assuchchecksaregenerallycarriedoutbeforetestingtheaccuracy.
【中国标准分类号】:J54
【国际标准分类号】:25_080_20;25_080_40
【页数】:41P;A4
【正文语种】:英语



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