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ISO/TR 17671-5-2004 焊接.金属材料焊接的推荐.第5部分:覆层钢的焊接

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【英文标准名称】:Welding-Recommendationsforweldingofmetallicmaterials-Part5:Weldingofcladsteels
【原文标准名称】:焊接.金属材料焊接的推荐.第5部分:覆层钢的焊接
【标准号】:ISO/TR17671-5-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-05
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC44
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThispartofISO/TR17671givesgeneralrecommendationsforweldingofcladsteelsbymeansofappropriatearcweldingprocessesandelectroslagstripcladding.Itisgenerallyapplicabletoallcladsteelsandisappropriateregardlessofthetypeoffabricationinvolved,althoughtheapplicationstandardmayhaveadditionalrequirements.Non-ferrouscladdings,suchastitanium,tantalum,zirconiumandtheiralloysarenotcoveredbythispartofISO/TR17671.ExamplesforjointpreparationaregiveninISO9692-4.ThispartofISO/TR17671coversweldingofcladdingdepositsaswellasweldingofthetransitionzone(s),whenexisting,betweenparentmetalandcladding.Thesetransitionzonesaremetalcombinationsofnonalloyedferrousparentmetalwithhighalloyedstainlesssteels,nickelalloysorothernon-ferrousmetals.ThemechanicalandphysicaldesignofthejointsisnotcoveredbythispartofISO/TR17671.Methodsoftestingandacceptancelevelsarenotincludedbecausetheydependontheserviceconditionsofthefabrication.Thesedetailsshouldbeobtainedfromthedesignspecification.ThecorrosionresistanceofthecladdingdependsonmanyfactorsandisnotpartofthispartofISO/TR17671.ForgeneralguidelinesseeISO/TR17671-1.
【中国标准分类号】:J33
【国际标准分类号】:25_160_10
【页数】:8P;A4
【正文语种】:英语


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【英文标准名称】:Continuouslyhot-dipaluminium-silicon(AS)coatedsteelstripandsheet-Technicaldeliveryconditions.
【原文标准名称】:连续热浸铝-硅镀层的钢带材和薄钢板.交货技术条件
【标准号】:NFA36-340-2002
【标准状态】:作废
【国别】:法国
【发布日期】:2002-08-01
【实施或试行日期】:2002-08-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:H40
【国际标准分类号】:77_140_50
【页数】:22P;A4
【正文语种】:其他


【英文标准名称】:StandardPracticeforEvaluatingCompatibilityofMixturesofTurbineLubricatingOils
【原文标准名称】:评估涡轮机润滑油混合物互溶性的标准实施规程
【标准号】:ASTMD7155-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D02.C0
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:外观;容量;兼容性;条件;评估;失败;等级;冲击;负荷能力;润滑剂;润滑油;机械的;混合物;油;烘炉;氧化;性能;压力;防护;特性;安全;服务;剪切稳定性;国际单位制;稳定性;试验油;测试;涡轮机油;VG;磨损
【英文主题词】:compatibility;incompatibility;lubricantmixtures;lubricatingoil;mixtures
【摘要】:Thecompatibilityofoilscanbeimportantforusersofoil-lubricatedequipment.Itiswellknownthatthemixingoftwooilscanproduceasubstancemarkedlyinferiortoeitherofitsconstituentmaterials.Oneormoreofthefollowingcanoccur:5.1.1Amixtureofincompatibleoilsmostoftenformsaprecipitate.5.1.2Theprecipitatewillformunwanteddepositsinthelubricationsystem,plugfiltersandoilpassageways.5.1.3Sucheventscanleadtocatastrophicequipmentfailures.Becauseofsuchoccurrences,lubricantsuppliersrecommendevaluatingcompatibilityoflubricatingoilofdifferentformulationsandsourcespriortomixing.Equipmentusersmostoftendonothavetheresourcestoevaluateoilcompatibilityandmustrelyontheirsuppliers.Mixingofoilsisahighlyimprudentpracticewithoutfirstdeterminingthecompatibility.Althoughnewturbineoilsmaybecompatible,in-serviceoilofthesametypemaybedegradedorcontaminatedtosuchanextentthatthenewoiladdedmaynotbecompatiblewiththesystemoil.In-serviceoilcompatibilitywithnewoiladditionsshouldbeevaluatedonacasebycasebasis.Theoxidationresistanceofdifferentoilsofthesametypecanvarywidely,andcompatibilitydoesnotimplyequivalentperformance.1.1ThispracticecoversthecompatibilityofmixturesofturbinelubricatingoilsofthesameISOVGgradeandtypeasdefinedbySpecificationD4304.TheTier1methodcomparesthevisualappearancesofspecificmixtureswiththoseoftheneatoilsafterstorageatspecifiedconditions.1.2Ifthecurrentin-serviceoiliscausingproblemsorifcircumstancesindicatetheneedforadditionaltesting,aTier2methodcomparesselectedperformancepropertiesofthemixtureanditsconstituentoils.1.3TheTier1andTier2methodscanbeusedtoevaluatenew(unused)lubricantcompatibilityortheeffectsofaddingnew(unused)lubricanttoin-servicelubricantinthesystem.1.4Thismethoddoesnotevaluatethewearpreventioncharacteristics,loadcarryingcapacity,orthemechanicalshearstabilityoflubricantsmixtureswhileinservice.Ifanti-wear(AW),extremepressure(EP),orshearstabilityaretobeevaluated,furthertestingoftheseparametersmayberequired.1.4.1Tier1Mixturesofthetwoconstituentoilstobeevaluatedarepreparedatspecifiedproportions,storedinanovenat65176;Cfor168h,andthenevaluatedforchangesinphysicalappearance.1.4.2Tier1-Mixturesofthetwoconstituentoilstobeevaluatedarepreparedatspecifiedproportions,storedinanovenat65176;Cfor168h,andthenevaluatedforchangesphysicalappearanceandparametersdetailedin7.3.1.5Mixturesofthetwoconstituentoilsareevaluatedinaprimarytestingprotocolusingthefollowingstandards:1.5.1Forcompatiblemixtures,asupplemental(nonmandatory)testingschemeissuggestedwhencircumstancesindicatetheneedforadditionaltestingthebeyondTier2primaryrecommendedtests.Note0Theoxidationstabilitytestmethodshouldbeselectedbasedontheproducttypeandinagreementwiththelubricantsupplier(seeforoptions).Unlikeothertestsdescribedinthispractice,theimpactonoxidationstabilitymaynotbeeasilyinterpretedwithapass/failrating.Theuserisencouragedtocontactthelubricantsupplierforassistanceintheevaluationofthedata.1.6Sequentialorconcurrenttestingiscontinueduntilthetestrequestororuserissatisfiedthattheintentofthispracticehasbeenmet.IfanymixturefailstheTier1visualappearancemethodoranyoftheTier2primarytests,whenrequested,theoilsareincompatible.IfallmixturespasstheTier1orTier2tests,theoilsareconsideredcompatiblebythosemethods.......
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:6P.;A4
【正文语种】: