DIN EN 14511-2-2004 空间加热和制冷用带电驱动压缩机的空调、液体冷却包和热泵.第2部分:试验条件

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下一篇: DIN EN 14511-3-2004 空间加热和制冷用带电驱动压缩机的空调、液体冷却包和热泵.第3部分:试验方法

【英文标准名称】:Fluidpowersystemsandcomponents-Cylinder-rodwiper-ringhousingsinreciprocatingapplications-Dimensionsandtolerances.
【原文标准名称】:流体传动系统和元件.往复作用的活塞杆刮垢环罩.尺寸和公差
【标准号】:NFE48-038-2006
【标准状态】:现行
【国别】:法国
【发布日期】:2006-12-01
【实施或试行日期】:2006-12-20
【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】:轴承箱;筒;尺寸;双作用缸;流体工程;流体动力缸;流体技术;箱;液压缸;液压设备;液压传动;液压传动系统;极限偏差;极限(数学);机械工程;活塞杆;气动缸;气动设备;气动传动系统;棒钢环;密封原件;密封件;公差(测量)
【英文主题词】:
【摘要】:
【中国标准分类号】:J20
【国际标准分类号】:23_100_20
【页数】:19P;A4
【正文语种】:其他


【英文标准名称】:StandardPracticesforDetectingSusceptibilitytoIntergranularAttackinFerriticStainlessSteels
【原文标准名称】:铁素体不锈钢晶间腐蚀敏感性检测的标准操作规程
【标准号】:ASTMA763-1993(2004)
【标准状态】:现行
【国别】:
【发布日期】:1993
【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】:A01.14
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:钢;腐蚀;粒间腐蚀;防腐蚀;铁素体钢;试验
【英文主题词】:coppersulfate;corrosiontesting;etchstructures;ferricsulfate;ferriticstainlesssteel;intergranularcorrosion;oxalicacid
【摘要】:1.1Thesepracticescoverthefollowingfourtests:1.1.1PracticeW8212;Oxalicacidetchtestfordetectingsusceptibilitytointergranularattackinstabilizedferriticstainlesssteelsbyclassificationoftheetchingstructures(seeSections3through10).1.1.2PracticeX8212;Ferricsulfate-sulfuricacidtestfordetectingsusceptibilitytointergranularattackinferriticstainlesssteels(Sections11to16).1.1.3PracticeY8212;Copper-coppersulfate-50%sulfuricacidtestfordetectingsusceptibilitytointergranularattackinferriticstainlesssteels(Sections17to22).1.1.4PracticeZ8212;Copper-coppersulfate-16%sulfuricacidtestfordetectingsusceptibilitytointergranularattackinferriticstainlesssteels(Sections23to29).1.2Thefollowingfactorsgoverntheapplicationofthesepractices(1-6):1.2.1PracticeW,oxalicacidtest,isarapidmethodofidentifying,bysimple,electrolyticetching,thosespecimensofcertainferriticalloysthatarenotsusceptibletointergranularcorrosionassociatedwithchromiumcarbideprecipitation.PracticeWisusedasascreeningtesttoavoidthenecessity,foracceptablespecimens,ofmoreextensivetestingrequiredbyPracticesX,Y,andZ.SeeTable1foralistingofalloysforwhichPracticeWisappropriate.1.2.2PracticesX,Y,andZcanbeusedtodetectthesusceptibilityofcertainferriticalloystointergranularattackassociatedwiththeprecipitationofchromiumcarbidesornitrides.1.2.3PracticesW,X,Y,andZcanalsobeusedtoevaluatetheeffectofheattreatmentoroffusionweldingonsusceptibilitytointergranularcorrosion.1.2.4liststheidentificationferriticstainlesssteelsforwhichdataontheapplicationofatleastoneofthestandardpracticesisavailable.1.2.5SomestabilizedferriticstainlesssteelsmayshowhighrateswhentestedbyPracticeXbecauseofmetallurgicalfactorsnotassociatedwithchromiumcarbideornitrideprecipitation.Thispossibilitymustbeconsideredinselectingthetestmethod.Combinationsofalloysandtestmethodsforwhichsuccessfulexperienceisavailableareshownin.Applicationofthesestandardteststotheotherferriticstainlesssteelswillbebyspecificagreementbetweenproduceranduser.1.3Dependingonthetestandalloy,evaluationsmaybeaccomplishedbyweightlossdetermination,microscopicalexamination,orbendtest(Sections30and31).ThechoicesarelistedinTable1.1.4sibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificsafetyprecautionarystatements,see3.2.5,Section7,13.1,and19.1.
【中国标准分类号】:H43
【国际标准分类号】:
【页数】:11P.;A4
【正文语种】: