【英文标准名称】:Fluidpowersystemsandcomponents;connectorsandassociatedcomponents;nominaloutsidediametersoftubesandnominalinsidediametersofhoses
【原文标准名称】:流体传动系统和元件管接头及其附件硬管外径和软管内径
【标准号】:ISO4397-1993
【标准状态】:作废
【国别】:国际
【发布日期】:1993-02
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC131
【标准类型】:()
【标准水平】:()
【中文主题词】:液压传动;流体技术;气动设备;配件;直径;液压设备;管;连接器;尺寸;软管接头
【英文主题词】:Connectors;Diameter;Dimensions;Fittings;Fluidtechnology;Hoseconnectors;Hydraulicequipment;Hydraulicfluidpower;Pipes;Pneumaticequipment
【摘要】:Specifiestwoseriesofdiameters:aseriesofnominaloutsidediametersforrigidorsemi-rigidtubes,irrespectiveofmaterialcomposition,andaseriesofnominalinsidediametersforhosesmadeofrubberorplastic.
【中国标准分类号】:J20
【国际标准分类号】:23_100_40
【页数】:2P.;A4
【正文语种】:英语


【英文标准名称】:StandardGuideforConductingCorrosionTestsinFieldApplications
【原文标准名称】:在工厂设备中进行腐蚀试验的标准指南
【标准号】:ASTMG4-2001(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【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】:G01.14
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:corrosivetestspecimens;formsofcorrosion;generalcorrosionrate;in-plantexposures;localizedattack;specificsizeandsurfaceconditions;testduration;testracks;Condenserandheatexchangersystems;Corrosion;Deterioration;Dutchmanrack;Fie
【摘要】:Note18212;ThisguideisconsistentwithNACEStandardRP0497.Observationsanddataderivedfromcorrosiontestingareusedtodeterminetheaveragerateofcorrosionorothertypesofattack,orboth(seeTerminologyG15),thatoccurduringtheexposureinterval.Thedatamaybeusedaspartofanevaluationofcandidatematerialsofconstructionforuseinsimilarserviceorforreplacementmaterialsinexistingfacilities.Thedatadevelopedfromin-planttestsmayalsobeusedasguidelinestothebehaviorofexistingplantmaterialsforthepurposeofschedulingmaintenanceandrepairs.Corrosionratedataderivedfromasingleexposuregenerallydonotprovideinformationoncorrosionratechangeversustime.Corrosionratesmayincrease,decrease,orremainconstant,dependingonthenatureofthecorrosionproductsandtheeffectsofincubationtimerequiredattheonsetofpittingorcrevicecorrosion.1.1Thisguidecoversproceduresforconductingcorrosiontestsinplantequipmentorsystemsunderoperatingconditionstoevaluatethecorrosionresistanceofengineeringmaterials.Itdoesnotcoverelectrochemicalmethodsfordeterminingcorrosionrates.1.1.1Whileintendedprimarilyforimmersiontests,generalguidelinesprovidedcanbeapplicableforexposureoftestspecimensinplantatmospheres,providedthatplacementandorientationofthetestspecimensisnon-restrictivetoaircirculation.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Seealso10.4.2.
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:9P.;A4
【正文语种】:英语