BS 4L 101-1990 铝基和镁基铸锭和铸件的检验、试验和验收程序
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【英文标准名称】:Procedureforinspection,testingandacceptanceofaluminium-baseandmagnesium-baseingotsandcastings
【原文标准名称】:铝基和镁基铸锭和铸件的检验、试验和验收程序
【标准号】:BS4L101-1990
【标准状态】:现行
【国别】:英国
【发布日期】:1990-12-31
【实施或试行日期】:1990-12-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:认证(认可);验收(鉴定);检修;检验;航空运输工程;试样;镁合金;热处理;等级(质量);铸件;铝合金;试样制备;缺陷与故障;航天技术;铸锭;高聚物;作标记
【英文主题词】:Acceptance(approval);Airtransportengineering;Aluminiumalloys;Castings;Certification(approval);Defects;Grades(quality);Heattreatment;Ingots;Inspection;Magnesiumalloys;Marking;Polymers;Quenching;Repair;Spacetechnology;Specimenpreparation;Testspecimens
【摘要】:Includesrequirementsrelatingtoheattreatmentofcastings,theuseofpolymerquenchant,radiographicdefectsandcertification.Samplestorepresentprecisioncastingsandrequirementsfortherepairofcastingshavebeenincluded.Doesnotincludespecialtestrequirementsforcastingsnotsubjecttocut-uptesting.
【中国标准分类号】:H61
【国际标准分类号】:49_025_20
【页数】:18P;A4
【正文语种】:英语
【英文标准名称】:SpecificationforCured-in-placePipeLiningSystemforRehabilitationofMetallicGasPipes
【原文标准名称】:用于金属煤气管修复的现场处理管衬套系统规范
【标准号】:ANSI/ASTMF2207-2006
【标准状态】:现行
【国别】:美国
【发布日期】:2006-11-21
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:燃气管;金属的;管道内衬;管道系统;现场;修复
【英文主题词】:Gaspipes;Metallic;Pipelinings;Pipesystem;Places;Rehabilitation
【摘要】:Thisspecificationcoversrequirementsandmethodoftestingformaterials,dimensions,hydrostaticburststrength,chemicalresistance,adhesionstrengthandtensilestrengthpropertiesforcured-in-place(CIP)pipelinersinstalledintoexistingmetallicgaspipes,3/4to48in.nominalpipesize,forrenewalpurposes.Themaximumallowableoperatingpressure(MAOP)ofsuchrenewedgaspipeshallnotexceedapressureof300psig(2060kPa).Thecured-in-placepipelinerscoveredbythisspecificationareintendedforuseinpipelinestransportingnaturalgas,petroleumfuels(propane-airandpropane-butanevapormixtures),andmanufacturedandmixedgases,whereresistancetogaspermeation,groundmovement,internalcorrosion,leakingjoints,pinholes,andchemicalattackarerequired.Themediumpressure(upto100psig)cured-in-placepipeliners(SectionA)coveredbythisspecificationareintendedforuseinexistingstructurallysoundorpartiallydeterioratedmetallicgaspipeasdefinedin.Thehighpressure(over100psigupto300psig)cured-in-placepipeliners(SectionB)coveredbythisspecificationareintendedforuseonlyinexistingstructurallysoundsteelgaspipeasdefinedin.CIPlinersareinstalledwithlimitedexcavationusinganinversionmethod(airorwater)andareconsideredtobeatrenchlesspipelinerehabilitationtechnology.Theinvertedlinerisbondedtotheinsidewallofthehostpipeusingacompatibleadhesive(usuallyanadhesiveorpolyurethane)inordertopreventgasmigrationbetweenthehostpipewallandtheCIPlinerand,also,tokeepthelinerfromcollapsingunderitsownweight.Continuedgrowthofexternalcorrosion,ifundetectedandunmitigated,couldresultinlossofthehostpipestructuralintegritytosuchanextentthatthelinerbecomesthesolepressurebearingelementintherehabilitatedpipelinestructure.TheCIPlinerisnotintendedtobeastand-alonepipeandreliesonthestructuralstrengthofthehostpipe.Theoperatormustmaintainthestructuralintegrityofthehostpipesothatthelinerdoesnotbecomefreestanding.MPLCIPliners(SectionA)canbeinstalledinpartiallydeterioratedpipeasdefinedin.Evenforlowpressuregasdistributionsystems,whichtypicallyoperateatlessthan1psig,MPLCIPlinersarenotintendedforuseasastand-alonegascarrierpipebutrelyonthestructuralintegrityofthehostpipe.Therefore,thesafeuseofcured-in-placepipeliningtechnologyfortherehabilitationofexistingcastiron,steel,orothermetallicgaspipingsystems,operatingatpressuresupto100psig,iscontingentonatechnicalassessmentoftheprojectedoperatingconditionofthepipefortheexpected30to50yearlifeoftheCIPliner.Cured-in-placepipelinersareintendedtorepair/rehabilitatestructurallysoundpipelineshavingrelativelysmall,localizeddefectssuchaslocalizedcorrosion,weldsthatareweakerthanrequiredforservice,orloosejoints(castironpipe),whereleaksmightoccur.HPLCIPliners(SectionB)areintendedforuseonlyinexistingstructurallysoundsteelgaspipeasdefinedin.HPLCIPlinersarenotintendedforuseasastand-alonegascarrierpipebutrelyonthestructuralintegrityofthehostpipe.Therefore,thesafeuseofcured-in-placepipeliningtechnologyfortherehabilitationofexistingsteelgaspipingsystems,operatingatpressuresupto300psig,iscontingentonatechnicalassessmentoftheprojectedoperatingconditionofthepipefortheexpected30to50yearlifeoftheCIPliner.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.
【中国标准分类号】:P94
【国际标准分类号】:23_040_01;75_200
【页数】:
【正文语种】:英语
基本信息
| 标准名称： | 滑动轴承 薄壁轴瓦和薄壁筒形轴承的壁厚测量 |
| 中标分类： |
机械 >>
通用零部件 >>
滑动轴承 |
| 发布部门： | 中华人民共和国铁道部 |
| 发布日期： | 1998-02-24 |
| 实施日期： | 1998-09-01 |
| 首发日期： | |
| 作废日期： | |
| 主管部门： | 中华人民共和国铁道部 |
| 提出单位： | 戚墅堰机车车输工艺研究所 |
| 归口单位： | 戚墅堰机车车输工艺研究所 |
| 起草单位： | 戚墅堰机车车输工艺研究所和成都机车车输厂 |
| 起草人： | 蒋田方、张乐山 |
| 出版社： | 中国铁道出版社 |
| 出版日期： | 1998-09-01 |
| 页数： | 11页 |
适用范围
本标准规定了适用于成品状态的薄壁轴瓦薄壁筒形轴承总壁厚测量的检验方法和计量器具。
本标准不适用于热塑性单层筒形轴承的壁厚测量。
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所属分类： 机械 通用零部件 滑动轴承
