NF L43-386-2002 航空航天系列.8°30'钛合金管接头.凸檐螺母

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【英文标准名称】:StandardPracticeforSamplingWroughtNonferrousMetalsandAlloysforDeterminationofChemicalComposition
【原文标准名称】:测定化学成分用锻制有色金属及其合金铸件的取样
【标准号】:ASTME55-1991(2005)
【标准状态】:现行
【国别】:
【发布日期】:1991
【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】:E01.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:化学分析和试验;抽样方法;金属;可锻合金;分析;工艺;测定;化学成分;有色金属;合金
【英文主题词】:alloys;sampling;wroughtnonferrousmetals
【摘要】:1.1Thispracticecoversthesampling,forthedeterminationofchemicalcomposition(Note1),ofnonferrousmetalsandalloysthathavebeenreducedtotheirfinalformbymechanicalworking;thatis,bysuchmeansasrolling,drawing,andextruding.1.1.1RefertoPracticeE255forcopperandcopperalloys.Note1--Theselectionofcorrectportionsofmaterialandthepreparationofarepresentativesamplefromsuchportionsarenecessaryprerequisitestoeveryanalysis,theanalysisbeingofnovalueunlessthesampleactuallyrepresentstheaveragecompositionofthematerialfromwhichitwasselected.1.2Inspecialcases,whenagreeduponbythepurchaserandthemanufacturer,theheatanalysismaybeacceptedasrepresentativeofthecompositionofthefinishedproduct.Insuchcases,theidentityofeachheatofmetalshouldbemaintainedthrougheachstageofthemanufacturingprocesstothefinalform.Thismethodofsamplingisnotintendedtoapplyundertheseconditions.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H10
【国际标准分类号】:77_040_30
【页数】:2P.;A4
【正文语种】:


【英文标准名称】:Prefabricatedreinforcedcomponentsoflightweightaggregateconcretewithopenstructure(includescorrigendumAC:2003);GermanversionEN1520:2002+AC:2003
【原文标准名称】:透空结构的轻骨料混凝土预制增强构件(包括勘误AC-2003)
【标准号】:DINEN1520-2003
【标准状态】:作废
【国别】:德国
【发布日期】:2003-07
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:体密度;空气干燥;文字书写;定义;尺寸选定;规范(验收);建筑;材料强度;瓦砾;作标记;孔隙率;荷载能力;产品标准;尺寸;轻质混凝土;预制的;加气混凝土;负荷;混凝土构件;包装件;混凝土;硬挺度;组件;密度;特性
【英文主题词】:Aeratedconcretes;Air-dry;Bulkdensity;Components;Concretecomponents;Concretes;Construction;Debris;Definition;Definitions;Density;Dimensioning;Dimensions;Letterings;Lightweightconcrete;Loadcapacity;Loading;Marking;Packages;Porosity;Prefabricated;Productstandards;Properties;Specification(approval);Stiffness;Strengthofmaterials
【摘要】:ThisEuropeanStandardisforprefabricatedreinforcedcomponentsoflightweightaggregateconcretewithopenstructureintendedtobeusedinbuildingconstructions:a)forstructuralelements:-loadbearingwallcomponents(solid,hollowcoreandmultilayer);-retainingwallcomponents(solid)withorwithoutsurchargeloading;-roofcomponents(solid,hollowcoreandmultilayer);-floorcomponents(solid,hollowcoreandmultilayer);-linearcomponents(beamsandpiers).#,,#
【中国标准分类号】:Q72
【国际标准分类号】:91_100_30
【页数】:86P.;A4
【正文语种】:德语