作者:标准资料网 时间:2024-05-09 00:28:18   浏览:9305   来源:标准资料网

【英文标准名称】:StandardPracticeforSamplingNonferrousMetalsandAlloysinCastFormforDeterminationofChemicalComposition
【原文标准名称】:测定化学成分用有色金属及其合金铸件的取样
【标准号】:ASTME88-1991(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】:合金;有色金属;试验;铸模;化学成分;测定;分析;金属;抽样方法;样品;化学分析和试验
【英文主题词】:alloys;castnonferrousmetals;sampling
【摘要】:1.1Thispracticecoversthesampling,forthedeterminationofchemicalcomposition(Note1)ofnonferrousmetalsandalloysincastformforremeltingormechanicalworking.1.1.1RefertoPracticeE255forcopperandcopperalloys.Note1--Theselectionofcorrectportionsofmaterialandthepreparationofarepresentativesamplefromsuchportionsarenecessaryprerequisitestoeveryanalysis,theanalysisbeingofnovalueunlessthesampleactuallyrepresentstheaveragecompositionofthematerialfromwhichitwasselected.1.2Whenagreeduponbetweenthepurchaserandthemanufacturer,theheatsampleandanalysismaybeacceptedasrepresentativeofthecompositionofthemetal.Insuchcases,eachlotmustbeproperlyidentifiedwiththeheatsfromwhichitwasmade.1.3Thispracticeisintendedtocoverthegeneralprinciplesofsamplingapplicabletononferrousmetalsincastformandisnotintendedtosupersedeorreplaceexistingspecificationrequirementsforsamplingofaparticularmaterial.1.4Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,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】: