ASTM A956-2006 钢制品Leeb硬度的标准试验方法

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【英文标准名称】:StandardTestMethodforLeebHardnessTestingofSteelProducts
【原文标准名称】:钢制品Leeb硬度的标准试验方法
【标准号】:ASTMA956-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:A01.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:硬度测量;钢产品;试验
【英文主题词】:dynamichardnesstest;Equotip;Equotiphardnesstest;Leeb;reboundhardnesstest
【摘要】:Hardnessofamaterialisapoorlydefinedtermthatmayhavemanymeaningsdependingonthetypeoftestperformedandtheexpectationsofthepersoninvolved.TheLeebhardnesstestisofthedynamicorreboundtype,whichprimarilydependsbothontheplasticandontheelasticpropertiesofthematerialbeingtested.Theresultsobtainedareindicativeofthestrengthanddependentontheheattreatmentofthematerialtested.TheLeebhardnesstestisasuperficialdeterminationonlymeasuringtheconditionofthesurfacecontacted.Theresultsgeneratedatthatlocationdonotrepresentthepartatanyothersurfacelocationandyieldnoinformationaboutthematerialatsubsurfacelocations.1.1ThistestmethodcoversthedeterminationoftheLeebhardnessofsteel,caststeel,andcastiron(PartA),includingthemethodsfortheverificationofLeebhardnesstestinginstruments(PartB),andthecalibrationofstandardizedtestblocks(PartC).Note1Theoriginaltitleofthisstandardwas"StandardTestMethodforEquotipHardnessTestingofSteelProducts."1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:12P.;A4
【正文语种】: