ASTM B428-1993(2004) 矩形和正方形铜和铜合金管扭转角的标准试验方法

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【英文标准名称】:StandardTestMethodforAngleofTwistinRectangularandSquareCopperandCopperAlloyTube
【原文标准名称】:矩形和正方形铜和铜合金管扭转角的标准试验方法
【标准号】:ASTMB428-1993(2004)
【标准状态】:现行
【国别】:
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:B05.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;有色金属;合金;铜;扭转角;管;管;铜合金
【英文主题词】:angle;copper;copperalloy;rectangular;square;tube;twist
【摘要】:Therectangularorsquarecopperalloytubecoveredbythistestmethodmaybeusedinapplicationsinwhichcontroloftwistisimportanttoproperfitinfinalassemblyandtominimizereworktobringthetubeintocompliance.Itisrecognizedthattheamountoftwist,indegrees,perincrementoflengthcanchangeasaresultoftheweightoftheproductanditslengthduringmeasurement.Thistestmethodprovidesaprocedureformeasuringthetwistinsquareandrectangularcopperandcopperalloytubesasameasureofthedeviationfromstraightness.Thistestmethodallowsthepurchaserandsupplierormanufacturertoinspectsquareandrectangularcopperandcopperalloytubewithastandardtechniquethatprovidesacceptabletwistindeliveredtubes.1.1Thistestmethodestablishestherequirementsforthedeterminationoftheangleoftwistinrectangularandsquarecopperandcopperalloytube.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H62
【国际标准分类号】:
【页数】:2P.;A4
【正文语种】: