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【英文标准名称】:StandardTestMethodforAngleofTwistinRectangularandSquareCopperandCopperAlloyTube
【原文标准名称】:矩形和正方形铜及铜合金管中扭转角度用标准试验方法
【标准号】:ASTMB428-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:B05.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:扭转角度;铜;铜合金;矩形管;正方形管;扭转;矩形铜管;正方形Cu/Cu合金管;铜管
【英文主题词】:angleoftwist;copper;copperalloy;rectangulartube;squaretube;twist;RectangularCutube;SquareCu/Cualloytube;Twist;Angleoftwist;Copperalloytube;Coppertube
【摘要】:Therectangularorsquarecopperalloytubecoveredbythistestmethodmaybeusedinapplicationsinwhichcontroloftwistisimportanttoproperfitinfinalassemblyandtominimizereworktobringthetubeintocompliance.Itisrecognizedthattheamountoftwist,indegrees,perincrementoflengthcanchangeasaresultoftheweightoftheproductanditslengthduringmeasurement.Thistestmethodprovidesaprocedureformeasuringthetwistinsquareandrectangularcopperandcopperalloytubesasameasureofthedeviationfromstraightness.Thistestmethodallowsthepurchaserandsupplierormanufacturertoinspectsquareandrectangularcopperandcopperalloytubewithastandardtechniquethatprovidesacceptabletwistindeliveredtubes.1.1Thistestmethodestablishestherequirementsforthedeterminationoftheangleoftwistinrectangularandsquarecopperandcopperalloytube.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H62
【国际标准分类号】:23_040_15
【页数】:3P.;A4
【正文语种】: