ASTM E1928-2007 估算直薄壁管的近似残余圆周应力的标准实施规范

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【英文标准名称】:StandardPracticeforEstimatingtheApproximateResidualCircumferentialStressinStraightThin-walledTubing
【原文标准名称】:估算直薄壁管的近似残余圆周应力的标准实施规范
【标准号】:ASTME1928-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:E28.13
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:金属导管;金属管道;金属管;质量要求;应力;管道
【英文主题词】:residualstressmeasurement;tubing
【摘要】:1.1Aqualitativeestimateoftheresidualcircumferentialstressinthin-walledtubingmaybecalculatedfromthechangeinoutsidediameterthatoccursuponsplittingalengthofthetubing.Thispracticeassumesalinearstressdistributionthroughthetubewallthicknessandwillnotprovideanestimateoflocalstressdistributionssuchassurfacestresses.(Veryhighlocalresidualstressgradientsarecommonatthesurfaceofmetaltubingduetocolddrawing,peening,grinding,etc.)TheHatfieldandThirkellformula,aslatermodifiedbySachsandEspey,providesasimplemethodforcalculatingtheapproximatecircumferentialstressfromthechangeindiameterofstraight,thin-walled,metaltubing.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:23_040_10;23_040_15
【页数】:3P.;A4
【正文语种】: