ASTM E381-2001(2006) 宏观浸蚀试验钢棒材、坯锭、大方坯和锻件的标准方法

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【英文标准名称】:StandardMethodofMacroetchTestingSteelBars,Billets,Blooms,andForgings
【原文标准名称】:宏观浸蚀试验钢棒材、坯锭、大方坯和锻件的标准方法
【标准号】:ASTME381-2001(2006)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:E04.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:棒材;坯锭;初轧方坯;锻件;机械试验;金属;钢;试验
【英文主题词】:bars;billets;blooms;bottom-pouredingots;continuouscastings;forgings;homogeneity;ingots;macrotech;macrostructure;qualitycontrol;steel;sulfurprinting
【摘要】:1.1Macroetching,whichistheetchingofspecimensformacrostructuralexaminationatlowmagnifications,isafrequentlyusedtechniqueforevaluatingsteelproductssuchasbars,billets,blooms,andforgings.1.2Includedinthismethodisaprocedureforratingsteelspecimensbyagradedseriesofphotographsshowingtheincidenceofcertainconditions.Themethodislimitedinapplicationtobars,billets,blooms,andforgingsofcarbonandlowalloysteels.1.3Anumberofdifferentetchingreagentsmaybeuseddependinguponthetypeofexaminationtobemade.Steelsreactdifferentlytoetchingreagentsbecauseofvariationsinchemicalcomposition,methodofmanufacture,heattreatmentandmanyothervariables.Establishmentofgeneralstandardsforacceptanceorrejectionforallconditionsisimpracticalassomeconditionsmustbeconsideredrelativetothepartinwhichitoccurs.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Seethespecificprecautionarystatementin5.3.
【中国标准分类号】:H25
【国际标准分类号】:77_140_85
【页数】:5P.;A4
【正文语种】: