【英文标准名称】:StandardTestMethodforAnalysisofLow-AlloySteelsbyX-RayFluorescenceSpectrometry
【原文标准名称】:用X射线荧光光谱法分析低合金钢的标准试验方法
【标准号】:ASTME1085-2009
【标准状态】:现行
【国别】:美国
【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】:E01.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:fluorescence;low-alloysteel;spectrometric;X-ray;Calciumcontent--ironores;Carbonsteel;Inclusions--metals/alloys;Low-alloysteel;Metalsandmetallicmaterials;X-rayemissionspectrometry
【摘要】:Thisprocedureissuitableformanufacturingcontrolandforverifyingthattheproductmeetsspecifications.Thistestmethodprovidesrapid,multielementdeterminationswithsufficientaccuracytoensureproductqualityandminimizeproductiondelays.TheanalyticalperformancedatamaybeusedasabenchmarktodetermineifsimilarX-rayspectrometersprovideequivalentprecisionandaccuracy,oriftheperformanceofaparticularX-rayspectrometerhaschanged.Calciumissometimesaddedtosteeltoeffectinclusionshapecontrolinordertoenhancecertainmechanicalpropertiesofsteel.Thistestmethodisusefulfordeterminingtheresidualcalciuminthesteelaftersuchtreatment.Becausecalciumoccursprimarilyininclusions,theprecisionofthistestmethodisafunctionofthedistributionofthecalcium-bearinginclusionsinthesteel.Thevariationofdeterminationsonfreshlypreparedsurfaceswillgivesomeindicationofthedistributionoftheseinclusions.1.1ThistestmethodcoversthewavelengthdispersiveX-rayfluorescenceanalysisoflow-alloysteelsforthefollowingelements:1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection10.
【中国标准分类号】:H26
【国际标准分类号】:77_040_30
【页数】:6P.;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforRubberSealsUsedinFlat-PlateSolarCollectors
【原文标准名称】:平板太阳能集热器用橡胶密封件的标准规范
【标准号】:ASTMD3667-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D11.37
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:密封;密封件;太阳能集热器;太阳能;硫化橡胶
【英文主题词】:flat-platesolarcollectors;preformeseals;rubber;sealingcompounds
【摘要】:1.1Thisspecificationcoversthegeneralrequirementsformaterialsusedinrubbersealsofflat-platesolarcollectors,exceptverticallymountedpassivecollectors.Particularapplicationsmaynecessitateotherrequirementsthatwouldtakeprecedenc
【中国标准分类号】:F12;G43
【国际标准分类号】:21_140
【页数】:4P.;A4
【正文语种】: