ASTM F 2339-2004 轻型运动飞机用往复式火花点火式发动机的设计和制造的标准实施规程

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【英文标准名称】:Seamlessprecisionsteeltubes-Part1:Dimensions
【原文标准名称】:特殊尺寸精度的精密无缝钢管.第1部分:尺寸
【标准号】:DIN2391-1-1994
【标准状态】:作废
【国别】:德国
【发布日期】:1994-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:精密钢管;无缝管;尺寸;测量精度;钢管;管;钢;公差;名称与符号;极限偏差
【英文主题词】:tolerances(measurement);seamlesspipes;steels;accuracyofmeasurement;limitdeviations;steelpipes;pipes;precisionsteeltubes;dimensions;designations
【摘要】:Thisstandardspecifiesdimensionsforcoldfinished,seamlessprecisionsteeltubesandistobeusedinconjunctionwithDIN2391Part2whichstatestherelevanttechnicaldeliveryconditions.Thepreferredsizeslistedintable2aremainlyusedinmechanicalandautomotiveengineering.Wheresteeltubesofdimensionsspecifiedinthisstandardaretocomplywiththetechnicaldeliveryconditionslistedinsubclause1.2ofDIN2391Part2,theyshallbeorderedinqualitygradeC.
【中国标准分类号】:H48
【国际标准分类号】:23_040_10
【页数】:6P.;A4
【正文语种】:德语


【英文标准名称】:StandardSpecificationforAustemperedDuctileIronCastings
【原文标准名称】:等温淬火球墨铸铁件标准规范
【标准号】:ASTMA897/A897M-2006
【标准状态】:现行
【国别】:美国
【发布日期】:2006
【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】:A04.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:Ausferrite;Austempering;DuctileCastIron;Hardenability;HeatTreatment;ProeutectoidFerrite
【摘要】:1.1Thisspecificationcoversductileironcastingsthataresubsequentlyheattreatedbyanaustemperingprocessasdefinedin.1.2Theapplicationoftheaustemperingheattreatmentextendstherangeofpropertiesachievableinductileironcastings.1.3Noprecisequantitativerelationshipcanbestatedbetweenthepropertiesoftheironinvariouslocationsofthesamecastingorbetweenthepropertiesofcastingsandthoseofatestspecimencastfromthesameiron(see).However,austemperingheattreatmentwilltendtodiminishanydifferencesinmechanicalproperties.1.4Theproductionofcastings,machining(ifrequired),andtheaustemperingheattreatmentsmaybeperformedbydifferentmanufacturers,ascoveredinSection.Thepurchasershouldestablishbycontractagreement,atthetimeofordering,theresponsibilityofthevariouspartiesformeetingthespecificationrequirements.1.5Thevaluesstatedineitherinch-poundorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets[].Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.
【中国标准分类号】:J31
【国际标准分类号】:77_140_80
【页数】:8P.;A4
【正文语种】:英语