【英文标准名称】:Dentalrotaryinstruments.Specificationfordiamondinstruments
【原文标准名称】:牙科用旋转器械.第6部分:金刚石器械规范
【标准号】:BS6828Pt.6-1987
【标准状态】:作废
【国别】:英国
【发布日期】:1987-05-29
【实施或试行日期】:
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:牙科设备;变形;金刚石刀具;统计质量控制;牙科旋切器;抽样方法;材料强度;牙科器械;牙科学;角(几何学);尺寸;试验条件
【英文主题词】:dentalequipment;diamondtools;strengthofmaterials;testingconditions;dentalinstruments;dentalrotary-cuttinginstruments;dentistry;samplingmethods;dimensions;deformation;angles(geometry);statisticalqualitycontrol
【摘要】:
【中国标准分类号】:C33
【国际标准分类号】:11_060_20
【页数】:28P.;A4
【正文语种】:英语


【英文标准名称】:Steelsforquenchingandtempering-Generaltechnicaldeliveryconditions
【原文标准名称】:淬硬钢和回火钢.通用交货技术条件
【标准号】:BSEN10083-1-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-08-31
【实施或试行日期】:2006-08-31
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:验收规范;化学成分;分类;稳定性(机械性能);定义;交货条件;名称与符号;尺寸;优质钢;精整;硬度;热处理;热处理钢;检验;生产过程;作标记;标志;材料;金属;顺序示度;定单;包装件;生产;性能;半成品;规范(验收);钢;测试;公差(测量)
【英文主题词】:
【摘要】:ThispartofEN10083specifiesthegeneraltechnicaldeliveryrequirementsfor-semi-finishedproducts,hotformed,e.g.blooms,billets,slabs(seeNOTES2and3),-bars(seeNOTE2),-rod,-wideflats,-hot-rolledstripandsheet/plate,-forgings(seeNOTE2)manufacturedfromthedirecthardeningnonalloysteelsforquenchingandtempering(seeEN10083-2),thedirecthardeningalloysteelsforquenchingandtempering(seeEN10083-3),thenonalloyflameandinductionhardeningsteels(seeEN10083-2)andthealloyflameandinductionhardeningsteels(seeEN10083-3),andsuppliedinoneoftheheattreatmentconditionsgivenforthedifferenttypesofproductsintherelevanttablesofEN10083-2andEN10083-3andinoneofthesurfaceconditionsgivenintherelevanttablesofEN10083-2andEN10083-3.Thesteelsaregenerallyintendedforthemanufactureofquenchedandtempered,flameorinductionhardenedmachineparts,butcanalsobeusedinthenormalizedcondition(seeEN10083-2).Whereapplicable,therequirementsformechanicalpropertiesgiveninEN10083-2andEN10083-3arerestrictedtotherelevanttablesinthesedocuments.NOTE1EuropeanStandardsonsimilargradesarelistedinAnnexC.NOTE2Hammerforgedsemi-finishedproducts(blooms,billets,slabsetc.),seamlessrolledringsandhammerforgedbarsareinthefollowingcoveredundersemi-finishedproductsorbarsandnotundertheterm"forgings".NOTE3Specialagreementsshouldbemadewhenorderingun-workedcontinuouslycastsemi-finishedproducts.NOTE4InaccordancewithEN10020,thesteelscoveredbyEN10083-2:2006arequalityandspecialsteels,thesteelscoveredbyEN10083-3:2006arespecialsteels.Thedifferencesbetweenqualityandspecialsteelsarecharacterizedbythefollowingrequirements,whicharevalidforspecialsteelsonly:-theminimumimpactvaluesinthequenchedandtemperedcondition(fornonalloyspecialsteelsinthecaseofmeanpercentagesbymassofcarbon<0,50%only);-limitinghardenabilityvaluesintheJominytest(fornonalloysteelsinthecaseofpercentagesbymassofcarbon>0,30%only);-limitedoxideinclusioncontent;-lowermaximumcontentsforphosphorusandsulphur.NOTE5ThisEuropeanStandarddoesnotapplyforbrightsteelproducts.ForbrightsteelproductsEN10277-1andEN10277-5apply.Inspecialcases,variationsinthesetechnicaldeliveryrequirementsoradditionstothemmaybeagreedatthetimeofenquiryandorder(seeAnnexB).InadditiontothespecificationsofthisEuropeanStandard,thegeneraltechnicaldeliveryconditionsgiveninEN10021areapplicableunlessotherwisespecified.
【中国标准分类号】:H40
【国际标准分类号】:77_140_10
【页数】:28P;A4
【正文语种】:英语