SAE J412 General Characteristics and Heat Treatments of Steels *HS-30/2000*

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Product Code:SAE J412
Title:General Characteristics and Heat Treatments of Steels *HS-30/2000*
Issuing Committee:Carbon And Alloy Steels Committee
Scope: The information and data contained in this SAE Information Report are intended as a guide in the selection of steel types and grades for various purposes. Consideration of the individual types of steel is preceded by a discussion of the factors affecting steel properties and characteristics. SAE steels are generally purchased on the basis of chemical composition requirements (SAE J403, J404, and J405). High-strength, low alloy (HSLA) steels (SAE J1392 and J1442) are generally purchased on the basis of mechanical properties; different chemical compositions are used to achieve the specified mechanical properties. Because these steels are characterized by their special mechanical properties obtained in the as-rolled condition, they are not intended for any heat treatment by the purchaser either before, during, or after fabrication.In many instances, as in the case of steels listed in SAE J1268 and J1868, hardenability is also a specification requirement. This information report can be used as a reference for determining the general characteristics and applications of commonly used SAE steels. The use of typical heat treatments listed in Tables 1 through 7 is recommended. These and other heat treatments commonly used on steel are briefly described at the end of this section.
Rationale: The information and data contained in this SAE Information Report are intended as a guide in the selection of steel types and grades for various purposes. Consideration of the individual types of steel is preceded by a discussion of the factors affecting steel properties and characteristics. SAE steels are generally purchased on the basis of chemical composition requirements (SAE J403, J404, and J405). High-strength, low alloy (HSLA) steels (SAE J1392 and J1442) are generally purchased on the basis of mechanical properties; different chemical compositions are used to achieve the specified mechanical properties. Because these steels are characterized by their special mechanical properties obtained in the as-rolled condition, they are not intended for any heat treatment by the purchaser either before, during, or after fabrication.In many instances, as in the case of steels listed in SAE J1268 and J1868, hardenability is also a specification requirement. This information report can be used as a reference for determining the general characteristics and applications of commonly used SAE steels. The use of typical heat treatments listed in Tables 1 through 7 is recommended. These and other heat treatments commonly used on steel are briefly described at the end of this section.
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【英文标准名称】:Transfusion;transfusionequipment;nomenclature,requirements,testing
【原文标准名称】:输血.输血设备.第1部分:术语、要求、检验
【标准号】:DIN58360-1-1991
【标准状态】:作废
【国别】:德国
【发布日期】:1991-04
【实施或试行日期】:1991-04-01
【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】:监督(认可);材料;作标记;设备安全;医疗设备;附件;试验;包装件;术语;储存;医学科学;安全工程;输血设备;名称与符号;安全要求;安全;检验;规范(审批)
【英文主题词】:
【摘要】:
【中国标准分类号】:C31
【国际标准分类号】:11_040_20
【页数】:12P;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforCoefficientofRetroreflectionofRetroreflectiveSheetingUtilizingtheCoplanarGeometry
【原文标准名称】:利用共面几何学测试反光板反射系数的标准试验方法
【标准号】:ASTME810-2003(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:E12.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:coefficientofretroreflection;light&x2014;transmissionandreflection;retroreflection/retroreflectors;retroreflectivesheeting;Color--retroreflection/retroreflectors;Lighttransmissionandreflection;Reflectivesheeting
【摘要】:Measurementsmadebythistestmethodarerelatedtovisualobservationsofretroreflectivesheetingasseenbythehumaneyewhenilluminatedbytungsten-filamentlightsourcessuchasamotorvehicleheadlamp.Thevaluesdeterminedrelatetothevisualeffectsforagivengeometricconfigurationasspecifiedbytheuserofthetestmethod.Thistestmethodhasbeenfoundusefulfortestsatobservationanglesbetween0.1and2.0x00B0;(observationanglesbetween0.1x00B0;and0.2x00B0;maybeachievedbycarefuldesignofsourceandreceiverapertureconfiguration),andatentranceanglesupto60x00B0;.Ithasbeenusedtodeterminecoefficientofretroreflectionvaluesaslowas0.1cdx00B7;lxx2212;1x00B7;mx2212;2,butforvalueslessthan1cdx00B7;lxx2212;1x00B7;mx2212;2specialattentionmustbegiventotheresponsivityofthereceiverandtotheeliminationofverysmallamountsofstraylight.1.1Thistestmethoddescribesaninstrumentmeasurementoftheretroreflectiveperformanceofretroreflectivesheeting.1.2Theuserofthistestmethodmustspecifytheentranceandobservationanglestobeused,andmayspecifytherotationangles.1.3Thistestmethodisintendedasalaboratorytestandrequiresafacilitythatcanbedarkenedsufficientlysothatstraylightdoesnotaffectthetestresults.Thetestingapparatusmustbeabletoachievethecoplanargeometry.1.4PortableandbenchretroreflectionmeasuringequipmentmaybeusedtodetermineRAvaluesprovidedthegeometryandappropriatesubstitutionstandardreferencepanels,measuredinaccordancewiththistestmethod,areutilized.InthiscasethemethodsofProcedureBinPracticeE809apply.AdditionalinformationontheuseofportableretroreflectometersmaybefoundinTestMethodE1709.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N30
【国际标准分类号】:17_180_20
【页数】:8P.;A4
【正文语种】:英语