热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

ASTM A504/A504M-2008 锻制碳素钢轮的标准规范

作者:标准资料网 时间:2024-05-16 07:15:25  浏览:9971   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardSpecificationforWroughtCarbonSteelWheels
【原文标准名称】:锻制碳素钢轮的标准规范
【标准号】:ASTMA504/A504M-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:A01.06
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:freightcarwheels;locomotivewheels;passengercarwheels;railapplications;steelwheels;wroughtsteel;Railroadsteelmaterials--wheels;Shotpeening;Wroughtsteel--specifications
【摘要】:1.1Thisspecificationcoversone-wear,two-wear,andmultiple-wearwroughtcarbonsteelwheelsforlocomotivesandcars,designatedClassesL,A,B,andC,heat-treated,wheels.1.2Theserviceforwhichthevariousclassesareintendedisasfollows:1.2.1ClassBorCwheelsshallbeusedforfreightcarsininterchangeservice.1.2.2ClassBorCwheelsarerecommendedforuseonlocomotives.1.2.3Forpassengercarservice,thevariousclassesareintendedgenerallyasfollows:1.2.3.1ClassLx2014;Highspeedwithmoreseverebrakingconditionsthanotherclassesandlightwheelloads.1.2.3.2ClassAx2014;Highspeedwithmoreseverebrakingconditions,butmoderatewheelloads.1.2.3.3ClassBx2014;Highspeedservicewithseverebrakingconditionsandheavierwheelloads.1.2.3.4ClassCx2014;(1)Servicewithlightbrakingconditionsandheavierwheelloads.1.2.3.5ClassCx2014;(2)Servicewithheavierbrakingconditionswhereoff-treadbrakesareemployed.1.3Theuseoftwo-wearwheelsisrecommendedforfreightcarservice.1.4SupplementaryrequirementsincludedinSpecificationA788/A788Mmaybespecifiedbythepurchaserforforgingsorderedtothisspecification.1.5Thevaluesstatedineitherinch-poundunitsorSI(metric)unitsaretoberegardedseparatelyasthestandard.Withinthetextandtables,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.1.6Unlesstheorderspecifiestheapplicablex201C;Mx201D;specificationdesignation,thematerialshallbefurnishedtotheinch-poundunits1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J32
【国际标准分类号】:43_040_50
【页数】:8P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardSpecificationforSteelScrewSpikes
【原文标准名称】:钢螺纹钉的标准规范
【标准号】:ASTMA66-2001
【标准状态】:作废
【国别】:美国
【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:紧固件;钢
【英文主题词】:Fasteners;Nails;Steels
【摘要】:
【中国标准分类号】:H52
【国际标准分类号】:21_060_10
【页数】:3P;A4
【正文语种】:英语


【英文标准名称】:Informationtechnology-Smallcomputersysteminterface(SCSI)-Part381:OpticalMemoryCardDeviceCommands(OMC)
【原文标准名称】:信息技术小型计算机系统接口(SCSI)第381部分:光存储卡设备命令(OMC)
【标准号】:ISO/IEC14776-381-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Communicationprocedures;Computers;Configuration;Databus;Dataprocessing;Electricalproperties;Informationexchange;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces;Interfaces(dataprocessing);Mechanicalproperties;Multi-contactconnectors;Networkinterconnection;Opticalmemorycards;SCSI;Smallcomputersysteminterface;Specification(approval);Specifications
【摘要】:Thisstandarddefinesthecommandsetextensionstofacilitateoperationofopticalmemorycarddevices.Theclause(s)ofthisstandardpertainingtoopticalmemorycarddeviceclass,implementedinconjunctionwiththeapplicableclausesoftheISO/IEC14776-311SCSI-3PrimaryCommands(SPC)andtheISO/IEC14776-321SCSI-3BlockCommands(SBC),fullyspecifythestandardcommandsetforopticalmemorycarddevices.
【中国标准分类号】:L65
【国际标准分类号】:35_200
【页数】:16P;A4
【正文语种】:英语



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1