【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