【英文标准名称】:StandardSpecificationforCarbonSteelBoltsandStuds,60000PSITensileStrength
【原文标准名称】:抗拉强度为60000PSI的碳素钢螺栓和双头螺栓的标准规范
【标准号】:ASTMA307-2002
【标准状态】:作废
【国别】:美国
【发布日期】:2002
【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】:钢;紧固件
【英文主题词】:steels;fasteners
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:6P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforBearingStrengthofPlastics
【原文标准名称】:塑料支承强度的标准试验方法
【标准号】:ASTMD953-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D20.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:bearingstrength;compressionstrength;plastics;NumberCode83.080.01(Plastingeneral)
【摘要】:Thisbearingstrengthtestforplasticsisintendedtoapplyinthespecificationofvariousthermoplasticorthermosettingproductsinsheetformwhererivets,bolts,orsimilarfasteningsaretobeusedinjoiningmembersorsections.Italsoisintendedtoapplywhereversheetmaterialsoftheclassesindicatedarerequiredtosustainedgewiseloadsthatareappliedbymeansofpinsorrodsofcircularcrosssectionwhichpiercethesheetperpendiculartothesurface.Thepurposeofthetestistodeterminethebearingstrengthofthematerialandtoshowthebearingstressversusthedeformationofthehole.Theallowabledeformationoftheholeinthematerialshouldbesuchastoproducenoloosenessofjoints.Whileitisaknownfactthathigherstrengthmaterialswillgenerallygivehigherbearingstrengths,thereisnosatisfactorymethodbywhichbearingstrengthmaybeestimatedfromtensileorcompressivepropertiesofthematerial.Beforeproceedingwiththistestmethod,referenceshouldbemadetothespecificationofthematerialbeingtested.Anytestspecimenpreparation,conditioning,dimensionsortestingparametersorcombinationthereofcoveredintherelevantASTMmaterialsspecificationshalltakeprecedenceoverthoseinthistestmethod.IftherearenorelevantASTMmaterialspecificationsthenthedefaultconditionsapply.1.1Thistestmethodcoversthedeterminationofthebearingstrengthofrigidplasticsineithersheetform,moldedform,orinthermosetpultrudedform.ProcedureAisapplicablefortensionloadingandProcedureBforcompressionloading.1.2Testdataobtainedbythistestmethodisrelevantandappropriateforuseinengineeringdesign.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThereisnoknownISOequivalenttothisstandard.
【中国标准分类号】:G33
【国际标准分类号】:
【页数】:6P.;A4
【正文语种】:英语