ISO 4017-1999 六角头螺钉产品等级A和B级
作者:标准资料网 时间:2024-05-11 02:23:37 浏览:9796
来源:标准资料网
【英文标准名称】:Hexagonheadscrews-ProductgradesAandB
【原文标准名称】:六角头螺钉产品等级A和B级
【标准号】:ISO4017-1999
【标准状态】:作废
【国别】:国际
【发布日期】:1999-08
【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/TC2
【标准类型】:()
【标准水平】:()
【中文主题词】:交货条件;特性;公差(测量);材料;名称与符号;螺栓;米制螺纹;产品等级;六角头紧固件;螺纹;对边宽度;不锈钢;六角头螺栓;紧固件;无头紧固件;强度等级;规范;尺寸;钢;材料强度;验收规范;六角头螺钉;ISO米制螺纹;有色金属;头;螺钉;轴;尺寸公差
【英文主题词】:Acceptancespecification;Bolts;Deliveryconditions;Designations;Dimensionaltolerances;Dimensions;Fasteners;Head(anatomy);Headlessfasteners;Hexagonheadscrews;Hexagonalheadbolts;Hexagonal-headfasteners;ISOmetricthreads;Materials;Metricscrewthreads;Non-ferrousmetals;Productgrades;Properties;Screws(bolts);Shafts;Specifications;Stainlesssteels;Steels;Strengthclass;Strengthofmaterials;Threads;Tolerances(measurement);Widthacrossflats
【摘要】:ThisInternationalStandardspecifiesthecharacteristicsofhexagonheadscrewswiththreadsfromM1,6uptoandincludingM64,ofproductgradeAforthreadsM1,6toM24andnominallengthsuptoandincluding10dor150mm,whicheverisshorter,andproductgradeBforthreadsoverM24ornominallengthsover10dor150mm,whicheverisshorter.NOTEThistypeofproductisthesameasthatcoveredbyISO4014withtheexceptionofthreadinguptoheadandnominallengthuptoandincluding200mmaspopularlengths.If,inspecialcases,specificationsotherthanthoselistedinthisInternationalStandardarerequired,theyshouldbeselectedfromexistingInternationalStandards,forexampleISO724,ISO888,ISO898-1,ISO965-1,ISO3506-1,ISO4753andISO4759-1.
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:11P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticesforPreparingRockCoreasCylindricalTestSpecimensandVerifyingConformancetoDimensionalandShapeTolerances
【原文标准名称】:制备圆柱形岩心样品以及检验是否符合尺寸规格与形状公差的规程
【标准号】:ASTMD4543-2008
【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】:D18.12
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:conformance;core;diameter;dimensionaltolerances;dimensions;length;rock;specimenpreparation(fortesting);specimenshape;specimensize;Conformance/conformityassessment;Diameter;Dimensions;Length;Rockmaterials/properties/analysis;
【摘要】:p>Thedimensional,shape,andsurfacetolerancesofrockcorespecimensareimportantfordeterminingrockpropertiesofintactspecimens.Thisisespeciallytrueforstrongrocks,greaterthan7250psi(50MPa).DimensionalandsurfacetolerancechecksarerequiredinthetestmethodslistedinSection2.1.Tosimplifytestproceduresinlaboratories,thepartsofthoseproceduresthatarecommontothetestmethodsinSection2.1aregiveninthisstandard.ThisprocedureisapplicabletoallthestandardslistedinSection2.1.However,specimensforTestMethodD2936donotneedtobemachinedortomeetthespecifiedtolerancesforflatnessandparallelism.Themoistureconditionofthespecimenatthetimeofthesamplepreparationcanhaveasignificanteffectuponthestrengthanddeformationcharacteristicsoftherock.Goodpracticegenerallydictatesthatlaboratorytestsbemadeuponspecimensrepresentativeoffieldconditions.Thus,itfollowsthatthefieldmoistureconditionofthespecimenshouldbepreserveduntilthetimeofthetest.Insomeinstances,however,theremaybereasonsfortestingspecimensatothermoisturecontents,fromsaturationtodry.Inanycase,themoisturecontentofthetestspecimenshouldbetailoredtotheproblemathand.Excessmoisturewillaffecttheadhesionofresistancestraingages,ifused,andtheaccuracyoftheirperformance.Adhesivesusedtobondtherocktosteelendpiecesinthedirecttensiontestwillalsobeaffectedadverselybyexcessmoisture.Note28212;Thequalityoftheresultproducedbythesepracticesisdependentuponthecompetenceofthepersonnelperformingitandthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetestingandsampling.UsersofthesepracticesarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Thesepracticesspecifyproceduresforlaboratoryrockcoretestspecimenpreparationofrockcorefromdrillcoreandblocksamplesforstrengthanddeformationtestingandfordeterminingtheconformanceofthetestspecimendimensionswithtolerancesestablishedbythispractice.Cubical,rectangular,orothershapesarenotcoveredbythispractice.However,someoftheinformationcontainedwithinthispracticeandinstandardTestMethodC170maystillbeofusetopreparingothertestspecimenshapes.1.2Rockisacomplexengineeringmaterialthatcanvarygreatlyasafunctionoflithology,stresshistory,weathering,moisturecontentandchemistry,andothernaturalgeologicprocesses.Assuch,itisnotalwayspossibletoobtainorpreparerockcorespecimensthatsatisfythedesirabletolerancesgiveninthispractice.Mostcommonly,thissituationpresentsitselfwithweaker,moreporous,andpoorlycementedrocktypesandrocktypescontainingsignificantorweak(orboth)structuralfeatures.Fortheseandotherrocktypeswhicharedifficulttoprepare,allreasonableeffortsshallbemadetoprepareaspecimeninaccordancewiththispracticeandfortheintendedtestprocedure.However,whenithasbeendeterminedbytrialthatthisisnotpossible,preparetherockspecimentotheclosesttolerancespracticableandconsiderthistobethebesteffort(Note1)andreportitassuchandifallowableornecessaryfortheintendedtest,cappingtheendsofthespecimenasdiscussedinthispracticeispermitted.Note18212;Besteffortinsurfacepreparationreferstotheuseofawel......
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:9P.;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforColorandAppearanceRetentionofVariegatedColorPlasticSidingProducts
【原文标准名称】:杂色塑料壁板产品颜色和外观保持性的标准规范
【标准号】:ASTMD7251-2006e1
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D20.24
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:外观;颜色保持性;塑料制品
【英文主题词】:
【摘要】:1.1Thisspecificationestablishesrequirementsandtestmethodsforthecolorandappearanceretentionofvariegatedcolorplasticsidingproducts.1.2Colorretentiontestingprovidesamethodforestimatingtheacceptabilityofcolorchangeinasidingproductoveraperiodofyearsofservice.1.3Characterizationofcolorandappearanceforvariegatedcolorsiscomplicatedbythepresenceofmultiplecolorsinarandompattern.Theprocedureisbasedonusingatemplatetoreference6spotsforcolormeasurement.1.4Methodsofindicatingcompliancewiththisspecificationareprovided.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note1ThereisnoknownISOequivalenttothisstandard.
【中国标准分类号】:G31
【国际标准分类号】:01_070;83_080_01
【页数】:6P.;A4
【正文语种】:
