SAEJ1199公制外螺纹钢制紧固件机械性能与材料要求中文版

MechanicalandMaterialRequirementsforMetricExternallyThreadedSteelFasteners公制外螺纹钢制紧固件机械性能与材料要求1.Scope范围1.1ThisSAEStandardcoversthemechanicalandmaterialrequirementsforeightpropertyclassesofsteel,externallythreadedmetricfastenersinsizesM1.6throughM36,inclusive,andsuitableforuseinautomotiveandrelatedapplications.本SAE标准涵盖汽车及相关工业使用，尺寸在M1.6到M36钢铁外螺纹紧固件的八个性能等级的机械性能与材料要求。1.2Productsincludedarebolts,screws,studs,U-bolts,preassembledscrewandwasherassemblies(sems),andproductsmanufacturedthesameassemsexceptwithoutwasher.产品包括：螺栓、螺钉、螺柱、U型螺栓、预装配的螺钉和垫片组件以及与预装配组件一样加工的无垫圈产品。1.3Productsnotcoveredaretappingscrews,thread-rollingscrews,andself-drillingscrews.MechanicalandmaterialrequirementsfortheseproductsarecoveredinotherSAEdocuments.产品不包括自攻螺钉、自挤螺钉、钻尾螺钉。这些产品的机械性能与材料要求包含在SAE另外的标准中。1.4Thetermstudasreferredtoherein,appliestoacylindricalrodofmoderatelength,threadedoneitheroneorbothendsorthroughoutitsentirelength.Itdoesnotapplytoheaded,collared,orsimilarproductswhicharemorecloselycharacterizedbyrequirementsshownhereinforbolts.螺柱这里是指适用于中等长度圆柱杆，螺纹在一端有或两端都有，或全螺纹的产品。它并不适用于有头的、带定位的或类似于本文中所要求的螺栓特性近似的产品。1.5Forspecificationpurposes,thisdocumenttreatsU-boltsasstuds.Thus,whereverthewordstudsappears,U-boltsisalsoimplied.U-boltscoveredbythisdocumentarethoseusedprimarilyinthesuspensionandrelatedareasofvehicles.(DesignersshouldrecognizethattheUconfigurationmaynotsustainaloadequivalenttotwoboltsorstudsofthesamesizeandgrade;thusactualload-carryingcapacityofU-boltsshouldbedeterminedbysaddleloadtests.)为了规范，本标准将U型螺栓是为螺柱。因此，本文中涉及到的螺柱要求，U型螺栓同样适用。本文所提及的U型螺栓是使用于车辆悬挂位置或相关位置的产品。（设计者应了解到同样尺寸、等级的U型螺栓与两个螺栓或螺柱的载荷是不相等的，因此，U型螺栓的实际承载应以鞍型荷重测试方法来判定。2References参考资料2.1ApplicablePublications—Thefollowingpublicationsformapartofthisspecificationtotheextentspecifiedherein.Unlessotherwiseindicated,thelatestissueofSAEpublicationsshallapply.适用版本-下列出版物作为本标准的一部分。除非另有规定，应采用SAE最新版本标准。2.1.1SAEPUBLICATIONS—AvailablefromSAE,400CommonwealthDrive,Warrendale,PA15096-0001.SAE美国汽车工程协会出版物SAEJ121M—DecarburizationinHardenedandTemperedMetricThreadedFasteners公制螺纹紧固件淬硬和回火的脱碳要求SAEJ123—SurfaceDiscontinuitiesonBolts,Screws,andStudsinFatigueApplications用于疲劳载荷的螺栓、螺钉及螺柱的表面不连续性SAEJ429—MechanicalandMaterialRequirementsforExternallyThreadedFasteners外螺纹紧固件的机械性能及材料要求SAEJ1061—SurfaceDiscontinuitiesonGeneralApplicationBolts,Screws,andStuds通用螺栓、螺钉及螺柱的表面不连续性2.1.2ASTMPUBLICATIONS—AvailablefromASTM,100BarrHarborDrive,WestConshohocken,PA19428-2959.ASTM美国材料与试验协会出版物ASTMA307—SpecificationforCarbonSteelBoltsandStuds,60000psiTensile抗拉强度60kpsi碳钢螺栓、螺柱的相关规范要求ASTMA354—SpecificationforQuenchedandTemperedAlloySteelBolts,Studs,andOtherExternallyThreadedFasteners淬火和回火合金钢螺栓、螺柱和其他外螺纹紧固件的标准规范ASTMA449—SpecificationforQuenchedandTemperedSteelBoltsandStuds淬火和回火钢制螺栓及螺柱的标准规范ASTMF606M—StandardTestMethodsforDeterminingtheMechanicalPropertiesofExternallyandInternallyThreadedFasteners,Washers,andRivets测定外螺纹及内螺纹紧固件、垫圈及铆钉的机械特性的试验方法(米制)2.1.3ASMEPUBLICATION—AvailablefromASME,345East47Street,NewYork,NY10017-2330.ASME美国机械工程师协会出版物ASMEB18.2.13.Designations标示3.1Propertyclassesaredesignatedbynumberswhereincreasingnumbersgenerallyrepresentincreasingtensilestrengths.Thedesignationsymbolconsistsoftwoparts:性能等级由数字标示，数字越大通常代表抗拉强度越大。标示符号由两部分组成：a.Thefirstnumeralofatwo-digitsymbolorthefirsttwonumeralsofathree-digitsymbolapproximates1/100oftheminimumtensilestrengthinMPa.二个数字符号的第一个数或三个数字符号的前两位数接近最小抗拉强度（MPa）的1/100。b.Thelastnumeralapproximates1/10oftheratioexpressedasapercentagebetweenminimumyieldstressandminimumtensilestress.最后一个数字约1/10的比率表示为最小屈服强度与最小抗拉强度指间的百分比。3.2Forspecificationpurposes(onengineeringdrawings,purchaseorders,etc.)allpropertyclassdesignationsareusedincombinationwithasinglebasicspecificationnumberasfollows:为了规范（在工程图、采购订单等文件中），所有性能等级标示使用由单个基本规范的数字组合，如下所示：SAEJ1199(4.6)SAEJ1199(4.8)SAEJ1199(5.8)SAEJ1199(8.8)SAEJ1199(9.8)SAEJ1199(10.9)3.3PropertyClasses性能等级3.3.1Machinescrewsarenormallyavailableonlyinclasses4.8and9.8;otherbolts,screws,andstudsareavailableinallclasseswithinthespecifiedproductsizelimitationsgiveninTables1Aand1B.机械螺钉通常仅适用于4.8级和9.8级；其他螺栓、螺钉和螺柱适用于表1A和表1B所规定所有等级。3.3.2Screwandwasherassemblies(sems)arecoveredbyclasses4.8and9.8andallowabledeviationsfromnormal9.8requirementsarestatedinfootnotesthroughoutthedocument.螺钉和垫片组件涵盖在4.8级和9.8级中，偏离正常9.8级的允差要求在整篇文档有脚注。3.3.3Attheoptionofthemanufacturer,class5.8maybesuppliedwitheitherclass4.6or4.8isordered,andclass4.8maybesuppliedwhenclass4.6isordered.供应商可自行选择：4.6级或4.8级订单产品可按5.8级提供；4.6级订单产品可按4.8级提供。3.4ConversionGuidance转换指导3.4.1Forguidancepurposesonly,toassistdesignersinselectingapropertyclass:仅为引导目的，以协助设计者选着性能等级：a.Class4.6isapproximatelyequivalenttoSAEJ429,Grade1andASTMA307,GradeA.4.6级性能强度近似于SAEJ429等级1和ASTMA307等级A的性能强度。b.Class5.8isapproximatelyequivalenttoSAEJ429,Grade2.5.8级性能强度近似于SAEJ4292级的性能强度。c.Class8.8isapproximatelyequivalenttoSAEJ429,Grade5,andASTMA449.8.8级性能强度近似于SAEJ4295级和ASTMA499的性能强度。d.Class9.8haspropertiesapproximately9%strongerthanSAEJ429,Grade5,andASTMA449.9.8级机械性能强度比SAEJ4295级和ASTMA499的强度高约9%。e.Class10.9isapproximatelyequivalenttoSAEJ429,Grade8,andASTMA354,GradeBD.10.9级性能近似于SAEJ4298级和ASTM