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1、word资料下载可编辑MechanicalandMaterialRequirementsforMetric ExternallyThreadedSteelFasteners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,inclusiv
2、e,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、
3、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。1.4Thetermstudasrefer
4、redtoherein,appliestoacylindricalrodofmoderatelength,threadedoneitheroneor bothendsorthroughoutitsentirelength. Itdoesnotapplytoheaded,collared,orsimilarproductswhichare morecloselycharacterizedbyrequirementsshownhereinforbolts.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
5、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. (Designersshouldrecognizetha
6、ttheUconfigurationmaynotsustainaloadequivalenttotwoboltsorstudsofthesamesizeandgrade;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
7、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。2.1.1SAEPUBL
8、ICATIONS—AvailablefromSAE,400CommonwealthDrive,Warrendale,PA15096-0001.SAE美国汽车工程协会出版物专业技术资料word资料下载可编辑SAEJ121M—Decarburizati