克莱斯勒标准ms-842

《克莱斯勒标准ms-842》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、DAIMLERCHRYSLERCORPORATIONMATERIALSTANDARDNO:MS-482VehicleEngineeringApprovedSourceListRequired:NoChange:GVolume:BSection:1Page:237CARBONSTEEL-0.59TO0.71%CARBON-OILTEMPEREDORANNEALEDSHEETANDSTRIP碳钢—0.59%到0.71%含碳量—油回火或退火的薄板和钢带1.0GENERAL概要Fasteners,springsorclip

2、smanufacturedfromthismaterial,thataresurfacetreatedtoimprovetheircleanliness,appearanceorcorrosionresistance,maybecomehydrogenembrittledwhenexposedtothechemicalsandcoatingmethodsusedinprocessing.Consequently,ifthesepartsaresurfacetreated,itisrequiredthattheybe

3、hydrogenembrittlementrelievedaccordingtotheproceduresdescribedinPS9500.用这种材料制造的紧固件、弹簧或夹子都要进行表面处理，以改善其清洁度、外观或防腐能力，在这些工艺过程中暴露于化学品和使用的涂覆方法可能带来氢脆。因此，如果这些零件进行表面处理，那么表面处理需要根据PS-9500规范的说明来去除氢脆。1.1PurposeoftheStandard***标准的目的Thisstandardcoversagradeofcarbonsteelsimila

4、rincompositiontoSAE1065sheetandstripandconformstoAISIsheetandstripspecification.本标准覆盖了类似于SAE1065薄板和钢带的成分和AISI薄板和钢带的规范的碳钢的牌号。ThissteelistobemadeaccordingtogenerallyapprovedindustrypracticesbytheBasicOxygenFurnace(BOF)orElectricFurnaceProcesses.Itshallbehomogeno

5、us,finegrained,andfreefrominjuriousimperfectionscausedinitsmanufacture,whethersuchimperfectionsbeapparentatthetimeofinspectionoraredevelopedwhilebeingprocessedbythemanufacturer.本钢材是按照碱性氧气转炉和电炉的工艺一般批准的工业用途制造的。它应是同质的，细晶粒没有在制造中产生的有害不完善，不管这个不完善在检查时显现或在制造商生产的过程中产生。

6、1.2PurposeoftheMaterial　材料的用途1.2.1Application　应用ThisstandardisforuseinsupplyingcertainpartsunderpurchaseordersofDaimlerChryslerorits　subsidiaries.Thisstandardislimitedinitsapplicationtothosedrawingsorengineeringillustrationswhichcalloutthisstandardnumber,orwhi

7、chrefertothisstandardwithinsomeotherstandardorspecification.本标准是用于对克莱斯勒及其子公司的采购订单供应零件，在应用时这个标准受那些吊用本标准号的图纸或工程说明的限制，2.0MATERIALCHARACTERISTICS　材料特性2.1GeneralRequirements一般要求ChemicalComposition***化学成分Carbon碳.59to.70%Manganese锰.60to.90%Phosphorus磷Max..030%Sulphur

8、硫Max..035%Silicon硅.15to.35%Thismaterialshallbepurchasedassheetorstripinthe"OilTempered"or"Annealed"conditionandthedrawingshallspecifyinwhichconditionitistobeobtained.这个材料应采购为“油回火”或