JIS G4053-2003 Low-alloyed steels for machine stru

JISJAPANESEINDUSTRIALSTANDARDTranslatedandPublishedbyJapaneseStandardsAssociationLow-alloyedsteelsformachinestructuraluseICs77.140.10;77.140.20;77.140.70Referencenumber:JISG4053:2003(E)PROTECTEDBYCOPYRIGHT12sG4053:2003ForewordThistranslationhasbeenmadebasedontheoriginalJapaneseIndustrialStandardestablishedbytheMinisterofEconomy,TradeandIndustrythroughdeliberationsattheJapaneseIndustrialStandardsCommitteeaccordingtotheproposalofestablishingaJapaneseIndustrialStandardfromTheJapanIronandSteelFederation(JISF),withadraftofIndustrialStandardbasedontheprovisionofArticle12Clause1oftheIndustrialStandardizationLaw.ThisrevisionhasbeenmadebasedonIS0683-1:1987Heat-treatablesteels,alloysteelsandfreecuttingsteels-Part1Direct-hardeningunalloyedandlow-alloyedwroughtsteelinformofdifferentblackproductsandIS0683-11:1987Heat-treatablesteels,alloysteelsandfreecuttingsteels-Part11Wroughtcase-hardeningsteelsforthepurposesofmakingiteasiertocomparethisStandardwithInternationalStandard;toprepareJapaneseIndustrialStandardconformingwithInternationalStandard;andtoproposeadraftofanInternationalStandardwhichisbasedonJapaneseIndustrialStandard,reviewingJISG4102:1979,JISG4103:1979,JISG4104:1979,JISG4105:1979andJISG4106:1979,andintegratingthesefiveJapaneseIndustrialStandardsintooneStandard.Inthisrevision,apartoftheformerspecificationofJISofchemicalcompositionspecificationandsoonarerevisedtomatchtheIS0Standardsmentionedaboveatthelevelof“MOD”inISODECGuide21.Consequently,JISG4102:1979,JISG4103:1979,JISG4104:1979,JISG4105:1979andJISG4106:1979arereplacedwithJISG4053:2003.AttentionisdrawntothepossibilitythatsomepartsofthisStandardmayconflictwithapatentright,applicationforapatentafteropeningtothepublic,utilitymodelrightorapplicationforregistrationofutilitymodelafteropeningtothepublicwhichhavetechnicalproperties.TherelevantMinisterandtheJapaneseIndustrialStandardsCommitteearenotresponsibleforidentifyingthepatentright,applicationforapatentafteropeningtothepublic,utilitymodelrightorapplicationforregistrationofutilitymodelafteropeningtothepublicwhichhavethesaidtechnicalproperties.DateofEstablishment:2003-05-20DateofPublicNoticeinOfficialGazette:2003-05-20Investigatedby:JapaneseIndustrialStandardsCommitteeStandardsBoardTechnicalCommitteeonIronandSteelJISG4053:2003,FirstEnglisheditionpublishedin2003-11Translatedandpublishedby:JapaneseStandardsAssociation4-1-24,Akasaka,Minato-ku,Tokyo,107-8440JAPANIntheeventofanydoubtsarisingastothecontents,theoriginalJISistobethefinalauthority.OJSA2003Allrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromthepublisher.PrintedinJapanPROTECTEDBYCOPYRIGHTG4053:2003ContentsPage11112447778888899991012Introduction.................................................................................................................123455.15.25.35.46788.18.299.19.210Scope....................................................................................................................Normativereferences........................................................................................Classificationandsymbols..............................................................................Chemicalcomposition.......................................................................................Appearanceandshape,dimensionsandtolerancesthereon.....................Hotrolledsteelbarandwirerod.................................................................Hotrolledsteelplateandstrip....................................................................Hotrolledflatsteel.........................................................................................Othersteel........................................................................................................Manufacturingmethod.....................................................................................Tests.....................................................................................................................Inspection............................................................................................................Inspection..........................................................................................................Otherinspections.............................................................................................Marking...............................................................................................................Flatsteel,steelbarandwirerod.................................................................Steelplateandstrip.......................................................................................Report..................................................................................................................AttachedTable1Normativereferences................................................................Annex(informative)ComparisontablebetweenJISandcorr