钢材牌号意义（significance of steel brand）

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1、钢材牌号意义（Significanceofsteelbrand）First,China'ssteelsaidmethod.Steelgradesarereferredtoasnumber,nameofeachspecificsteelproductsforthepeopletounderstand,isacommonlanguageofsteel.SaidChinesesteel,accordingtothenationalstandard"steelproductdesignation"(GB221-

2、79)requirements,saidbyChinesephoneticalphabet,chemicalelementsymbolsandcombinationofdigitalArabia.Thatis:ThechemicalelementsofsteelthatadoptinternationalchemicalsymbolssuchasSi,Mn,Cr......Etc..Themixedrareearthelementsarerepresentedby"RE"(or"Xt").Product

3、name,use,smeltingandcastingmethodsaregenerallyexpressedinChinesephoneticalphabet.Thecontentofmainchemicalelements(%)insteelisexpressedinArabianumeral.Table:theacronymandmeaningofGBstandardadoptedinsteelNameChinesecharactersSymbolTypefacepositionYieldpoin

4、tQuQCapitalheadRimmedsteelboilingFCapitaltailSemikilledsteelhalfBAlowercaselettertailKilledsteeltownZCapitaltailSpecialkilledsteelTheuxTZCapitaltailOxygenconverter(steel)oxygenYCapitalinBasicairconverter(steel)alkaliJCapitalinFreecuttingsteeleasyYCapital

5、headCarbontoolsteelcarbonTCapitalheadRollingbearingsteelrollingGCapitalheadWeldingrodsteelweldHCapitalheadHighgrade(highqualitysteel)highACapitaltailSuperspecialECapitaltailcoldheadingsteelRivetMLCapitalheadAnchorchainsteelanchorMCapitalheadminingsteelmi

6、neKCapitaltailSteelforautomobilecrossbeambeamLCapitaltailSteelforpressurevesselVolumeRCapitaltailSteelformultilayerorhighpressurevesselHigh-levelGCAlowercaselettertailcaststeelcaststeelZGCapitalheadCaststeelforrollCastingRollsZUCapitalheadSteelforsteelpi

7、peingeologicaldrillinggeologyDZCapitalheadHotrolledsiliconsteelforelectricalpurposesElectrothermalDRCapitalheadColdrollednonorientedsiliconsteelforelectricalpurposesWithoutelectricityDWCapitalheadColdrolledorientedsiliconsteelforelectricalpurposesTakeele

8、ctricDQCapitalheadPureironforelectricalengineeringElectricironDTCapitalheadsuperexceedCCapitaltailMarinesteelshipCCapitaltailBridgesteelBridgeQAlowercaselettertailBoilersteelpotGAlowercaselettertailRailsteelrailUAlowercase