钢材牌号意义（Significance of steel brand）.doc

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1、钢材牌号意义(Significanceofsteelbrand)First,China，ssteelsaidmethod・Steelgradesarereferredtoasnumber,nameofeachspecificsteelproductsforthepeopletounderstand,isacommonlanguageofsteel・SaidChinesesteel,accordingtothenationalstandard"steelproductdesignation〃(GB221-79)requirements,saidbyChine

2、sephoneticalphabet,chemicalelementsymbolsandcombinationofdigitalArabia・Thatis:ThechemicalelementsofsteelthatadoptinternationalchemicalsymbolssuchasSi,Mn,CrEtc・・Themixedrareearthelementsarerepresentedby〃RE〃(or)・Productname,use,smeltingandcastingmethodsaregenerallyexpressedinChinese

3、phoneticalphabet・Thecontentofmainchemicalelements(%)insteelisexpressedinArabianumeral・Table:theacronymandmeaningofGBstandardadoptedinsteelNameChinesecharactersSymbolTypefacepositionYieldpointQuQCapitalheadRimmedsteelboilingFCapitaltailSemikilledsteelhalfBAlowercaselettertailKilled

4、steeltownZCapitaltailSpecialkilledsteelTheuxTZCapitaltailOxygenconverter(steel)oxygenYCapitalinBasicairconverter(steel)alkaliJCapitalinFreecuttingsteeleasyYCapitalheadCarbontoolsteelcarbonTCapitalheadRollingbearingsteelCapitalheadWeldingrodsteelweldHCapitalheadHighgrade(highqualit

5、ysteel)highACapitaltailSuperspecialCapitaltailcoldheadingsteelRivetMLCapitalheadAnchorchainsteelanchorMCapitalheadminingsteelmineCapitaltailSteelforautomobilecrossbeambeamLCapitaltailSteelforpressurevesselVolumeRCapitaltailSteelformultilayerorhighpressurevesselHigh-levelGCAlowerca

6、selettertailcaststeelcaststeelZGCapitalheadCaststeelforrollCastingRollsZUCapitalheadSteelforsteelpipeingeologicaldrillinggeologyDZheadHotrolledsiliconsteelforelectricalpurposesElectrothermalDRCapitalheadColdrollednonorientedsiliconsteelforelectricalpurposesWithoutelectricityDWCapi

7、talheadColdrolledorientedsiliconsteelforelectricalpurposesTakeelectricDQheadPureironforelectricalengineeringElectricironDTCapitalheadsuperexceedCCapitaltailMarinesteelshipCtailBridgesteelBridgeQAlowercaselettertailBoilersteelpotGAlowercaselettertailRailsteelrailUAlowercaseletterhe

8、adPrecisionalloyessenceJCapitali