kobelco焊接材料手册2004

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1、OverallIndexListsofWeldingConsumables8ForMildSteeland490MPaHighTensileStrengthSteel22ForWeatherProofSteel84For590-780MPaHighTensileStrengthSteelandLowTemperatureSteel100ForHeat-ResistantLow-AlloySteel148ForStainlessSteel202ForHardfacing260ForCastIron282ForNi

2、ckel-BasedAlloy288HighlyEfficientWeldingProcesses308Appendix322▪Foryourfurtherinformationofweldingconsumablespecifications,classifications,approvalsandpackages,pleasecontactthenearestKobelcoofficeorsalesrepresentative.ForewordAbbreviationsandmarkswithdefinit

3、ionsNotethefollowingpreliminaryinformationonuseofthisweldinghandbook.Thisweldinghandbookusesthefollowingabbreviationsandmarksifnecessary.1.StandardsforweldingconsumablesareabbreviatedasfollowsAbbrev.DefinitionAbbrev.DefinitionandmarkandmarkJIS:JapaneseIndust

4、rialStandardACAlternatingcurrentorAircoolingNLNumberoflayerAWS:AmericanWeldingSociety’sStandardAAmpereNRNotrequiredEN:EuropeanNormAPAllpositionsODOuterdiameterASME:AmericanSocietyofMechanicalEngineers’StandardAWAs-weldedOQOilquenchingBalBalanceOSOffsetstreng

5、th2.ClassificationsforweldingconsumablesareusedinaccordancewiththefollowingrulesCRCoolingrateOSWOne-sideweldingDBEDistancebetweenelectrodesPolPolarityWeldingconsumablesareclassifiedinaccordancewithbasicallythemechanicaland/orDCDirectcurrentPre.HPreheatchemic

6、alrequirementsofthestandards,excludingsuchrequirementsassize,length,markingandDC-ENDC,electrodenegativePTPlatethicknessidentificationmanners.FordetailspleasecontactthenearestKobelcoofficeorsalesDC-EPDC,electrodepositivePWHTPostweldheattreatmentrepresentative

7、.Dia.DiameterRAReductionofareaEGWElectrogasarcweldingRCRedryingconditions3.ThetestconditionsofmechanicalpropertiesandhardnessareasfollowsElElongationRGRootgapExtExtensionofwireRTRoomtemperature(1)Unlessotherwisespecified,impactvaluesareobtainedwithCharpy2mm-

8、Vnotchspecimens.FFlatpositionSAWSubmergedarcwelding(2)Unlessotherwisespecified,tensiontestandhardnesstestarecarriedoutatroomtemperature.FCFurnacecoolingSGShieldinggas(3)Unlessotherwisespecified,