51000dwt铸钢件焊接工艺规程说明书

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1、WeldingProcedureSpecificationforSteelCastingJJS/WPS-2001-01铸钢件的CO2半自动气体保护焊/手工电弧焊焊接工艺规程说明书WeldingProcedureSpecificationforCO2Semi-AutomaticArcWelding/ManualMetalArcWeldingforSteelCastingCompiledby:郭建华Checkedby:Verifiedby:靖江造船厂JingjiangShipyard18March,2001-6-WeldingProcedureSpecificationforSteelCast

2、ing1．范围Scope1．1焊接方法WeldingProcessCO2半自动气体保护焊/手工电弧焊CO2Semi-AutomaticArcWelding/ManualMetalArcWelding1．2应用范围ApplicationRange本说明书适用于船体铸钢件的CO2半自动气体保护焊或手工电弧焊。ThisWeldingProcedureSpecificationIsApplytothePurposeofCO2Semi-AutomaticArcWeldingorManualMetalArcWeldingforSteelCasting.2．焊接材料WeldingConsumable焊接

3、方法weldingprocess材料名称Material牌号TradeName尺寸Size(mm)级别Grade制造厂ManufacturerCO2半自动气体保护焊CO2Semi-AutomaticArcWelding药芯焊丝Flux-CoredWireSQJ501NiФ1.23YSAH10天津三英焊业有限公司TianjingSainteagleWeldingCo.,LtdTWE-711Ф1.23SAHH3YSA天泰焊材工业股份有限公司TientaiElectrodeCo.,Ltd气体Gas:CO2纯度Purity≥99%手工电弧焊ManualMetalArcWelding焊条Electr

4、odeJH.E5015Ф3.2,4.0,5.03YH10江阴东青焊接材料有限公司JiangyinDongqingWeldingMaterialCo.,Ltd4．接头细节JointDetail5．焊接顺序WeldingSequence-6-WeldingProcedureSpecificationforSteelCasting6．焊接条件WeldingCondition焊接方法WeldingProcedure直径（mm）Diaofwire电流（A）Current电压（V）Voltage焊接位置WeldingPosition焊接速度Speed气体流量GasflowCO2半自动气体保护焊CO2S

5、emi-AutomaticArcWeldingФ1.2140~20015~20All10~15cm/min20~25l/min手工电弧焊ManualMetalArcWelding6．1焊接要求WeldingRequirement1.焊接之前必须除去预加工边的锈蚀，油污，灰尘，潮湿等。Weldingshouldbedoneafterremovingtherust,oil,dust,moistureetc.2.每道焊层必须用钢丝刷清理打磨干净。Eachlayershouldberemovedslagbywirebrushandgrinding.3.如果坡口用碳弧气刨开设，坡口处的碳迹必须打磨干

6、净。Ifgrooveisair-arcgouged,grindsurfaceofgroovetosmoothandtoremovealltraceofcarbon.4.电焊条须经烘干处理（详见6.5），未经烘干的焊条不得使用。Electrodeshouldbedriedaspersection6.5andshouldnotbeusedwithoutdrying.5.手工焊时焊条的摆动幅度应小于所用焊条直径的3倍。Wideofweavingtobelimitedtolessthanthreetimesofusedelectrodediameter.6．2预热Preheating1.焊缝预热温

7、度为125~200℃（预热范围距焊缝中心为75mm），用电加热器或火焰进行加热并覆盖以绝缘毛毯，预热时必须缓慢且均匀，以避免出现裂纹和变形（每小时约60~100℃）。Weldjointtobepreheatedof125~200℃(measured75mmfromedgeofweldgroove),applyheatslowlyandevenlybyusingelectricalheatingequipmentandto