对高强度钢的CO2半自动对接焊陶瓷衬垫焊接工艺规程说明书

年4月19日对高强度钢的CO2半自动对接焊陶瓷衬垫焊接工艺规程说明书文档仅供参考PlanOfWeldingProcedureApprovalTest船级社:CCSCLASS:CCS焊接工艺规程说明书对高强度钢CO2半自动对接焊(陶瓷衬垫)WeldingProcedureSpecificationForHighertensilesteelforCO2Semi-AutomaticArcButtWelding(WithCeramicBacking)PlanOfWeldingProcedureApprovalTestCONTENTPlanOfWeldingProcedureApprovalTest······························································1范围Scope·····················································································································31.1焊接方法WeldingProcess····················································································31.2应用范围ApplicationProcess················································································3试验日期及地点Date&PlaceOfTest···············································································3试板准备TestPiecePreparation···················································································3焊接材料WeldingConsumable························································································3焊接设备WeldingEquipment···························································································3接头细节JointDetail········································································································46.1对接(平焊)ButtJoint(FlatWelding)··············································································4焊接条件WeldingCondition····························································································4焊接与程序WeldingPreparation&Procedure································································4试验与检查TestAndExamination···············································································5试样准备TheSpecimenPreparation·············································································6试样尺寸DetailOfTestSpecimen···········································································7冲击试样缺口位置NotchLocationOfImpactSpecimen·····································7抗拉试样TensileSpecimen····················································································7弯曲试样BendSpecimen························································································7冲击试样V-NotchCharpyImpactSpecimen··························································7检验结果ResultOfTest································································································7外表目视检验结论ConclusionOfAppearanceVisualTest····································7机械检验结果MechanicalTestResult···························································7宏观硬度试验Macro-EtchingTest······································································7无损探伤Non-destructiveInspection····································································8结论Result·························································································································8PlanOfWeldingProcedureApprovalTest1、范围Scope1.1焊接方法WeldingProcessCO2半自动焊(带陶瓷衬垫)CO2Semi-automaticwelding(withceramicbacking)1.2应用范围ApplicationScope钢材级别:EH36高强度钢SteelGrade:EH36Highertensilesteel焊接位置:平置、横焊、垂直焊WeldingPosition:Flat、Horizontal、Vertical2、试验日期及地点Date&PlaceOfTest·试验种类Kindoftest日期Date地点Place参加者Attendance验船师Surveyor焊接Welding-03-24焊接Weld顾灯林GuDenlin蔡高拍片Photographic-03-31船体车间Hullshop宋春林蔡高机械试验Mechanical-03-31焊接试验室陆桃LuTao蔡高3、试板准备TestPiecePreparation母材级别:EH36高强度钢BaseMetalClass:EH36Highertensilesteel厚度:35Thickness:35尺寸:1000×300Size:1000×3004、焊接材料WeldingConsumable材料名称Materialname牌号Tradename级别Grade制造厂Manufacturer焊丝WireTY-YJ502(Q)3Y北京金太阳药芯焊丝有限公司Gas:CO25、焊接设备WeldingEquipment封底焊BackCoverWelding型号Type:焊机WeldingMachine:YW-50KB1VTA电源PowerSource:YD-500KR1VTAPlanOfWeldingProcedureApprovalTest制造厂:唐山松下产业机器有限公司Manufacturer:TangShanMastushitaIndustrialEquipment6、接头细节JointDetail(详图)6.1对接(平焊)ButtJoint(FlatWelding)7、焊接条件WeldingCondition焊接顺序WeldingSequence直径(mm)WireDia.电流(A)CurrentVoltage焊接位置WeldingPosition焊接速度(cm/min)气体流量GasFlow(l/min)1Φ1.2220-25025-30FW16-2320-252Φ1.2220-25025-30FW16-2320-253Φ1.2220-25025-30FW16-2320-254Φ1.2220-25025-30FW16-2320-255Φ1.2220-25025-30FW16-2320-256Φ1.2220-25025-30FW16-2320-258、焊接与程序WeldingPreparation&Procedure8.1、检查与修补CheckingandRepairing⑴焊缝间隙最大为10mm。Gapofrootfaceismax.10mm.⑵清除坡口处油污、锈、灰尘等。Removetheoil、dust、rustetcingroove.⑶根据高强度钢焊接性要求,须对焊接区域进行预热至50-100℃,预热范围为焊缝两侧各50Accordingtotherequirementofhightensilesteelweldability,weldingareamustbecarriedouttofore-warmto50-100℃⑷根据焊缝宽度选择合适的陶瓷衬垫,然后均匀地粘贴于焊缝背面.Inaccordancewiththebreadthofweldingseam,choosefitceramicbackingandthenaveragelystickitonthebackofweldingseam.8.2、焊接程序Weldingprocedure⑴每道焊层须检验气孔、药渣等缺陷,待清除后方可进入下道焊接。PlanOfWeldingProcedureApprovalTestEachoftheweldlayerisdisposedandinspecteddefectssuchaspores,overlaps,etcshouldbedisposedofbeforecontinuingnextlayer.⑵焊接后的缺陷如气孔等采用碳刨清除,再进行焊接。Afterwelding,thedefeatssuchasporesetcwillbedisposedbydiggingandweldedlater.8.3二氧化碳焊丝须谨慎使用。CautioustouseCO2wire.⑴雨天、雾天及湿度大的天气不能焊接,焊缝表面如有水分,干燥后再进行焊接。⑵如遇气候有风,应采用挡风板,以防产生气孔等缺陷。Platesofwardingoffwindwillbeadoptedtoavoidcomingintobeingthedefeatssuchasporesetcifitiswindy.⑶焊接结束后须对焊接区域进行保温,以期缓冷,防止骤冷产生裂纹。Aftercompletingweld,weldingareamustbecarriedouttheheatpreservationwhichcanbecoldslowlyandpreventsuddencoldfromcomingintobeingthecrack.9、试验与检查TestAndExamination检验类型KindOfTestExamination数量Number试验温度Testtemp试样编号MarkOfSpecimen目观检查VisualExamination全长FullLength射线探伤X-ray全长FullLength21X1、21X2、21X3抗拉Tensile221T1、21T2根部弯曲Rootbend221RB1、21RB2侧面弯曲Sidebend221FB1、21FB2冲击Macro.impact焊缝中心熔合线Fusionline热影响区1mm热影响区3mm热影响区5mm33333About-2021C1、21C2、21L1、21L2、21HZ11、21HZ12、21HZ1321HZ31、21HZ32、21HZ3321HZ51、21HZ52、21HZ53宏观Macro-Etching121M1、21MPlanOfWeldingProcedureApprovalTest10、试样准备SpecimenPreparation截弃段Discard抗拉Tensile侧弯Sidebend冲击Macro.impact冲击Macro.impact抗拉(纵向)Tensile(longitudinal)备用Spare侧弯Sidebend抗拉Tensile根弯RootBend截弃段Discard11、试样尺寸DetailofTestSpecimen11.1冲击试样缺口位置NotchLocationOfImpactSpecimenA--焊缝中心CenterlineoftheweldsB--熔合线FusionLine(F.L.)C--热影响区1mm1mmD--热影响区1mm3mmE--热影响区1mm5mmPlanOfWeldingProcedureApprovalTest11.2抗拉试样TensileSpecimen11.3弯曲试样(侧弯)BendSpecimen(Sidebend)11.4冲击试样V-NotchCharpyImpactSpecimen12、检验结果ResultOfTest12.1外表目视检验结论:ConclusionOfAppearanceVisualTest:12.2机械检验结果MechanicalTestResult:12.2.1横向拉伸试验结论如下表:Conclusionoftransversaltensiletestinthefollowingtable:试样编号MarkofSpecimen试样厚度ThicknessofSpecimen焊接位置PositionofWelding拉伸试验TensileTest断裂位置PositionofFacture屈服点σsYieldPoint抗拉强度σb21T135F/H/VFHVFHVParentmetal///56155856721T2(Fusion)35F/H/V576494553647552667ParentmetalPlanOfWeldingProcedureApprovalTest12.2.2侧弯试验结论如下表:Conclusionofsidebendtestinthefollowingtable:试样编号MarkofSpecimen试样厚度ThicknessofSpecimen焊接位置PositionofWelding冷弯D=5δ侧弯180ºColdBendD=5δSideBend180º21RB135F/H/VOK21RB235F/H/VOK21FB135F/H/VOK21FB235F/H/VOK12.2.3冲击试验结论如下表:Conclusionofimpacttestinthefollowingtable:编号Mark试样厚度Thickness焊接位置PositionofWelding焊接接头冲击韧性JV缺口-20缺口位置PositionofNotch冲击值(ImpactValue)FHV21C35F/H/V缺口在焊缝中心Inthecenterlineoftheweldingseam83901381254719313413812621L35F/H/V缺口在熔合线上Inthefusionline158102861822191654813515321HZ135F/H/V缺口在熔合线外113416617019494214768312321HZ335F/H/V缺口在熔合线外3120538212689192676310621HZ535F/H/V缺口在熔合线外5143131137213150198938511012.3宏观腐蚀试验M