年4月19日對(duì)高強(qiáng)度鋼的CO2半自動(dòng)對(duì)接焊陶瓷襯墊焊接工藝規(guī)程說(shuō)明書文檔僅供參考PlanOfWeldingProcedureApprovalTest船級(jí)社:CCSCLASS:CCS焊接工藝規(guī)程說(shuō)明書對(duì)高強(qiáng)度鋼CO2半自動(dòng)對(duì)接焊(陶瓷襯墊)WeldingProcedureSpecificationForHighertensilesteelforCO2Semi-AutomaticArcButtWelding(WithCeramicBacking)PlanOfWeldingProcedureApprovalTestCONTENTPlanOfWeldingProcedureApprovalTest······························································1范圍Scope·····················································································································31.1焊接方法WeldingProcess····················································································31.2應(yīng)用范圍ApplicationProcess················································································3試驗(yàn)日期及地點(diǎn)Date&PlaceOfTest···············································································3試板準(zhǔn)備TestPiecePreparation···················································································3焊接材料WeldingConsumable························································································3焊接設(shè)備WeldingEquipment···························································································3接頭細(xì)節(jié)JointDetail········································································································46.1對(duì)接(平焊)ButtJoint(FlatWelding)··············································································4焊接條件WeldingCondition····························································································4焊接與程序WeldingPreparation&Procedure································································4試驗(yàn)與檢查TestAndExamination···············································································5試樣準(zhǔn)備TheSpecimenPreparation·············································································6試樣尺寸DetailOfTestSpecimen···········································································7沖擊試樣缺口位置NotchLocationOfImpactSpecimen·····································7抗拉試樣TensileSpecimen····················································································7彎曲試樣BendSpecimen························································································7沖擊試樣V-NotchCharpyImpactSpecimen··························································7檢驗(yàn)結(jié)果ResultOfTest································································································7外表目視檢驗(yàn)結(jié)論ConclusionOfAppearanceVisualTest····································7機(jī)械檢驗(yàn)結(jié)果MechanicalTestResult···························································7宏觀硬度試驗(yàn)Macro-EtchingTest······································································7無(wú)損探傷Non-destructiveInspection····································································8結(jié)論Result·························································································································8PlanOfWeldingProcedureApprovalTest1、范圍Scope1.1焊接方法WeldingProcessCO2半自動(dòng)焊(帶陶瓷襯墊)CO2Semi-automaticwelding(withceramicbacking)1.2應(yīng)用范圍ApplicationScope鋼材級(jí)別:EH36高強(qiáng)度鋼SteelGrade:EH36Highertensilesteel焊接位置:平置、橫焊、垂直焊WeldingPosition:Flat、Horizontal、Vertical2、試驗(yàn)日期及地點(diǎn)Date&PlaceOfTest·試驗(yàn)種類Kindoftest日期Date地點(diǎn)Place參加者Attendance驗(yàn)船師Surveyor焊接Welding-03-24焊接Weld顧燈林GuDenlin蔡高拍片Photographic-03-31船體車間Hullshop宋春林蔡高機(jī)械試驗(yàn)Mechanical-03-31焊接試驗(yàn)室陸桃LuTao蔡高3、試板準(zhǔn)備TestPiecePreparation母材級(jí)別:EH36高強(qiáng)度鋼BaseMetalClass:EH36Highertensilesteel厚度:35Thickness:35尺寸:1000×300Size:1000×3004、焊接材料WeldingConsumable材料名稱Materialname牌號(hào)Tradename級(jí)別Grade制造廠Manufacturer焊絲WireTY-YJ502(Q)3Y北京金太陽(yáng)藥芯焊絲有限公司Gas:CO25、焊接設(shè)備WeldingEquipment封底焊BackCoverWelding型號(hào)Type:焊機(jī)WeldingMachine:YW-50KB1VTA電源PowerSource:YD-500KR1VTAPlanOfWeldingProcedureApprovalTest制造廠:唐山松下產(chǎn)業(yè)機(jī)器有限公司Manufacturer:TangShanMastushitaIndustrialEquipment6、接頭細(xì)節(jié)JointDetail(詳圖)6.1對(duì)接(平焊)ButtJoint(FlatWelding)7、焊接條件WeldingCondition焊接順序WeldingSequence直徑(mm)WireDia.電流(A)CurrentVoltage焊接位置WeldingPosition焊接速度(cm/min)氣體流量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、焊接與程序WeldingPreparation&Procedure8.1、檢查與修補(bǔ)CheckingandRepairing⑴焊縫間隙最大為10mm。Gapofrootfaceismax.10mm.⑵清除坡口處油污、銹、灰塵等。Removetheoil、dust、rustetcingroove.⑶根據(jù)高強(qiáng)度鋼焊接性要求,須對(duì)焊接區(qū)域進(jìn)行預(yù)熱至50-100℃,預(yù)熱范圍為焊縫兩側(cè)各50Accordingtotherequirementofhightensilesteelweldability,weldingareamustbecarriedouttofore-warmto50-100℃⑷根據(jù)焊縫寬度選擇合適的陶瓷襯墊,然后均勻地粘貼于焊縫背面.Inaccordancewiththebreadthofweldingseam,choosefitceramicbackingandthenaveragelystickitonthebackofweldingseam.8.2、焊接程序Weldingprocedure⑴每道焊層須檢驗(yàn)氣孔、藥渣等缺陷,待清除后方可進(jìn)入下道焊接。PlanOfWeldingProcedureApprovalTestEachoftheweldlayerisdisposedandinspecteddefectssuchaspores,overlaps,etcshouldbedisposedofbeforecontinuingnextlayer.⑵焊接后的缺陷如氣孔等采用碳刨清除,再進(jìn)行焊接。Afterwelding,thedefeatssuchasporesetcwillbedisposedbydiggingandweldedlater.8.3二氧化碳焊絲須謹(jǐn)慎使用。CautioustouseCO2wire.⑴雨天、霧天及濕度大的天氣不能焊接,焊縫表面如有水分,干燥后再進(jìn)行焊接。⑵如遇氣候有風(fēng),應(yīng)采用擋風(fēng)板,以防產(chǎn)生氣孔等缺陷。Platesofwardingoffwindwillbeadoptedtoavoidcomingintobeingthedefeatssuchasporesetcifitiswindy.⑶焊接結(jié)束后須對(duì)焊接區(qū)域進(jìn)行保溫,以期緩冷,防止驟冷產(chǎn)生裂紋。Aftercompletingweld,weldingareamustbecarriedouttheheatpreservationwhichcanbecoldslowlyandpreventsuddencoldfromcomingintobeingthecrack.9、試驗(yàn)與檢查TestAndExamination檢驗(yàn)類型KindOfTestExamination數(shù)量Number試驗(yàn)溫度Testtemp試樣編號(hào)MarkOfSpecimen目觀檢查VisualExamination全長(zhǎng)FullLength射線探傷X-ray全長(zhǎng)FullLength21X1、21X2、21X3抗拉Tensile221T1、21T2根部彎曲Rootbend221RB1、21RB2側(cè)面彎曲Sidebend221FB1、21FB2沖擊Macro.impact焊縫中心熔合線Fusionline熱影響區(qū)1mm熱影響區(qū)3mm熱影響區(qū)5mm33333About-2021C1、21C2、21L1、21L2、21HZ11、21HZ12、21HZ1321HZ31、21HZ32、21HZ3321HZ51、21HZ52、21HZ53宏觀Macro-Etching121M1、21MPlanOfWeldingProcedureApprovalTest10、試樣準(zhǔn)備SpecimenPreparation截棄段Discard抗拉Tensile側(cè)彎Sidebend沖擊Macro.impact沖擊Macro.impact抗拉(縱向)Tensile(longitudinal)備用Spare側(cè)彎Sidebend抗拉Tensile根彎RootBend截棄段Discard11、試樣尺寸DetailofTestSpecimen11.1沖擊試樣缺口位置NotchLocationOfImpactSpecimenA--焊縫中心CenterlineoftheweldsB--熔合線FusionLine(F.L.)C--熱影響區(qū)1mm1mmD--熱影響區(qū)1mm3mmE--熱影響區(qū)1mm5mmPlanOfWeldingProcedureApprovalTest11.2抗拉試樣TensileSpecimen11.3彎曲試樣(側(cè)彎)BendSpecimen(Sidebend)11.4沖擊試樣V-NotchCharpyImpactSpecimen12、檢驗(yàn)結(jié)果ResultOfTest12.1外表目視檢驗(yàn)結(jié)論:ConclusionOfAppearanceVisualTest:12.2機(jī)械檢驗(yàn)結(jié)果MechanicalTestResult:12.2.1橫向拉伸試驗(yàn)結(jié)論如下表:Conclusionoftransversaltensiletestinthefollowingtable:試樣編號(hào)MarkofSpecimen試樣厚度ThicknessofSpecimen焊接位置PositionofWelding拉伸試驗(yàn)TensileTest斷裂位置PositionofFacture屈服點(diǎn)σsYieldPoint抗拉強(qiáng)度σb21T135F/H/VFHVFHVParentmetal///56155856721T2(Fusion)35F/H/V576494553647552667ParentmetalPlanOfWeldingProcedureApprovalTest12.2.2側(cè)彎試驗(yàn)結(jié)論如下表:Conclusionofsidebendtestinthefollowingtable:試樣編號(hào)MarkofSpecimen試樣厚度ThicknessofSpecimen焊接位置PositionofWelding冷彎D=5δ側(cè)彎180oColdBendD=5δSideBend180o21RB135F/H/VOK21RB235F/H/VOK21FB135F/H/VOK21FB235F/H/VOK12.2.3沖擊試驗(yàn)結(jié)論如下表:Conclusionofimpacttestinthefollowingtable:編號(hào)Mark試樣厚度Thickness焊接位置PositionofWelding焊接接頭沖擊韌性JV缺口-20缺口位置PositionofNotch沖擊值(ImpactValue)FHV21C35F/H/V缺口在焊縫中心Inthecenterlineoftheweldingseam83901381254719313413812621L35F/H/V缺口在熔合線上Inthefusionline158102861822191654813515321HZ135F/H/V缺口在熔合線外113416617019494214768312321HZ335F/H/V缺口在熔合線外3120538212689192676310621HZ535F/H/V缺口在熔合線外5143131137213150198938511012.3宏觀腐蝕試驗(yàn)M