襯墊焊接工藝

上海中遠(yuǎn)船務(wù)工程有限公司SHANGHAICOSCOSHIPENGINEERINGCO.,LTD.工藝技術(shù)文件TECHNICALDOCUMENT工程名稱WORKSITEM工號(hào)WORKSNUMBER編制ORGNIZATION校對(duì)PROOF-READING審核CHECKBY10mm鋼板對(duì)接焊工藝朱月飛鄒勇李曼璇10mm普通鋼板對(duì)接襯墊焊接工藝。1.材料鋼板的材質(zhì)為10mmNK“B”級(jí)鋼板。必要時(shí)向船檢部門提交鋼板材質(zhì)證書。2.坡口形式及間隙:如圖所示，其焊接坡口為55°+5°，根部間隙為4~5mm。焊道順序?yàn)槠綄?duì)接仰對(duì)接立對(duì)接焊接參數(shù)焊接位置焊道順序焊條焊接電流A焊接電壓V焊接電源AC/DC平焊13.2100-14028-30DC24.0140-16026-30DC34.0140-16026-30DC44.0140-16028-30DC仰焊13.2140-16028-30DC24.0120-16026-30DC34.0120-16026-30DC44.0140-16026-30DC立焊13.290-14028-30DC24.0120-16026-30DC34.0120-16026-30DC焊接材料1） 使用低氫堿性焊條J507（南京廣泰NJ507）且焊條要按規(guī)定在烘箱進(jìn)行烘干處理，時(shí)間為2小時(shí)以上，200攝氏度。2） 焊接材料在保存、使用應(yīng)嚴(yán)格按說(shuō)明書進(jìn)行操作。焊接要求1） 為防止產(chǎn)生氣孔，裂紋等缺陷，施焊前焊縫坡口兩側(cè)范圍區(qū)域的鐵銹、氧化皮、油污和雜物等應(yīng)予清除，并保持清潔和干燥。2） 焊縫末端收口處應(yīng)填滿弧坑。進(jìn)行多道焊時(shí)，在下道焊接之前，應(yīng)將前道焊渣清除并測(cè)量和記錄焊縫的層間溫度。層間溫度控制在100~250°C檢驗(yàn)要求:1）外觀檢驗(yàn)：焊縫應(yīng)有良好的外觀，不許有嚴(yán)重的焊接缺陷（焊瘤、弧坑、咬邊）的存

TheweldingprocedureforbuttjointMaterial:Thesteelplateis10mmNKGrandB.Ifnecessarythesteelplatecertificatetobehandovertosurveyor.ThefittinggapandbevelTypeoftestjointWeldpassdetailWeldingproceduredetailWeldingpositionsRunsSizeoffillermaterialCurrentAVoltageVPolarityAC/DCFlat13.2100-14028-30DC24.0140-16026-30DC34.0140-16026-30DC44.0140-16028-30DCOverhead13.2140-16028-30DC24.0120-16026-30DC34.0120-16026-30DC44.0140-16026-30DCVerticalUpward13.290-14028-30DC24.0120-16026-30DC34.0120-16026-30DCWeldingmaterial:Electrodes:j507(NanjingGuangTaiNJ507)

Keepingdryforelectrodesinthehotboxandtemperatureis200degreesmorethan2hourWeldingrequirementThebuttjointsshouldbecleanedandkeptdrybeforewelding.Water,rust,oil,theironoxideshouldberemovedattheweldingseamarea.It'stobecleanedweldseamandcheckedandrecordedtheinterpasstemperaturebeforenextweld.Aftereachrun,theassemblyistobeleftinstillairuntilithascooledtolessthan250°Cbutnotbelow100°C,thetemperaturebeingtakenatthecenterofweldonthesurfaceofseam.Inspectrequirement:Nopermissiontoexistanywelddefectsuchasspatter,porosity,cracks,undercut,etc.Internalinspectionsbyultrasonicexamination.InspectionandtestTestspecimenpositionEISCAkl：f1ELE□FlH]-J生FEZ；EISCAkl：f1ELE□FlH]-J生FEZ；.]-lEhROOT吃NDTE^TSPELlMEh12mmDH36鋼板對(duì)接襯墊焊接工藝。1.材料鋼板的材質(zhì)為12mmLRDH36鋼板。必要時(shí)向船檢部門提交鋼板材質(zhì)證書。2.坡口形式及間隙:如圖所示，其焊接坡口為55°±5°，根部間隙為4~5mm。焊道順序?yàn)檠鰧?duì)接焊接參數(shù)焊接位置焊道順序焊條焊接電流A焊接電壓V焊接電源AC/DC仰焊13.2140-16028-30DC24.0120-16026-30DC34.0120-16026-30DC44.0140-16026-30DC焊接材料使用低氫堿性焊條J507(南京廣泰NJ507)且焊條要按規(guī)定在烘箱進(jìn)行烘干處理，時(shí)間為2小時(shí)以上，200攝氏度。焊接材料在保存、使用應(yīng)嚴(yán)格按說(shuō)明書進(jìn)行操作。焊接要求為防止產(chǎn)生氣孔，裂紋等缺陷，施焊前焊縫坡口兩側(cè)范圍區(qū)域的鐵銹、氧化皮、油污和雜物等應(yīng)予清除，并保持清潔和干燥。焊縫末端收口處應(yīng)填滿弧坑。進(jìn)行多道焊時(shí)，在下道焊接之前，應(yīng)將前道焊渣清除并測(cè)量和記錄焊縫的層間溫度。層間溫度控制在100~250°C

檢驗(yàn)要求:3）外觀檢驗(yàn)：焊縫應(yīng)有良好的外觀，不許有嚴(yán)重的焊接缺陷（焊瘤、弧坑、咬邊）的存在。焊縫超聲波檢查。4）試驗(yàn)與檢查項(xiàng)目試驗(yàn)位置截棄段宏觀試樣夏比/型缺口沖擊試樣拉伸試樣1:正彎試樣反彎試樣截棄段T 30 TheweldingprocedureforbuttjointMaterial:Thesteelplateis12mmLRGrandDH36.Ifnecessarythesteelplatecertificatetobehandovertosurveyor.ThefittinggapandbevelTypeoftestjointWeldpassdetail□VERHE-I3J3JWeldingproceduredetailWeldingpositionsRunsSizeoffillermaterialCurrentAVoltageVPolarityAC/DCOverhead13.2140-16028-30DC24.0120-16026-30DC34.0120-16026-30DC44.0140-16026-30DCWeldingmaterial:Electrodes:j507(NanjingGuangTaiNJ507)Keepingdryforelectrodesinthehotboxandtemperatureis200degreesmorethan2hourWeldingrequirementThebuttjointsshouldbecleanedandkeptdrybeforewelding.Water,rust,oil,theironoxideshouldberemovedattheweldingseamarea.It'stobecleanedweldseamandcheckedandrecordedtheinterpasstemperaturebeforenextweld.Aftereachrun,theass