Mapaipi esimbi asina musono akakamurwa kuita marudzi maviri: hot-yakakungurutswa (yakasimudzwa) isina musono pombi dzesimbi uye inotonhora-inodhonzwa (yakakungurutswa) isina musono pombi dzesimbi nekuda kwemaitiro avo akasiyana ekugadzira.
Maitiro ekutarisa: inopisa kukungurutswa (yakawedzera musono pombi yesimbi): yakatenderedza chubhu billet → kudziyisa → kubaya → matatu-roll muchinjiko kukunguruka, kuenderera mberi kukunguruka kana extrusion → kubviswa kwechubhu → saizi (kana kuderedza) → kutonhora → billet chubhu.
Pamusana pekushandiswa kwakasiyana-siyana, mapaipi esimbi asina musono akakamurwa kuva marudzi anotevera: GB/T8162 (pombi dzesimbi dzisina musono nokuda kwezvinangwa zvegadziriro), Carbon steel No. 20 uye No. 45 simbi; alloy simbi Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo, nezvimwewo.
GB/T8163 (mapombi esimbi asina musono ekufambisa mvura).Inonyanya kushandiswa kufambisa mapaipi emvura painjiniya nemidziyo mikuru.Zvinhu zvinomiririra (magiredhi) 20, Q345, zvichingodaro.
GB3087 (seamless simbi pombi nokuda yakaderera uye svikiro kumanikidzwa boilers).Inonyanya kushandiswa mapaipi kuti kutakura yakaderera uye svikiro kudzvinyirirwa zvinwiwa mumaindasitiri boilers uye mudzimba boilers.Mumiririri zvinhu No. 10 uye No. 20 simbi.
GB5310 (seamless simbi mapaipi kune yakakwirira pressure boilers).Inonyanya kushandiswa kwepamusoro tembiricha uye yakakwira yekumanikidza kutakura misoro yemvura uye mapaipi pamaboilers mumagetsi emagetsi uye zvidyarwa zvemagetsi enyukireya.Zvinhu zvinomiririra 20G, 12Cr1MoVG, 15CrMoG, nezvimwe.
GB5312 (kabhoni simbi uye kabhoni-manganese simbi isina musono simbi pombi kuti ngarava) .Inonyanya kushandiswa Kirasi I uye II kumanikidzwa mapaipi kuti ngarava boilers uye superheaters.Mumiririri zvinhu 360, 410, 460 simbi mamakisi, etc.
GB1479 (seamless simbi mapaipi e-high-pressure fertilizer equipment).Inonyanya kushandiswa kutakura kupisa kwepamusoro-kupisa uye kwepamusoro-kupisa kwemvura yemvura pamichina yefetereza yemakemikari.Zvinhu zvinomiririra 20, 16Mn, 12CrMo, 12Cr2Mo, nezvimwewo.
GB9948 (seamless simbi pombi kuti petroleum kutsemuka).Inonyanya kushandiswa boilers, kupisa exchangers uye mapaipi pakuendesa zvinwiwa mu petroleum smelters.Mumiririri wayo zvinhu 20, 12CrMo, 1Cr5Mo, 1Cr19Ni11Nb uye zvichingodaro.
GB3093 (high pressure seamless steel pombi ye diesel engine) .Inonyanya kushandiswa kune yakakwirira-kudzvinyirira mafuta mapaipi ejini injini yedhiziri masisitimu.Iyo pombi yesimbi inowanzoita pombi inotonhorera, uye inomiririra zvinhu ndeye 20A.
GB/T3639 (inotonhora-inodhonzwa kana inotonhora-yakakungurutswa precision seamless simbi machubhu) .Inonyanya kushandiswa pamichina zvimiro uye kabhoni press midziyo, simbi pombi inoda yakakwirira dimensional kururama uye yakanaka pamusoro finish.Its mumiririri zvinhu 20, 45 simbi zvichingodaro.
GB/T3094 (inotonhora-inodhonzwa seamless simbi pombi special-shaped simbi pombi).Inonyanya kushandiswa kugadzira mativi akasiyana-siyana emuumbirwo nezvikamu, uye zvinhu zvayo ndeyepamusoro-mhando kabhoni structural simbi uye yakaderera-alloy structural simbi.
GB/T8713 (Precision yomukati dhayamita seamless simbi machubhu for hydraulic uye pneumatic humburumbira) .Inonyanya kushandiswa kugadzira inotonhora-inodhonzwa kana kutonhora-akakungurutswa seamless simbi pombi nemadhayamita chaiwo yomukati nokuda hydraulic uye pneumatic cylinders.Its mumiririri zvinhu 20, 45 simbi zvichingodaro.
GB13296 (stainless steel seamless tubes for boilers and heat exchangers).Inonyanya kushandiswa mumaboilers, superheaters, heat exchangers, condensers, catalytic tubes, nezvimwewo zvemakemikari enterprises.Its mumiririri zvinhu 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, etc.
GB/T14975 (stainless simbi isina musono simbi pombi kuti structural kushandiswa).Inonyanya kushandiswa ruzhinji chimiro (hotera, resitorendi kushongedzwa) uye kemikari bhizinesi mechanical chimiro chinopesana nemhepo, acid corrosion uye simbi pombi ine mamwe simba.Its mumiririri zvinhu 0-3Cr13, 0Cr18Ni9, 1Cr18Ni9, 1Cr18Ni9, etc.
GB/T14976 (stainless simbi isina musono pombi yekufambisa mvura).Inonyanya kushandiswa mapaipi anotakura corrosive media.Representative materials are 0Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr17Ni12Mo2, 0Cr18Ni12Ti, etc.
YB/T5035 (seamless simbi machubhu emotokari ekisero shaft casings).Inonyanya kushandiswa kugadzira yakakwirira-mhando kabhoni structural simbi uye alloy structural simbi inopisa-yakakungurutswa seamless simbi machubhu emotokari hafu-ekisi casings uye ekisero machubhu for drive axle housings.Its, mumiririri zvinhu 40M5 20CrNi3A uye zvichingodaro.
API SPEC5CT (Casing and Tubing Specification) inounganidzwa uye yakaburitswa neAmerican Petroleum Institute (American Petreleum Institute, inonzi "API") uye inowanzoshandiswa pasirese.
Pakati pavo, casing: pombi inotambanudza kubva pasi pevhu ichipinda mugomba semucheka wemadziro etsime, uye mapaipi akabatanidzwa nemakorari.Zvinhu zvikuru ndezviyero zvesimbi zvakadai seJ55, N80, uye P110, uye makirasi esimbi akadai seC90 neT95 ayo anopesana nehydrogen sulfide corrosion.
Oiri pombi: Pombi inopinzwa mugomba kubva pasi pevhu kusvika kune mafuta layer, uye mapaipi anobatanidzwa nekubatanidza kana integrally.Zvinhu zvikuru ndeye J55, N80, P110, uye magiredhi esimbi akadai seC90 neT95 ayo asingamirire ku hydrogen sulfide corrosion.API SPEC 5L (Mutsara Pipe rinoshandiswa neAmerican Specification, rakagadzirwa neAmerican Pipe Specification world.Line pombi: ndeyekutakura oiri, gasi kana mvura kubva mugomba kuenda kuindasitiri yemafuta negasi kuburikidza nepombi yemutsetse.
Mapaipi emutsetse anosanganisira mapaipi asina musono uye akasungwa, uye migumo yepombi ine migumo yakati sandara, magumo ane shinda uye zvigadziko; nzira dzekubatanidza ndeyekupedzisira welding, collar connection, socket connection, etc.Nyaya huru yepombi ndeye B, X42, X56, X65, X70 uye mamwe magiredhi esimbi.
Ma blanks anoshandiswa pa welded steel pombi ma plates esimbi kana strip steel. Nemhaka yezvinhu zvavo zvakasiyana-siyana uye maitiro, mapaipi akaiswa akakamurwa kuva muchoto welded pombi, yemagetsi welding (resistance welding) mapaipi uye otomatiki arc welded pombi.Nekuda kwechimiro chayo chekupedzisira, chakakamurwa kuita denderedzwa rakashongedzwa pombi uye yakakosha-yakaumbwa (square, flat, etc.) welded pombi yezvinangwa zvakasiyana, uye inokamurwa kuita zvinotevera:
GB/T3091 (galvanized welded steel pipe for low-pressure fluid transmission) .Inonyanya kushandiswa pakufambisa mvura, gasi, mhepo, mafuta uye kudziyisa mvura inopisa kana chiutsi uye zvimwewo zvakaderera kudzvinyirirwa zvinwiwa nezvimwe zvinangwa.Iyo inomiririra zvinhu ndeyeQ235A giredhi simbi.
GB/T3092 (galvanized welded steel pipe for low-pressure fluid transmission) .Inonyanya kushandiswa pakufambisa mvura, gasi, mhepo, mafuta uye kudziyisa mvura inopisa kana chiutsi uye zvimwewo zvawo zvakaderera kudzvinyirirwa zvinwiwa nezvimwe zvinangwa.Iyo inomiririra zvinhu ndeye: Q235A giredhi simbi.
GB/T14291 (welded simbi mapaipi kuti mugodhi fluid conveyance).Inonyanya kushandiswa yakatwasuka musono welded simbi mapaipi nokuda mugodhi compressed mweya, drainage, uye shaft discharge gas.Its mumiririri zvinhu Q235A uye B giredhi simbi.
GB/T14980 (Large-diameter electric-welded steel pipes for low-pressure fluid transmission) .Inonyanya kushandiswa pakufambisa mvura, tsvina, gasi, mhepo, kupisa mhepo uye mamwe mvura yakaderera uye zvimwe zvinangwa.Iyo inomiririra zvinhu ndeyeQ235A giredhi simbi.
GB/T12770 (stainless simbi welded simbi mapaipi nokuda michini zvimiro) .Inonyanya kushandiswa muchina, motokari, mabhasikoro, fenicha, hotera uye resitorendi kushongedzwa uye zvimwe mechanical zvikamu uye structural parts.Its mumiririri zvinhu 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni18 etc.
GB/T12771 (stainless steel welded steel pipes for fluid transportation).Mumiriri zvinhu 0Cr13, 0Cr19Ni9, 00Cr19Ni11, 00Cr17, 0Cr18Ni11Nb, 0017Cr17Ni14Mo2, nezvimwewo.
Nguva yekutumira: Feb-14-2023