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 yakakosha-yakaumbwa nesimbi pombi).Inonyanya kushandiswa kugadzira zvikamu zvakasiyana-siyana zvemaumbirwo uye zvikamu, uye zvinhu zvayo ndeyepamusoro-mhando kabhoni structural simbi uye yakaderera-alloy structural simbi.
GB/T8713 (Precision yemukati dhayamita isina seamless simbi machubhu e hydraulic uye pneumatic cylinders) .Inonyanya kushandiswa kugadzira pombi dzesimbi dzinotonhorwa kana kuti dzinotonhora dzakakungurutswa dzine madhayamita chaiwo emukati ma 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, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, nezvimwewo.
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 (machubhu esimbi asina musono emotokari ekisero shaft casings). Inonyanya kushandiswa kugadzira yepamusoro-soro kabhoni structural simbi uye alloy structural simbi inopisa-yakakungurutswa seamless simbi machubhu emotokari hafu-ekisi casings uye ekisero machubhu ekutyaira axle housings. Zvishandiso zvaro zvinomiririra 45, 45Mn2, 40Cr, 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 mutsime seyakagadzika yemadziro etsime, uye mapaipi akabatanidzwa nemakora.Zvinhu zvikuru ndeyesimbi mamakisi akadai J55, N80, uye P110, uye simbi mamakisi akadaro. seC90 uye T95 iyo inoshingirira kune hydrogen sulfide corrosion.
Oil pombi: Pombi inopinzwa mugomba kubva pasi pevhu kusvika paoiri layer, uye mapaipi akabatana nekubatana kana integrally.Zvinhu zvikuru zvinoti J55, N80, P110, uye magiredhi esimbi akadai seC90 neT95 ayo ari. resistant to hydrogen sulfide corrosion.API SPEC 5L (Line Pipe Specification), yakanyorwa uye yakatsikiswa neAmerican Petroleum Institute, inowanzoshandiswa pasi rose.Line pipe: ndeyekutakura oiri, gasi kana mvura kubva mugomba kuenda kuoiri. uye gasi indasitiri kuburikidza mutsetse pombi.
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, emagetsi 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 yakakamurwa mumhando dzinotevera:
GB/T3091 (galvanized welded steel pipe for low-pressure fluid transmission) .Inonyanya kushandiswa kufambisa mvura, gasi, mhepo, mafuta uye kudziyisa mvura inopisa kana chiutsi uye zvimwewo zvakaderera kudzvinyirira zvinwiwa nezvimwe zvinangwa.Its mumiririri zvinhu Q235A 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 zvinwiwa zvakaderera uye zvimwe zvinangwa. simbi.
GB/T14291 (welded simbi pombi 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-kudzvinyirira uye zvimwe zvinangwa.Iyo inomiririra zvinhu ndeyeQ235A giredhi. simbi.
GB/T12770 (stainless steel welded steel pipes for mechanical structures) .Inonyanya kushandiswa mumichina, motokari, mabhasikoro, fenicha, hotera neresitorendi kushongedzwa uye zvimwe mechanical zvikamu uye structural parts.Its mumiririri zvinhu 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr1Cr18N9 , nezvimwewo.
GB/T12771 (stainless steel welded steel pipes for fluid transportation).Mumiriri zvinhu 0Cr13, 0Cr19Ni9, 00Cr19Ni11, 00Cr17, 0Cr18Ni11Nb, 0017Cr17Ni14Mo2, nezvimwewo.
Nguva yekutumira: Feb-14-2023