Mipope yachitsulo yosasunthika imagawidwa m'mitundu iwiri: mapaipi achitsulo osasunthika (otuluka) osasunthika ndi mapaipi achitsulo (odzigudubuza) osasunthika chifukwa cha njira zawo zopangira zosiyanasiyana.
Ndondomeko mwachidule: kugudubuza kotentha (chitoliro chachitsulo chosasunthika): chubu chozungulira → kutenthetsa → kuboola → kugudubuza mipukutu itatu, kugudubuza mosalekeza kapena kutulutsa → kuchotsa machubu → kukula (kapena kuchepetsa) → kuzirala → chubu cha billet.
Chifukwa cha ntchito zosiyanasiyana, mapaipi achitsulo osasunthika amagawidwa m'magulu otsatirawa: GB / T8162 (mapaipi opanda zitsulo opangira mapulani), Carbon steel No. 20 ndi No. 45 zitsulo;aloyi zitsulo Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo, etc.
GB/T8163 (msokonezo mipope zitsulo kutengerapo madzi) .Izo makamaka ntchito potengera mapaipi madzimadzi pa engineering ndi zida zazikulu.Zoyimira (makalasi) ndi 20, Q345, etc.
GB3087 (mipope yachitsulo yopanda msoko kwa ma boilers otsika ndi apakati) .Imagwiritsidwa ntchito makamaka pa mapaipi operekera madzi otsika ndi apakati pamagetsi opangira mafakitale ndi ma boilers apanyumba. Zida zoyimilira ndi No. 10 ndi No. 20 zitsulo.
GB5310 (mipope yachitsulo yopanda waya yamagetsi othamanga kwambiri). Amagwiritsidwa ntchito makamaka pa kutentha kwakukulu komanso kuthamanga kwambiri kunyamula mitu yamadzimadzi ndi mapaipi pamagetsi opangira magetsi ndi magetsi a nyukiliya. Zida zoimira ndi 20G, 12Cr1MoVG, 15CrMoG, ndi zina zotero.
GB5312 (mpweya wa kaboni ndi carbon-manganese zitsulo zopanda msokonezo mapaipi zitsulo zombo) .Izo makamaka ntchito Class I ndi II kuthamanga mapaipi kwa zombo boilers ndi superheaters.Zinthu zoimira ndi 360, 410, 460 kalasi zitsulo, etc.
GB1479 (mipope yachitsulo yopanda phokoso ya zipangizo za feteleza zothamanga kwambiri) .Amagwiritsidwa ntchito makamaka kunyamula mapaipi amadzimadzi otentha kwambiri komanso othamanga kwambiri pa zipangizo za feteleza za mankhwala.Zinthu zoimira ndi 20, 16Mn, 12CrMo, 12Cr2Mo, etc.
GB9948 (mipope yachitsulo yopanda msoko ya kusweka kwa mafuta a petroleum) .Makina amagwiritsidwa ntchito m'ma boilers, osinthanitsa kutentha ndi mapaipi otumizira madzi mu mafuta osungunula mafuta.Zida zoyimilira ndi 20, 12CrMo, 1Cr5Mo, 1Cr19Ni11Nb ndi zina zotero.
GB3093 (kuthamanga kwachitsulo chosasunthika chitoliro cha injini ya dizilo) chimagwiritsidwa ntchito kwambiri pamapaipi othamanga kwambiri a injini ya jekeseni wa dizilo. Chitoliro chachitsulo chimakhala chitoliro chozizira, ndipo choyimira chake ndi 20A.
GB/T3639 (zozizira zokokedwa kapena zozizira zokhazikika mwatsatanetsatane machubu achitsulo). Amagwiritsidwa ntchito kwambiri pamakina opangira makina ndi zida zosindikizira za kaboni, mapaipi achitsulo omwe amafunikira kulondola kwapamwamba kwambiri komanso kumaliza bwino.
GB/T3094 (chitoliro chozizira-chokoka chopanda msokonezo chachitsulo chopangidwa ndi chitsulo chapadera) chimagwiritsidwa ntchito kwambiri popanga zigawo ndi zigawo zosiyanasiyana, ndipo zinthu zake ndizitsulo zapamwamba za carbon structural zitsulo ndi zitsulo zotsika za alloy.
GB/T8713 (Machubu achitsulo osasunthika m'mimba mwake olondola a hydraulic ndi pneumatic cylinders) Amagwiritsidwa ntchito makamaka popanga mapaipi achitsulo osazizira kapena ozizira okhala ndi mainchesi olondola amkati a hydraulic ndi pneumatic silinda. zitsulo ndi zina zotero.
GB13296 (zitsulo zosapanga dzimbiri zosapanga dzimbiri zosapanga dzimbiri za ma boilers ndi osinthanitsa kutentha). Amagwiritsidwa ntchito makamaka mu boilers, superheaters, heat exchangers, condensers, catalytic chubu, etc. wa makampani mankhwala.Zida zoimirira ndi 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, etc.
GB/T14975 (chitoliro chosapanga dzimbiri chosapanga dzimbiri chopanda chitsulo chogwiritsidwa ntchito mwamapangidwe) chimagwiritsidwa ntchito kwambiri pakumanga (hotelo, chokongoletsera chodyera) ndi makina opangira mabizinesi osagwirizana ndi mpweya, dzimbiri la asidi ndi chitoliro chachitsulo chokhala ndi mphamvu. -3Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, etc.
GB/T14976 (zitsulo zosapanga dzimbiri zosapanga dzimbiri zosapanga dzimbiri zitsulo zoyendera madzi). Zimagwiritsidwa ntchito makamaka pamapaipi otumizira media zowononga. Zida zoyimira ndi 0Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr17Ni12Mo2, 0Cr18Ni12Ti, etc.
YB/T5035 (machubu achitsulo opanda msoko a ma ekisi a shaft casings yamagalimoto). Amagwiritsidwa ntchito kwambiri popanga zitsulo zapamwamba kwambiri za carbon structural steel and alloy structural steel hot-roll-seamless steel machubu amachubu agalimoto a theka-axle ndi machubu opangira ma ekisilo agalimoto. Zida zake zoyimira ndi 45, 45Mn2, 40Cr, 20CrNi3A ndi zina zotero.
API SPEC5CT (Casing and Tubing Specification) idapangidwa ndikusindikizidwa ndi American Petroleum Institute (American Petreleum Institute, yotchedwa "API") ndipo imagwiritsidwa ntchito kwambiri padziko lonse lapansi.
Pakati pawo, casing: chitoliro chochokera pansi pamwamba mu chitsime ndi akalowa chitsime khoma, ndi mapaipi olumikizidwa ndi kolala.The zipangizo zazikulu ndi zitsulo giredi monga J55, N80, ndi P110, ndi zitsulo makalasi monga monga C90 ndi T95 zomwe zimagonjetsedwa ndi hydrogen sulfide corrosion.
Chitoliro chamafuta: Chitoliro chomwe chimayikidwa m'bokosi kuchokera pansi kupita kumtunda wamafuta, ndipo mapaipiwo amalumikizidwa ndi zolumikizira kapena zonse. Zida zazikulu ndi J55, N80, P110, ndi magiredi achitsulo monga C90 ndi T95 omwe ali. kugonjetsedwa ndi hydrogen sulfide corrosion.API SPEC 5L (Line Pipe Specification), yolembedwa ndi kufalitsidwa ndi American Petroleum Institute, imagwiritsidwa ntchito kwambiri padziko lonse lapansi. ndi mafakitale gasi kudzera mu chitoliro mzere.
Mapaipi amizere amaphatikizapo mapaipi opanda msoko ndi owotcherera, ndipo malekezero a chitoliro amakhala ndi malekezero athyathyathya, nsonga za ulusi ndi nsonga zazitsulo;njira kugwirizana ndi mapeto kuwotcherera, kolala kugwirizana, kugwirizana zitsulo, etc.The chuma chachikulu cha chitoliro ndi B, X42, X56, X65, X70 ndi sukulu zina zitsulo.
Zosowekapo zomwe zimagwiritsidwa ntchito popanga mapaipi achitsulo ndi mbale zachitsulo kapena zitsulo zazitsulo.Chifukwa cha zipangizo zosiyanasiyana ndi njira, mipope welded anawagawa ng'anjo welded mipope, kuwotcherera magetsi (kukana kuwotcherera) mapaipi ndi basi Arc welded mipope. lathyathyathya, etc.) welded chitoliro pa zolinga zosiyanasiyana, ndipo lagawidwa mitundu zotsatirazi:
GB/T3091 ( kanasonkhezereka welded zitsulo chitoliro kwa otsika-anzanu kufala madzimadzi). Amagwiritsidwa ntchito potumiza madzi, mpweya, mpweya, mafuta ndi Kutenthetsa madzi otentha kapena nthunzi ndi zina ambiri m'munsi kuthamanga madzimadzi ndi zolinga zina. Woimira zinthu zake ndi Q235A kalasi zitsulo .
GB/T3092 ( kanasonkhezereka welded zitsulo chitoliro kwa otsika-anzanu kufala madzimadzi). Amagwiritsidwa ntchito potumiza madzi, gasi, mpweya, mafuta ndi Kutenthetsa madzi otentha kapena nthunzi ndi zina ambiri m'munsi kuthamanga madzimadzi ndi zolinga zina. Woimira zinthu zake ndi: Q235A kalasi zitsulo.
GB/T14291 (welded zitsulo mipope kwa mgodi conveyance madzimadzi). Amagwiritsidwa ntchito mowongoka msoko welded mapaipi zitsulo mgodi wothinikizidwa mpweya, ngalande, ndi kutsinde kukhetsa gas.Chinthu choyimira ndi Q235A ndi B kalasi zitsulo.
GB/T14980 (Mapaipi achitsulo opangidwa ndi magetsi otsekemera otsika kwambiri) omwe amagwiritsidwa ntchito kwambiri potumiza madzi, zimbudzi, gasi, mpweya, kutentha kwa nthunzi ndi madzi ena otsika kwambiri ndi zolinga zina. Zomwe zimayimilira ndi kalasi ya Q235A zitsulo.
GB/T12770 (zitsulo zosapanga dzimbiri welded zitsulo mapaipi kwa nyumba makina) .Makina ntchito makina, magalimoto, njinga, mipando, hotelo ndi malo odyera kukongoletsa ndi mbali zina zamakina ndi mbali structural.Zida zoyimilira zake ndi 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr1Cr18Ni11, 1Cr01Cr18N9NR9 , ndi zina.
GB/T12771 (zitsulo zosapanga dzimbiri welded mipope zitsulo zoyendera madzimadzi). Zida zoimira ndi 0Cr13, 0Cr19Ni9, 00Cr19Ni11, 00Cr17, 0Cr18Ni11Nb, 0017Cr17Ni14Mo2, etc.
Nthawi yotumiza: Feb-14-2023