Amapayipi ensimbi angenamthungo ahlukaniswe abe izinhlobo ezimbili: amapayipi ensimbi agingqiwe (extruded) angenamthungo kanye namapayipi ensimbi adonswa ngokubanda (agoqiwe) angenamthungo ngenxa yezinqubo zawo ezihlukene zokukhiqiza.
Uhlolojikelele lwenqubo: ukugoqa okushisayo (ipayipi lensimbi elingenamthungo elikhishiwe): ishubhu eliyindilinga billet → ukushisisa → ukubhoboza → ukugoqa okuphambanayo okunama-roll amathathu, ukugoqeka okuqhubekayo noma ukukhishwa → ukukhishwa kweshubhu → ukusika (noma ukunciphisa) → ukupholisa → ishubhu ye-billet.
Ngenxa yokusetshenziswa kwawo okuhlukene, amapayipi ensimbi angenamthungo ahlukaniswa abe yizinhlobo ezilandelayo: I-GB/T8162 (amapayipi ensimbi angenamthungo ngezinjongo zesakhiwo),Insimbi ye-Carbon No. 20 kanye ne-No. 45 steel;ingxubevange yensimbi Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo, njll.
I-GB/T8163 (amapayipi ensimbi angenamthungo okudlulisa uketshezi).Isetshenziselwa ikakhulukazi ukudlulisa amapayipi oketshezi kubunjiniyela kanye nemishini emikhulu.Izinto ezimele (amabanga) ziyi-20, Q345, njll.
I-GB3087 (amapayipi ensimbi angenamthungo kuma-boilers aphansi naphakathi).Isetshenziselwa ikakhulukazi amapayipi okudlulisa uketshezi olucindezelayo oluphansi naphakathi kuma-boilers ezimboni kanye nama-boilers asekhaya.Izinto ezimele ziyi-No. 10 kanye ne-20 yensimbi.
I-GB5310 (amapayipi ensimbi angenamthungo wamaboilers omfutho ophezulu).Isetshenziselwa ikakhulukazi izinga lokushisa eliphezulu kanye nezihloko zoketshezi zokuthutha ezinomfutho ophezulu kanye namapayipi kuma-boilers ezitshalweni zamandla enuzi.Izinto ezimele i-20G, 12Cr1MoVG, 15CrMoG, njll.
I-GB5312 (i-carbon steel kanye ne-carbon-manganese steel amapayipi ensimbi engenamthungo emikhunjini).Isetshenziselwa ikakhulukazi amapayipi okucindezela e-Class I kanye ne-II yamabhoyili emikhumbi nama-superheaters.Izinto ezimele ziyi-360, 410, 460 amamaki ensimbi, njll.
I-GB1479 (amapayipi ensimbi angenamthungo emishini kamanyolo enomfutho ophezulu).Isetshenziselwa ikakhulukazi ukuthutha amapayipi amanzi ashisa kakhulu futhi anomfutho ophezulu emishinini yomanyolo wamakhemikhali.Izinto ezimele ziyi-20, 16Mn, 12CrMo, 12Cr2Mo, njll.
I-GB9948 (amapayipi ensimbi angenamthungo okuqhekeka kwe-petroleum).Ikakhulukazi asetshenziswa kumabhayela, izinto ezishintsha ukushisa namapayipi okudlulisa uketshezi ku-petroleum smelters.Izinto eziwumelayo ziyi-20, 12CrMo, 1Cr5Mo, 1Cr19Ni11Nb njalo njalo.
I-GB3093 (ipayipi lensimbi engenamthungo ephezulu yokucindezela kwenjini yedizili).Isetshenziselwa ikakhulukazi amapayipi kaphethiloli anomfutho ophezulu wezinhlelo zokujova injini yedizili.Ipayipi lensimbi ngokuvamile liyipayipi elidonsa abandayo, futhi impahla yalo elimele lingu-20A.
I-GB/T3639 (amashubhu ensimbi angenamthungo adonswa kubanda noma agingqike ngokubanda). Ikakhulukazi isetshenziselwa izakhiwo zemishini kanye nemishini yokucindezela i-carbon, amapayipi ensimbi adinga ukunemba kobukhulu obuphezulu kanye nokuqedwa okuhle kwendawo.Into emele yona yinsimbi engama-20, 45 njalo njalo.
I-GB/T3094 (ipayipi lensimbi elibandayo elidonsayo elingenamthungo). Isetshenziselwa kakhulu ukwenza izingxenye nezingxenye zesakhiwo ezihlukahlukene, futhi impahla yayo iyinsimbi yekhwalithi ephezulu ye-carbon structural steel nensimbi yesakhiwo esiyingxubevange ephansi.
I-GB/T8713 (Amashubhu ensimbi angenamthungo angaphakathi obubanzi obunembile wamasilinda amanzi kanye nawowomoya). Isetshenziselwa kakhulu ukwenza amapayipi ensimbi adonswa ngokubanda noma agoqelwe ngokubanda angenamthungo anomadayamitha anembile angaphakathi amasilinda amanzi kanye nawomoya.Izinto eziwumelayo ziyi-20, 45 insimbi nokunye.
I-GB13296 (amashubhu ensimbi angenamthungo ama-boilers kanye nezishintshisi zokushisa).Isetshenziswa kakhulu kuma-boilers, ama-superheaters, ama-heaters, ama-condensers, amashubhu e-catalytic, njll. yamabhizinisi amakhemikhali.Izinto ezimele zona 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, njll.
I-GB/T14975 (ipayipi lensimbi engenamthungo ukuze lisetshenziswe ngokwesakhiwo). Isetshenziselwa ikakhulukazi isakhiwo esijwayelekile (ihhotela, umhlobiso wendawo yokudlela) kanye nesakhiwo samakhemikhali sebhizinisi elimelana nomoya, ukugqwala kwe-asidi kanye nepayipi lensimbi elinamandla athile.Izinto ezimele zona ziyi-0 -3Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, njll.
I-GB/T14976 (ipayipi lensimbi engenamthungo yokuthutha uketshezi). Isetshenziselwa ikakhulukazi amapayipi adlulisa imidiya egqwalayo.Izinto ezimelelayo yi-0Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr17Ni12Mo2, 0Cr18Ni12Mo2, njll.
I-YB/T5035 (amashubhu ensimbi angenamthungo wama-axle shaft casings yemoto). Isetshenziswa kakhulu ukwenza insimbi yekhwalithi ephezulu ye-carbon structural kanye ne-alloy structural steel hot-roll rolled seamless steel casings amashubhu e-axle emoto kanye namashubhu e-axle ezindlu ze-axle yokushayela. Izinto zayo ezimele ziyi-45, 45Mn2, 40Cr, 20CrNi3A njalonjalo.
I-API SPEC5CT (Casing and Tubing Specification) ihlanganiswe futhi yanyatheliswa yi-American Petroleum Institute (American Petreleum Institute, ebizwa ngokuthi "API") futhi isetshenziswa kakhulu emhlabeni jikelele.
Phakathi kwazo, i-casing: ipayipi elisuka endaweni engaphansi liye emthonjeni kanye nolwelwesi lodonga lomthombo, futhi amapayipi axhunywe ngamakholomu. Izinto eziyinhloko zingamamaki ensimbi afana ne-J55, N80, ne-P110, kanye namabanga ensimbi anjalo. njenge-C90 ne-T95 ezimelana nokugqwala kwe-hydrogen sulfide.
Ipayipi likawoyela: Ipayipi elishuthekwa egodini lisuka endaweni engaphansi liye endaweni kawoyela, kanti amapayipi axhunywa ngokuxhumanisa noma ngokuhlanganisa. Izinto eziyinhloko yi-J55, N80, P110, kanye namabanga ensimbi afana ne-C90 ne-T95 ukumelana ne-hydrogen sulfide corrosion.I-API SPEC 5L (Ukucaciswa Kwepayipi Lomugqa), eyahlanganiswa futhi yanyatheliswa yi-American Petroleum Institute, isetshenziswa kakhulu emhlabeni jikelele.Ipayipi lolayini: elokuthutha uwoyela, igesi noma amanzi ukusuka ku-shaft kuya kuwoyela kanye nemboni yegesi ngokusebenzisa ipayipi likalayini.
Amapayipi olayini ahlanganisa amapayipi angenamthungo nashiselwe, kanti iziphetho zamapayipi zineziphetho eziyisicaba, iziphetho ezinentambo kanye neziphetho zesokhethi;izindlela zokuxhuma ukuphela kwe-welding, uxhumano lwekhola, uxhumano lwesokhethi, njll.Into eyinhloko yepayipi yi-B, X42, X56, X65, X70 namanye amamaki ensimbi.
Izikhala ezisetshenziselwa amapayipi ensimbi ashiselwe amapuleti ensimbi noma i-strip steel.Ngenxa yezinto zabo ezihlukene kanye nezinqubo, amapayipi ahlanganisiwe ahlukaniswe amapayipi ashiselwe esithandweni, amapayipi kagesi welding (resistance welding) kanye namapayipi othomathikhi we-arc ashiselwe. flat, njll.) ipayipi elishiselwe ngezinhloso ezahlukene, futhi ihlukaniswe yaba izinhlobo ezilandelayo:
I-GB/T3091 (ipayipi lensimbi elishiselwe ugesi lokudlulisa uketshezi olunomfutho ophansi). Isetshenziselwa kakhulu ukudlulisa amanzi, igesi, umoya, uwoyela kanye nokushisisa amanzi ashisayo noma isitimu kanye nolunye uketshezi oluvamile olunomfutho ophansi kanye nezinye izinjongo.Impahla emele insimbi yezinga le-Q235A .
I-GB/T3092 (ipayipi lensimbi elishiselwe ugesi lokudlulisa uketshezi olunomfutho ophansi). Isetshenziselwa kakhulu ukudlulisa amanzi, igesi, umoya, uwoyela kanye nokushisisa amanzi ashisayo noma isitimu kanye nolunye uketshezi olujwayelekile lomfutho ophansi kanye nezinye izinjongo.Into emele yona yile: Q235A grade insimbi.
I-GB/T14291 (amapayipi ensimbi ashiselwe okuthutha uketshezi lwasemayini). Isetshenziselwa ikakhulukazi amapayipi ensimbi athungelwe ngomthungo oqondile wamapayipi omoya ocindezelwe emayini, i-drainage, kanye negesi yokukhipha i-shaft. Impahla emele insimbi ye-Q235A ne-B grade.
I-GB/T14980 (Amapayipi ensimbi anobubanzi obukhulu kagesi ashiselwe ukuhambisa uketshezi olunomfutho ophansi). Ikakhulukazi isetshenziselwa ukuhambisa amanzi, indle, igesi, umoya, isitimu sokushisisa nolunye uketshezi olunomfutho ophansi nezinye izinjongo.Into emele yona yizinga le-Q235A insimbi.
I-GB/T12770 (amapayipi ensimbi ashiselwe ensimbi engagqwali yezakhiwo eziwumshini). Isetshenziswa kakhulu emishinini, ezimotweni, emabhayisikili, efenisha, ehhotela nasezitolo zokudlela kanye nezinye izingxenye eziwumshini nezingxenye zesakhiwo.Izinto eziwumelayo ziyi-0Cr13, 1Cr17, 00Cr19Ni11, 1Cr01Cr18N9 , njll.
I-GB/T12771 (insimbi engagqwali eshiselwe amapayipi okuthutha uketshezi). Izinto ezimele 0Cr13, 0Cr19Ni9, 00Cr19Ni11, 00Cr17, 0Cr18Ni11Nb, 0017Cr17Ni14Mo2, njll.
Isikhathi sokuthumela: Feb-14-2023