Uma uthengaIpayipi lensimbi ye-ASTM A335 engenamthungoEzitshalweni zikagesi, ezindaweni zokuhluza noma ezinhlelweni zamapayipi okushisa okuphezulu, abathengi bavame ukuhlangana nezinhlobo ezahlukene zezinto ezichazwe eMelika, eShayina, eYurophu naseRussia.
Iphrojekthi ingacacisaI-ASTM A335 P11noma i-P22, kuyilapho umhlinzeki wendawo engase abize15CrMo, 15ХМ, 10CrMo5-5 noma 10Х2МEkuqaleni, lawa mazinga angase abonakale eshintshana ngoba angowemindeni efanayo yensimbi ye-chromium-molybdenum alloy.
Nokho,ukwakheka kwamakhemikhali okufanayo akusho ngokuzenzakalelayo izidingo zobuchwepheshe ezifanayo.
Ngokuphathelene nokuthengwa kwempahla kwamanye amazwe, umbuzo obalulekile awukona nje ukuthi “Yiliphi izinga elilingana nalo?” kodwa kunalokho ukuthi izinto eziphakanyisiwe ziyayanelisa yini iphrojekthiokujwayelekile, ukwakheka kwamakhemikhali, izakhiwo zemishini, ukwelashwa kokushisa, ukuhlolwa kanye nezidingo zomklamo.
Kuyini i-ASTM A335?
I-ASTM A335/A335Miyini incazelo yeipayipi lensimbi ye-ferritic alloy engenamthungo yesevisi yokushisa okuphezulu. Uhlu lwamanje lwe-ASTM lukhomba i-A335/A335M-26 njengohlelo olusebenzayo. Imininingwane ihlanganisa amazinga amaningana e-ferritic alloy-steel, okuhlanganisaI-P11 kanye ne-P22, futhi kufaka phakathi izidingo ezihlobene nokwakheka kwamakhemikhali, izakhiwo zemishini, ubulukhuni, ukuhlolwa kwe-hydrostatic kanye nokuhlolwa okungabhubhisi.
Ukukhetha phakathi kwe-P11, i-P22 kanye nezinye izinhlobo kuncike ezimweni zangempela zesevisi kanye nezidingo zephrojekthi kunokuba kuncike egameni lezinhlobo kuphela.
Kubathengi, amamaki amabili okuxoxwa ngawo kakhulu yilawa:
●I-ASTM A335 P11 — cishe uhlelo lwe-alloy lwe-1.25Cr-0.5Mo
●I-ASTM A335 P22 — cishe uhlelo lwe-alloy lwe-2.25Cr-1Mo
Amazinga aphezulu e-chromium kanye ne-molybdenum e-P22 ayinika iphrofayili yokusebenza kwezinga lokushisa eliphezulu ehlukile kune-P11. Izidingo zamakhemikhali ze-ASTM zibala cishe u-1.00–1.50% Cr kanye no-0.44–0.65% Mo we-P11, kanye no-1.90–2.60% Cr kanye no-0.87–1.13% Mo we-P22.
I-ASTM A335 P11 vs 15CrMo / 15ХМ
I-ASTM A335 P11isetshenziswa kabanzi kumapayipi okushisa okuphezulu kanye nemishini yokushisa ehlobene nayo.
Ematafuleni okuqhathanisa izinto zomhlaba wonke, i-P11 ivame ukuhlotshaniswa ne-1.25Cr-0.5Moumndeni, okuhlanganisa10CrMo5-5kanye nesiShayina15CrMoizinkomba. Abanye abahlinzeki kanye nezimakethe basebenzisa nezinkomba zokubiza amagama ngesiRashiya njenge15ХМ, kodwa izinga laseRussia eliqondile kanye nezinga lomkhiqizo kufanele liqinisekiswe njalo uma kuqhathaniswa nencazelo yephrojekthi.
Iphuzu eliwusizo kubathengi ukuthi ukubizwa kungashintsha kusuka emakethe eyodwa kuya kwenye kuyilapho umndeni we-alloy oyisisekelo ungafana.
| Ukuqokwa kwezinto ezibonakalayo | Umndeni wezinto ezibonakalayo ojwayelekile | Umongo wokuthengwa ojwayelekile |
| I-ASTM A335 P11 | Insimbi ye-Cr-Mo alloy | Ipayipi elingenamthungo lokushisa eliphezulu |
| 15CrMo | Insimbi ye-Cr-Mo alloy | Izicelo zezimboni/zokushisa zaseShayina |
| 10CrMo5-5 | Insimbi ye-Cr-Mo alloy | Inkomba yezinto zaseYurophu |
| 15ХМ | Insimbi ye-Cr-Mo alloy | Inkomba yemakethe yaseRussia/ye-CIS |
Ithebula kufanele lisetshenziswe njenge-indawo yokuqala yokuqhathanisa, hhayi njengethebula lokufaka esikhundleni elizenzakalelayoUkukhethwa kwezinto zokugcina kumele kulandele indinganiso efanele kanye nencazelo yephrojekthi.
Isibonelo, uku-oda komthengiIpayipi elingenamthungo le-ASTM A335 P11akufanele nje ithathe indawo yayo nge-15CrMo ngoba ukwakheka kwamakhemikhali kubonakala kuseduze. Umhlinzeki kufanele aqinisekise izidingo eziphelele, okuhlanganisa uhlobo lomkhiqizo, ukwelashwa kokushisa, izakhiwo zemishini, ukuhlolwa kanye nemibhalo.
I-P22 vs 10CrMo5-5 / 10Х2М: Kungani Ukuqhathanisa Kudinga Ukunakekelwa
Ukuqhathanisa kwesibili kudinga ukunakwa okwengeziwe.
I-ASTM A335 P22kungokwabantu abacishe babe2.25Cr-1Moumndeni. Izinkomba zaseYurophu ezivame ukuhlotshaniswa nalo mndeni zifaka phakathi10CrMo9-10 / 10CrMo910, ngenkathi10Х2Мkuphinde kutholakale ezingxoxweni zezinto zaseRussia/ze-CIS.
Ngokuphambene nalokho,I-10CrMo5-5 ngokuvamile ihlotshaniswa nomndeni we-1.25Cr-0.5Mo ongaphansi kwe-alloy futhi ivame ukubhekisela ku-A335 P11., kune-P22.
Lo mehluko ubalulekile lapho umnyango wokuthenga uthola izingcaphuno ezivela emazweni ahlukene.
Umbono olula wezinto ezibonakalayo nomndeni uthi:
| Ibanga le-ASTM | Umndeni we-alloy olinganiselwayo | Izinkomba ezivamile zomhlaba wonke |
| A335 P11 | 1.25Cr-0.5Mo | 15CrMo/ Umndeni we-10CrMo5-5 |
| A335 P22 | 2.25Cr-1Mo | 10CrMo9-10 / 10CrMo910 / izinkomba ezikhethiwe ze-10Х2М |
Ngakho-ke, uma imininingwane yephrojekthi ifunaI-ASTM A335 P22, ikhotheshini ye-10CrMo5-5 kufanelehhayizamukelwe njengesilinganiso esiqondile ngaphandle kokubuyekezwa kobuchwepheshe.
Yilapho kanye lapho ulwazi lokuthola ulwazi lwamazwe ngamazwe luba khona olubalulekile:inombolo yezinto ezibonakalayo, indinganiso yomkhiqizo kanye nokusetshenziswa kwephrojekthi kumele kucatshangelwe ndawonye.
Kungani Abathengi Beqhathanisa La Mabanga?
Isizathu sicacile: amaphrojekthi aphesheya avame ukuhilela amazinga amaningana ngesikhathi esisodwa.
Isitshalo sikagesi singasebenzisa:
●I-ASTM A335 P11/P22 yamapayipi okushisa okuphezulu
●I-ASTM A213 T11/T22 yamapayipi ebhoyila kanye ne-heat-exchange
●Ipuleti lensimbi le-ASTM A387 Cr-Mo lemikhumbi yokucindezela
●Amashubhu ensimbi e-alloy e-EN 10216-2
●Amazinga e-GB/T emishini etholakala endaweni
●Izinto ezibizwa nge-GOST noma isiRashiya zamaphrojekthi e-CIS
Kumuntu osebenza nge-EPC, ukufaka okunye esikhundleni senye kungathinta:
Umklamo → Ukushisela → Ukwelashwa Kokushisa → Ukuhlolwa → Imibhalo → Ukuvunyelwa
Ngakho-ke, ukuqhathaniswa kwamabanga kufanele kwenziwe ngaphambi kokuthenga, hhayi ngemva kokuba izinto sezi-odiwe kakade.
P11 noma P22: Yiliphi izinga okufanele abathengi balicacise?
Impendulo incike ezimweni zokusebenza zangempela.
P11ngokuvamile kucatshangelwa lapho iphrojekthi idinga insimbi ye-Cr-Mo ene-alloy ephansi efanelekela isevisi yokushisa okuphezulu.
P22inikeza izinga eliphezulu le-Cr-Mo alloy futhi isetshenziswa ezinhlelweni zokusebenza lapho imininingwane yephrojekthi idinga khona izinto ezihambisanayo kanye nokusebenza kwezinga lokushisa eliphakeme.
Izindawo ezijwayelekile zokufaka isicelo zifaka:
| Isicelo | Izibonelo zezinto ezibonakalayo |
| Izinhlelo zebhoyila kanye nezinhlelo zomusi ezisizayo | I-P11 / amazinga ahlobene e-Cr-Mo |
| Amapayipi omusi ashisa kakhulu | P11 / P22 kuye ngomklamo |
| Izihloko zesitshalo sikagesi | P11 / P22 / amanye amamaki acacisiwe |
| Amapayipi enqubo yokuhlanza | P11 / P22 kuye ngesevisi |
| Amapayipi okushisa okuphezulu e-Petrochemical | I-P22 kanye namanye amamaki e-Cr-Mo |
| Imishini yokucindezela | Izinto ze-Cr-Mo eziqondene nephrojekthi ethile |
Ibanga elifanele kufanele likhethwe ku-izinga lokushisa lomklamo, ingcindezi, ukucindezeleka okuvunyelwe, indawo yesevisi kanye nekhodi yokuklama efanele, kunokuba kuqhathaniswe amanani ezinto ezibonakalayo kuphela.
I-ASTM A335 P11 kanye ne-P22 azifani ne-ASTM A213 T11 kanye ne-T22
Enye inkinga evamile yokuthengwa kwempahla iyadidaamazinga epayipingeamazinga eshubhu.
Ngokwesibonelo:
●I-ASTM A335 P11 → ipayipi lensimbi engenamthungo ye-alloy yesevisi yokushisa okuphezulu
●I-ASTM A213 T11 → ibhoyila engenamthungo, i-superheater kanye neshubhu yokushintshanisa ukushisa
●I-ASTM A335 P22 → ipayipi lensimbi engenamthungo
●I-ASTM A213 T22 → umkhiqizo weshubhu wezinhlelo zokusebenza ezimbozwe yi-A213
Izimpawu ze-P11/T11 kanye ne-P22/T22 zihlobene emndenini we-Cr-Mo alloy, kodwa amazinga omkhiqizo ahlukile.
Lo mehluko ubalulekile lapho ulungiselela i-oda lokuthenga, ngobaizinga + izinga lomkhiqizo + ubukhulu + izidingo zokuhlolakonke kufanele kuhambisane nencazelo yephrojekthi.
Yini Okufanele Abathengi Bayihlole Ngaphambi Koku-oda?
Uma uthengaIpayipi le-ASTM A335 P11 or Ipayipi le-ASTM A335 P22, umbuzo omfushane onjengokuthi “ipayipi le-P11, ngicela ucaphune” ungase unganeli.
Ukuze uthole ikhotheshini enembile, abathengi kufanele bahlinzeke:
1. Izinga lomkhiqizo — I-ASTM A335/A335M
2. Ibanga — P11, P22, njll.
3. Usayizi wepayipi — NPS noma OD × ubukhulu bodonga
4. Ubukhulu bodonga / ishejuli
5. Ubude
6. Ubuningi
7. Izidingo zokwelapha ukushisa
8. Izidingo ze-Hydrostatic kanye ne-NDE
9. Izidingo zokuhlola
10.Izidingo zesitifiketi sezinto ezibonakalayo
11.Ukuhlolwa komuntu wesithathu, uma kudingeka
12.Indawo oya kuyo kanye neshejuli yokulethwa
I-ASTM A335 ngokwayo ifaka phakathi izidingo zokuhlolwa kwemishini, ubulukhuni kanye nokuhlolwa/ukuhlolwa, kanye nezidingo ezengeziwe ezitholakalayo uma zichazwe ku-oda.
Ngenxa yalesi sizathu, imininingwane yobuchwepheshe kufanele iqinisekiswengaphambi kokukhiqizwa noma ukwabiwa kwesitoko.
I-SANONPIPE Ingasiza Kanjani Ngokuthola Izimpahla Ezisezingeni Eliphezulu?
Kumakhasimende aphesheya, ubunzima buvame ukungatholi ipayipi lensimbi elinokwakheka kwamakhemikhali okufanayo. Inselele yangempela ukuqinisekisa ukuthi izinto zokwakha ziyamukeleka ngaphansi kwe-indinganiso edingekayo kanye nencazelo yephrojekthi.
I-SANONPIPE ingasekela amakhasimende ngalezi zinto ezilandelayo:
●Ipayipi lensimbi elingenamthungo le-ASTM A335 P11
●Ipayipi lensimbi elingenamthungo le-ASTM A335 P22
●Amanye amazinga e-ASTM A335 Cr-Mo
●Amabanga ensimbi ye-Cr-Mo alloy yaseYurophu
●Ukuqhathaniswa kwezinto zaseShayina nezaseRussia emakethe
●Isibuyekezo semininingwane yobuchwepheshe
●Ukuqinisekiswa kwezinto ezibonakalayo kanye nobukhulu
●I-MTC kanye nokulandeleka
●Ukuhlanganiswa kwe-Hydrostatic kanye ne-NDE
●Ukuhlolwa komuntu wesithathu
●Ukuhlolwa kokutholakala kwesitoko
●Ukukhiqizwa okusha
●Ukupakisha kwamanye amazwe kanye nokulethwa kwamanye amazwe
Uma ikhasimende linikeza i-BOM, uhlu lwezinto ezibonakalayo noma imininingwane yephrojekthi, i-SANONPIPE ingasiza ekuboneni ukuthi izinga eliceliwe liyatholakala yini esitokweni noma kufanele lihlelwe ngokukhiqiza okusha.
Ngaphambi Kokushintsha Ibanga Elilodwa Ngelinye, Buza Le mibuzo
Uma ikhasimende liphakamisa15CrMo esikhundleni se-A335 P11, noma ibanga le-Cr-Mo laseRussia/laseYurophu esikhundleni se-A335 P22, imibuzo elandelayo kufanele iphendulwe kuqala:
Ingabe indinganiso yomkhiqizo iyamukeleka?
Ingabe ukwakheka kwamakhemikhali kuyahlangabezana nencazelo edingekayo?
Ingabe izakhiwo zemishini ziyahlangabezana nezidingo zephrojekthi?
Ingabe isimo sokwelashwa kokushisa siyamukeleka?
Ingabe izimfuneko zokuhlola kanye ne-NDE ziyalingana?
Ingabe izinto zizokwamukelwa yinkontileka ye-EPC noma umsebenzisi wokugcina?
Ingabe umhlinzeki angakunikeza i-MTC edingekayo kanye nokulandeleka?
Kuphela ngemva kokuqinisekiswa kwala maphuzu lapho kufanele kucatshangelwe khona into esezingeni elifanele ukuze ithathelwe indawo.
Isiphetho
I-ASTM A335 P11, 15CrMo, 10CrMo5-5, P22 kanye ne-10Х2Мzingabonakala ndawonye ekuthengweni kwamazwe ngamazwe ngoba zingabomndeni wensimbi ye-Cr-Mo alloy ehlobene. Kodwa-ke, abathengi kufanele bahlukanise phakathiukufana kwezinto ezibonakalayo nomndeni kanye nokulingana kwezinga lokucaciswa.
NgobaI-ASTM A335 P11, I-15CrMo kanye ne-10CrMo5-5 zivame ukutholwa njengezinkomba zezinto ezihlobene.I-ASTM A335 P22, abathengi kufanele babheke umndeni wezinto ezibonakalayo ongu-2.25Cr-1Mo, okuhlanganisa izinkomba ze-10CrMo9-10/10CrMo910 kanye nezinkomba ezifanele zesiRashiya/ze-CIS, kunokuphatha i-10CrMo5-5 njengelingana ne-P22 eqondile.
Kunoma yikuphi ukuthenga okujwayelekile, indlela ephephile ukuqhathanisaejwayelekile, ibanga, uhlobo lomkhiqizo, ubukhulu, ukwelashwa kokushisa, ukuhlolwa kanye nemibhalo ndawonye.
Uma ufuna i-databaseIpayipi lensimbi ye-ASTM A335 P11 noma i-P22 engenamthungo, thumela i-SANONPIPE uhlu lwakho lwezinto, ubukhulu, ubuningi kanye nencazelo yephrojekthi. Singabuyekeza isidingo futhi sinikeze isisombululo esisebenzayo sokuhlinzeka kanye nesilinganiso.
Isikhathi sokuthunyelwe: Septhemba-20-2026
