I-Womic Steel izisungule njengomhlinzeki othembekile wezinto zokwakha nezisombululo zekhwalithi ephezulu phakathi neminyaka engama-20. Ngokuzibophezela ekusebenzeni kahle, inkampani ibhekelela izimboni eziningi, enikeza izixazululo ezihambisanayo ukuze ihlangabezane nezidingo ezithile. I-inventory yabo, ehlanganisa izinto ze-ASTM A335 P91 Type 2 ye-premium, itholakala kubakhiqizi bamazwe ngamazwe abagunyaziwe futhi ivuselelwa ngokuqhubekayo ukuze ihlangabezane namazinga aphezulu kakhulu. I-Womic Steel igxile kakhulu ekuhlinzekeni ngezinto ze-P91 zokusetshenziswa kwamandla aphezulu, okuhlanganisa amapayipi, okokufaka, amavalvu, ama-flange, nokunye, iqinisekisa ukuthi amakhasimende athola imikhiqizo esebenza kahle kakhulu.
Izilinganiso zinganikezwa kwa-Womic Steel Group:
I-A335 Chrome Moly Pipes
I-A335 Alloy Steel Pipes
Amapayipi Ensimbi A335 P5
Amapayipi Ensimbi A335 P9
Amapayipi Ensimbi A335 P11
Amapayipi Ensimbi A335 P12
Amapayipi Ensimbi A335 P22
Amapayipi Ensimbi A335 P91
Izici ezibalulekile ze-ASTM A335 P91 Type 2 tubes
I-ASTM A335 P91 Type 2 iyinsimbi ye-chrome-moly alloy eyaziwa ngamandla ayo angavamile, ukumelana nezinga lokushisa, namandla ayo okukhasa. Ihlukaniswa njengensimbi ye-creep power-enhanced ferritic (CSEF), okuyenza ifaneleke ekusetshenzisweni kwezinga lokushisa eliphezulu nokucindezela okuphezulu. Izinto zithola inqubo ethile yokwelapha ukushisa:
Ijwayelekile ku-1050 °C.
Ukupholisa umoya ukuya ku-200 °C.
Ukushisa ku-760 ° C.
Le nqubo ithuthukisa amandla ayo okukhasa kanye nokuqina, ikwenze kube ukukhetha okuphezulu ezindaweni ezifunayo.
Ukwakheka kanye Nezinzuzo ze-ASTM A335 P91 Steel Tubes
I-Chromium (9%): Ithuthukisa amandla ezinga lokushisa eliphezulu, ukumelana ne-oxidation, kanye nezakhiwo zokukhanda.
I-Molybdenum (1%): Ithuthukisa ukunwebeka, ukumelana nokugqokwa, namandla okukhasa okusezingeni eliphezulu.
I-Vanadium ne-Columbium/Niobium: Ithuthukisa futhi amandla okukhasa kanye nokumelana nokukhathala okushisayo.
Izinzuzo ze-ASTM A335 P91 Steel Tubes
Ubukhulu bodonga obuncishisiwe: Ivumela izinto ezilula, isikhathi esincishisiwe sokushisela, kanye nensimbi yokugcwalisa kancane.
Impilo yokukhathala okushisayo: Ifika izikhathi eziyishumi kangcono kunangaphambili njenge-T22 noma i-P22.
Ukwenyuka kwamazinga okushisa okusebenza: Kuthuthukisa ukusebenza kahle ezinhlelweni zokushisa eziphezulu.
Izicelo ze-ASTM A335 P91 Steel Tubes
I-P91 isetshenziswa kabanzi ezimbonini ezidinga izinto ezikwazi ukumelana namazinga okushisa aphakeme nezingcindezi. Izicelo ezijwayelekile zifaka:
Ukukhiqiza amandla: Amabhoyili, imigqa yokushisisa kabusha, nezitshalo zomjikelezo ezihlanganisiwe.
Izitshalo ze-Petrochemical: Izifudumezi, imishini yokucubungula igesi, nezinsizakalo zenkundla yamafutha.
Amasistimu amapayipi okushisa aphezulu: Alungele ukugoba, ukuphephuka, kanye nokusebenza kokushisela.
Ukubunjwa Kwamakhemikhali kwe-ASTM A335 P91 Steel Tubes
Ukwakheka kwamakhemikhali e-P91 kuqinisekisa ukusebenza kwawo okuphezulu:
Ikhabhoni: 0.08% - 0.12%
I-Manganese: 0.30% - 0.60%
I-Chromium: 8.00% - 9.50%
I-Molybdenum: 0.85% - 1.05%
I-Vanadium: 0.18% - 0.25%
I-nitrogen: 0.030% - 0.070%
Ezinye izakhi: I-nickel, i-aluminium, i-columbium, i-titanium, ne-zirconium ngamanani alawulwayo.
Izakhiwo Zemishini
Amandla Okuqina: Ubuncane obungu-85,000 PSI (585 MPa).
Amandla Esivuno: Ubuncane obungu-60,000 PSI (415 MPa).
I-Welding kanye Nokwelashwa Kokushisa I-ASTM A335 P91 Steel Tubes
I-Welding P91 idinga ukunamathela ngokuqinile ezinkambisweni zokugcina izakhiwo zayo:
Preheating: Kubalulekile ukuvimbela ukuqhekeka okwenziwe yi-hydrogen.
Ukulawula izinga lokushisa kwe-Inter-pass: Igcinwa kusetshenziswa amasistimu wokushisisa wesimanjemanje.
Ukwelashwa kokushisa kwe-post-weld (PWHT): Kubalulekile ukufeza i-microstructure oyifunayo futhi ugweme ukwehluleka.
Ama-electrode okushisela: Kufanele afane nokwakheka kwezinto zomzali.
Kungani Khetha amashubhu ensimbi e-Womic Steel ASTM A335 P91?
Uhlu olubanzi: Izinto ezisezingeni eliphezulu ze-P91 zazo zonke izidingo zakho.
Ubungcweti: Ithimba elinolwazi lokukuqondisa ekukhetheni okubalulekile nasekusebenziseni.
Ukuzibophezela kwikhwalithi: Izinto ezihamba phambili kuphela ezivela kubakhiqizi abagunyaziwe.
Kuzo zonke izidingo zakho ze-ASTM A335 P91 Type 2, xhumana ne-Womic Steel namuhla. Ithimba labo lilungele ukuhlinzeka ngezixazululo ezedlula okulindele futhi likulethe izinto ezisezingeni eliphezulu kakhulu zamaphrojekthi akho.