I-ASTM A335 P91 Uhlobo 2 amashubhu / P5 / P9 / P11 / P12 / P22

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Imininingwane Yomkhiqizo

Omaka bomkhiqizo

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

Amashubhu e-ASTM A335 P91 Uhlobo 2

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.

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