Womic Steel e itlhomme e le mofani ea tšepahalang oa thepa ea boleng bo holimo le tharollo ka lilemo tse 20. Ka boitlamo ba bokhabane, k'hamphani e sebetsana le liindasteri tse fapaneng, e fanang ka litharollo tse lokiselitsoeng ho fihlela litlhoko tse ikhethileng. Setoko sa bona, se kenyelletsang lisebelisoa tsa premium ASTM A335 P91 Type 2, se nkuoa ho tsoa ho bahlahisi ba amohetsoeng ba machabeng mme se ntlafatsoa khafetsa ho fihlela maemo a holimo. Womic Steel e sebetsa ka thata ho fana ka thepa ea P91 bakeng sa lisebelisoa tse nang le matla a phahameng, ho kenyeletsa liphaephe, li-fittings, li-valve, li-flange le tse ling, ho netefatsa hore bareki ba fumana lihlahisoa tse sebetsang hantle ka ho fetisisa.

Litekanyetso li ka fanoa ho tsoa ho Womic Steel Group:

A335 Chrome Moly Pipes

A335 Alloy Lipeipi tsa Tšepe

A335 P5 Alloy Lipeipi tsa Tšepe

A335 P9 Alloy Lipeipi tsa Tšepe

A335 P11 Alloy Lipeipi tsa Tšepe

A335 P12 Alloy Lipeipi tsa Tšepe

A335 P22 Alloy Lipeipi tsa tšepe

A335 P91 Alloy Lipeipi tsa Tšepe

Lintlha tsa bohlokoa tsa ASTM A335 P91 Type 2 tubes
ASTM A335 P91 Mofuta oa 2 ke tšepe ea chrome-moly alloy e tsejoang ka matla a eona a ikhethang, ho hanyetsa mocheso le matla a ho thella. E khethiloe e le tšepe ea ferritic e matlafalitsoeng ka matla a creep (CSEF), e etsang hore e be e loketseng bakeng sa lisebelisoa tsa mocheso o phahameng le khatello e phahameng. Thepa e etsoa ka mokhoa o ikhethileng oa kalafo ea mocheso:

E tloaelehileng ho 1050 °C.

Pholiso ea moea ho 200 °C.

E futhumatsa ka 760 ° C.

Ts'ebetso ena e eketsa matla le ho tšoarella ha eona, e leng se etsang hore e be khetho e ntle bakeng sa libaka tse thata.

Sebopeho le Melemo ea ASTM A335 P91 Steel Tubes
Chromium (9%): E matlafatsa matla a mocheso o phahameng, ho hanyetsa oxidation, le lisebelisoa tsa mochini.

Molybdenum (1%): E ntlafatsa elasticity, ho se mamelle, le matla a phahameng a mocheso.

Vanadium le Columbium/Niobium: E eketsa matla a ho lla le ho hanyetsa mokhathala o futhumatsang.

Melemo ea ASTM A335 P91 Steel Tubes
Botenya ba lebota bo fokotsehileng: E ​​lumella likarolo tse bobebe, nako e fokotsehileng ea ho tjheseletsa, le tšepe e nyane ea ho tlatsa.

Bophelo bo phahameng ba mokhathala oa mocheso: Ho fihla makhetlo a 10 ho feta ba pele ba kang T22 kapa P22.

Keketseho ea lithempereichara tsa ts'ebetso: E ntlafatsa ts'ebetso ea ts'ebetso lits'ebetsong tsa mocheso o phahameng.

Lisebelisoa tsa ASTM A335 P91 Steel Tubes
P91 e sebelisoa haholo liindastering tse hlokang lisebelisoa tse khonang ho mamella mocheso le likhatello tse feteletseng. Lisebelisoa tse tloaelehileng li kenyelletsa:

Ho hlahisa matla: Liboiler, lithapo tsa ho futhumatsa hape, le limela tse kopaneng tsa potoloho.

Limela tsa Petrochemical: Lifuthumatsi, lisebelisoa tsa ho lokisa khase, le lits'ebeletso tsa sebaka sa oli.

Sistimi ea lipeipi tsa mocheso o phahameng: E ​​loketse ts'ebetso ea ho kobeha, ho phunya le ho cheselletsa.

Motsoako oa lik'hemik'hale oa ASTM A335 P91 Steel Tubes
Sebopeho sa lik'hemik'hale sa P91 se tiisa ts'ebetso ea eona e phahameng:

Khabone: 0.08% - 0.12%

Manganese: 0.30% - 0.60%

Chromium: 8.00% - 9.50%

Molybdenum: 0.85% - 1.05%

Vanadium: 0.18% - 0.25%

Naetrojene: 0.030% - 0.070%

Lintho tse ling: Nickel, aluminium, columbium, titanium, le zirconium ka tekanyo e laoloang.

Thepa ea Mechini
Matla a Tensile: Bonyane 85,000 PSI (585 MPa).

Matla a Hlahiso: Bonyane 60,000 PSI (415 MPa).

Phekolo ea Welding le Heat ASTM A335 P91 Steel Tubes
Welding P91 e hloka ho latela ka tieo mekhoa ea ho boloka thepa ea eona:

Preheating: Ho bohlokoa ho thibela ho phatloha ho bakoang ke haedrojene.

Taolo ea mocheso oa li-inter-pass: E bolokiloe ho sebelisoa lisebelisoa tsa sejoale-joale tse futhumatsang.

Kalafo ea mocheso ka mor'a weld (PWHT): Ho bohlokoa ho finyella microstructure e lakatsehang le ho qoba ho hlōleha.

Li-electrode tsa welding: Li tlameha ho ts'oana le sebopeho sa lisebelisoa tsa motsoali.

Hobaneng u Khetha li-tubes tsa tšepe tsa Womic ASTM A335 P91?
Thepa e pharalletseng: Lisebelisoa tsa boleng bo holimo tsa P91 bakeng sa litlhoko tsohle tsa hau.

Bohlale: Sehlopha se nang le boiphihlelo se u tataisang mabapi le khetho ea thepa le ts'ebeliso.

Boitlamo ba boleng: Ke lisebelisoa tse ntle feela tse tsoang ho bahlahisi ba amohetsoeng.

Bakeng sa litlhoko tsohle tsa hau tsa ASTM A335 P91 Type 2, ikopanye le Womic Steel kajeno. Sehlopha sa bona se ikemiselitse ho fana ka litharollo tse fetang tebello ea hau le ho fana ka lisebelisoa tsa boleng bo holimo bakeng sa merero ea hau.