Womic Steel eguzobewo onwe ya dị ka onye na-enye ntụkwasị obi nke ihe dị elu na ngwọta ihe karịrị afọ 20. Site na ntinye aka maka ịdị mma, ụlọ ọrụ ahụ na-arụ ọrụ dị iche iche, na-enye ihe ngwọta ahaziri iche iji gboo mkpa ụfọdụ. Ngwa ahịa ha, nke gụnyere ASTM A335 P91 ụdịdị 2 adịchaghị adị, sitere na ndị nrụpụta mba ụwa akwadoro ma na-emelite ya mgbe niile iji zute ụkpụrụ kachasị elu. Womic Steel na-ahụ maka ịnye ihe P91 maka ngwa ike dị elu, gụnyere ọkpọkọ, akwa akwa, valves, flanges, na ndị ọzọ, na-eme ka ndị ahịa nweta ngwaahịa kachasị mma.

Enwere ike ịnye ọkwa sitere na Womic Steel Group:

A335 Chrome Moly Pipes

A335 Alloy Steel Pipes

A335 P5 Alloy Steel Pipes

A335 P9 Alloy Steel Pipes

A335 P11 Alloy Steel Pipes

A335 P12 Alloy Steel Pipes

A335 P22 Alloy Steel Pipes

A335 P91 Alloy Steel Pipes

Akụkụ isi nke ASTM A335 P91 Ụdị 2 tubes
ASTM A335 P91 Ụdị 2 bụ chrome-moly alloy steel mara maka ike pụrụiche ya, nguzogide okpomọkụ, na ike na-akpụ akpụ. A na-ekewa ya dị ka ígwè ferritic na-emewanye ike (CSEF), na-eme ka ọ dị mma maka oke okpomọkụ na ngwa nrụgide dị elu. Ngwa ahụ na-enweta usoro ọgwụgwọ okpomọkụ:

Normalize na 1050 Celsius C.

Ikuku jụrụ oyi ruo 200 Celsius.

Na-ekpo ọkụ na 760 Celsius C.

Usoro a na-eme ka ike ya na ịdịte aka ya dịkwuo elu, na-eme ka ọ bụrụ nhọrọ kachasị mma maka gburugburu ebe obibi na-achọsi ike.

Ngwakọta na uru nke ASTM A335 P91 Steel Tubes
Chromium (9%): Na-eme ka ike okpomọkụ dị elu, nguzogide oxidation, na ihe eji arụ ọrụ.

Molybdenum (1%): Na-eme ka nkwụ na-adịwanye mma, na-eyi nkwụsi ike, na ike na-akpụ akpụ na-ekpo ọkụ.

Vanadium na Columbium/Niobium: Na-abawanye ike na-akpụ akpụ na nguzogide ike ọgwụgwụ.

Uru nke ASTM A335 P91 Steel Tubes
Mbelata mgbidi ọkpụrụkpụ: Na-enye ohere maka ihe ndị dị nfe, oge ịgbado ọkụ na-ebelata, yana metal dị ntakịrị.

Ndụ ike ọgwụgwụ dị elu: Ruo ugboro 10 ka mma karịa ndị bu ụzọ dị ka T22 ma ọ bụ P22.

Okpomọkụ arụ ọrụ na-abawanye: Na-eme ka arụmọrụ dị elu na ngwa okpomọkụ dị elu.

Ngwa nke ASTM A335 P91 Steel Tubes
A na-eji P91 eme ihe n'ọtụtụ ebe na ụlọ ọrụ ndị chọrọ ihe ndị nwere ike iguzogide oke okpomọkụ na nrụgide. Ngwa nkịtị gụnyere:

Ọkpụkpọ ike: Igwe ọkụ, ahịrị na-ekpo ọkụ, na osisi okirikiri jikọtara ọnụ.

Osisi Petrochemical: Ndị na-ekpo ọkụ, akụrụngwa nhazi gas na ọrụ mmanụ.

Sistemụ ọkpọkọ na-ekpo ọkụ dị elu: Kwesịrị ekwesị maka ịgbado, flanging na ọrụ ịgbado ọkụ.

Ngwakọta kemịkalụ nke ASTM A335 P91 Steel Tubes
Ngwakọta kemịkalụ nke P91 na-eme ka arụmọrụ ya dị elu:

Carbon: 0.08% - 0.12%

Manganese: 0.30% - 0.60%

Chromium: 8.00% - 9.50%

Molybdenum: 0.85% - 1.05%

Vanadium: 0.18% - 0.25%

Nitrogen: 0.030% - 0.070%

Ihe ndị ọzọ: nickel, aluminum, columbium, titanium, na zirconium na-achịkwa ego.

Ihe eji arụ ọrụ
Ike nkwụsị: Opekempe 85,000 PSI (585 MPa).

Ike Mpụta: Opekempe 60,000 PSI (415 MPa).

Welding na Okpomọkụ Ọgwụ ASTM A335 P91 Steel tubes
Welding P91 chọrọ nrube isi na usoro iji jikwaa akụrụngwa ya:

Ịkpọ ọkụ: Ọ dị mkpa iji gbochie mgbawa nke hydrogen kpatara.

Njikwa okpomọkụ n'etiti ngafe: A na-eji usoro kpo oku induction ọgbara ọhụrụ na-edobe.

Ngwọta okpomọkụ nke post-weld (PWHT): Dị oke mkpa iji nweta microstructure achọrọ ma zere ọdịda.

Elektrọd ịgbado ọkụ: Ga-adabarịrị na ihe nne na nna mejupụtara.

Kedu ihe kpatara ịhọrọ Womic Steel ASTM A335 P91 Steel Tubes?
Ngwaahịa sara mbara: akụrụngwa P91 dị elu maka mkpa gị niile.

Ọkachamara: Ndị otu nwere ahụmahụ ga-eduzi gị site na nhọrọ ihe na ngwa.

Nkwenye maka ịdị mma: Naanị ihe kachasị mma sitere na ndị nrụpụta akwadoro.

Maka ihe niile ASTM A335 P91 chọrọ ụdị 2, kpọtụrụ Womic Steel taa. Ndị otu ha dị njikere ịnye ngwọta nke gafere atụmanya gị ma nyefee ihe kachasị mma maka ọrụ gị.