Nchicha akpụkpọ ụkwụ emeela onwe ya dịka onye na-eweta ntụkwasị obi nke ihe dị elu na ihe karịrị afọ 20. Site na nkwa mara mma, ụlọ ọrụ ahụ na-enwe ọtụtụ ọrụ ụlọ ọrụ, na-enye azịza ha edozi iji zute mkpa ụfọdụ. Ngwakọta ha, nke gụnyere adịchaghị A335 P91 p91 p91 p91 p91 p91, a na-ejikwa ihe 2, a na-ejikwa ya na ndị na-emepụta mba ofesi kwadoro ma na-aga n'ihu iji mezuo ụkpụrụ kachasị elu. Igwe eji arụ ọrụ na-eweta ngwaahịa P91 maka ngwa ike dị elu, gụnyere ọkpọkọ, ihe dị mma, na-ahụ maka ndị ahịa na-enweta ngwaahịa kachasị mma.

E nwere ike inye onyinye site na igwe Struy:

A335 Chrome Oly pipes

A335 Ígwè nchara

A335 p5 p5 alloy nchara

A335 p9 alloy nchara

A335 p11 poolu pipes

A335 p12 p12 poolu pipes

A335 p22 p22

A335 p91 alloy pel

Ihe njiri mara nke ASTM A335 p91 p91 pypes 2 tubes
ASTM A335 P91 p91 p91 bụ nke steel-molly steel nke pụrụ iche maka ike ya, iguzogide ọnọdụ ọnọdụ, na ike ọnọdụ. A na-eke ya dị ka ike fepritic (CSEF), na-eme ka ọ dị mma maka ngwa okpomọkụ na mgbali elu ngwa. Ihe ndị a na-eme ihe a na-ahụ maka usoro ọgwụgwọ a kapịrị ọnụ:

Nchịkọta na 1050 Celsius C.

Ikuku jụrụ na 200 Celsius.

Iwe na 760 Celsius C.

Usoro a na - eme ka ike ya na ịdị anya ya na - eme ka ọ dị ike, na - eme ka ọ bụrụ nhọrọ kachasị mma maka ịchọ gburugburu.

Ihe mejupụtara na uru nke ASTM A335 p91 ígwè nchara
Chromium (9%): Kwado ike okpomọkụ dị elu, oxidation na-eguzogide, na akụrụngwa arụ ọrụ.

Molybdemum (1%): na-eme ka mgbasawanye, na-eyi nguzogide, na elu-okpomoku.

Vanadium na Colubium / Niubium: Iziwanye ike nke na-agwụ ike na-agwụ ike ọgwụgwụ.

Uru nke ASTM A335 p91 ígwè nchara
Achịcha mgbidi belata: na-enye ohere maka ngwa ọkụ, belata oge ịgbado agbatị, na obere igwe.

Ndụ ike ọkụ na-adị elu: ruo iri ka dị mma karịa ka T22 ma ọ bụ P22.

Mmụba na-arụ ọrụ na-arụ ọrụ: arụmọrụ na ngwa okpomọkụ.

Ngwa nke ASTM A335 p91 ígwè nchara
A na-ejikarị P91 rụọ ọrụ na ụlọ ọrụ chọrọ ihe nwere ike ịnwe oke okpomọkụ na nrụgide. Ngwa ndị ọzọ gụnyere:

Ike: gbọsịa ọgbọ, ahịrị ọma, yana ijikọta osisi okirikiri.

Osisi Petrochemical: Oku ọkụ, akụrụngwa nhazi, na ọrụ mmanụ.

Sistemụ pipingdị elu-okpomọkụ: Kwesịrị ekwesị maka ịgbachi nkịtị, na-apụ apụ, ma na-akwado ọrụ.

Kemịkal nke ASTM A335 p91 ígwè nchara
Ihe mejupụtara kemịkal nke p91 na-eme ka arụmọrụ dị elu dị elu:

Carbon: 0.08% - 0.12%

Manganese: 0.30% - 0.60%

Chromium: 8.00% - 9.50%

Molybdem: 0.85% - 1.05%

Vanadium: 0.18% - 0.25%

Nitrogen: 0.030% - 0.070%

Ihe ndị ọzọ: Nickel, aluminom, colubium, titanium, na zirconium na-achịkwa ego.

Ngwongwo nke mebere
Ike TESSE: Obere 85,000 PSI (585 MPA).

Rụọ ike: opekata mpe 60,000 PSI (415 MPA).

Gbado na ikpo ọkụ ASTM A335 p91 ígwè
Na-agbado P91 na-achọ ido onwe ha n'ọrụ iji dozie ihe ya:

Preheate: Ihe dị mkpa iji gbochie cracking hydrogen.

Njikwa Pemin-Passsion: jigidere na-eji sistemụ iwe iwe ọhụụ.

Ngwọta ọkụ na-eme polf (PWHT): dị mkpa iji nweta microscrere na-achọrọ ma zere ọdịda.

Na-agba ọkụ electrodes: ga-adakọbara ihe ndị nne na nna.

Kedu ihe kpatara ị ga-eji mee ka akpukpom a335 p91 p91 ígwè p91 ígwè?
Ihe eji emeputa ihe: ihe p91 di nma maka mkpa gi nile.

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

Ndokwa na ogo: Naanị ihe kachasị mma sitere na ndị na-emepụta ihe.

Maka niile ASTM A335 P91 Por iche 2 chọrọ 2, ịkpọlite ​​Nwanyị ígwè taa. Ndị otu ha adịla njikere inye azịza nke karịrị atụmanya gị ma nyefee ihe kachasị mma maka ọrụ gị.