ASTM A333 Kalanso 6nan Pipe

ASTM A333 Grade 6 bɛ nɛgɛ pibilikiw datugu minnu tɛ sɔgɔ ani minnu dilannen don ni solda ye, minnu bɛ kɛ ni funteni dɔgɔyalen ye fo ka se –50℃F (–46℃) ma.

Nɛgɛ in dilannen don walasa ka gɛlɛya mara zeru jukɔrɔ, ka dɛmɛ don degunw kunbɛnni lakananen na ani jɔli sabatili la kiriyɔzɛni siratigɛw la minnu bɛ ɲini i n’a fɔ LNG jɔyɔrɔw, gazi baarakɛyɔrɔw, ani artik pibilikiw infɔrɔmasiko.

Baara kɛcogo jɔnjɔnw:

• Kariw kunbɛnni ni funteni sɔgɔli ye
• Fanga sabatili nɛnɛ daminɛ waatiw la
• Weldability dannamɔgɔ ka ɲɛsin foro sigili ma
• A bɛ bɛn ASME tansiyɔn sitɛmuw ma minnu ka funteni ka dɔgɔn-

Kisɛkisɛ & fosiporozɛni dɔgɔyali bɛ notch toughness ɲɛ ni funteni dɔgɔyara.

Charpy V-Notch sɛgɛsɛgɛli bɛ karilenw kɛlɛli sabati LNG ni arctic baara kama.

ASTM A333 Grade 6 pipew bɛ dilan i n’a fɔ pipew minnu tɛ sɔgɔ walima i n’a fɔ pipe welded, nka o fila bɛɛ la, taabolo in sigilen don walasa ka se ka funteni dɔgɔya-gɛlɛya wajibiyalenw dafa. Sɛnɛ bɛ daminɛ ni suman nɛgɛ saniyalen ye, min ka ɲi- walasa ka a jira ko fɛn in bɛ se ka nɔ bila funteni na min bɛ zeru jukɔrɔ. Foroko ni bonya bɛ kɔlɔsi walasa pibiliki ka OD, kogo ani tilennenya tigitigi mara, o nafa ka bon ni layiniw dilannen don kaban ani ni foro-welded. Kɔnɔna yɔrɔ jogo fana bɛ kɔlɔsi walasa ka jibɔcogo ɲumanw mara petoroli, gazi walima nafamafɛnw na.

U dilanni kɔfɛ, pibilikiw bɛ don funteni-furakɛli siratigɛ la min bɛ kɔrɔsi. Nin sen in tɛ dɔrɔn ka degunw lajɔ - a kɛrɛnkɛrɛnnenya la ka na ni ductility ye ani ka microstructure (mikoro-structure) kɛ cogo kelen na walasa Charpy impact values ​​(dakun) minnu bɛ -45℃(walima funteni min kofɔlen don order kɔnɔ) olu ka se ka dafa. Ni aw bɛ suman normalize walima ka a sumaya ka ɲɛ, o bɛ suman nɔgɔya, ka notch toughness ɲɛ, ani ka pipe kɛ ka se ka a yɛrɛ tanga ka ɲɛ ni a bɛ se ka wuli ka bɔ a nɔ na yɔrɔnin kelen walima ka degun jiginni kɛ nɛnɛ waatiw la.

Porozɛ-muɲuli kɛrɛnkɛrɛnnenw ni NDE wajibiyalenw bɛ se ka don a kɔnɔ baarakɛcogo kɔrɔw kama.

ASTM A333 Grade 6 bɛ weldability sabatilen di modular assembly ni foro jɔli ma.

Nka, funteni{0}}yɔrɔ min bɛ nɔ bila yɔrɔ la (HAZ) nafaw ka kan ka mara koɲuman walasa ka funteni dɔgɔya-funteni baarakɛcogo sabati:

• Welding taabolo bɛnkanni SMAW, GTAW, ani GMAW ye butiki ni foro jɛkulu fila bɛɛ kama
• WPS/PQR min bɛ se ka baara kɛwajibiyalen don walasa ka impact toughness dafa welding kɔfɛ cryogenic baara la
• Funteni doncogo kɔlɔsili gɛlɛnwalasa ka sumanw gɛlɛyali bali ani ka notch toughness bɔnɛ HAZ kɔnɔ
• PWHT sinsinnen bɛ baarakɛcogo cogoya kanani dilancogo kode wajibiyalenw walasa ka welda jɛkuluw ka kelenya ɲɛ
• Sɛgɛsɛgɛli min bɛ kɛ ni soudure seam ye (UT/RT) .ladilikan dilen don LNG ni arctic baarakɛcogo la ni dɛsɛ kɔlɔlɔba ye

Welding kɛcogo ɲuman kɛli b’a to pibiliki sigilen bɛ ka karibaliya ni bɔgɔdaga-baarakɛcogo gɛlɛn mara nɛnɛ daminɛcogo segin-seginw kɔnɔ.

Kɔrɔbɔli wɛrɛw (PMI / UT 100% / sabanan-seere) bɛ sɔrɔ unit kɔrɔlenw kama.

• LNG regaziification ani liquefaction iziniw
• Pibilikiw minnu bɛ kɛ ni kiriyɔzɛni ni frigo ye
• Artik petoroli & gazi tali
• Dɔgɔya-funteni tansiyɔn minɛnw & moduluw
• Kɔgɔjida la ani dugukolo kan nɛnɛ-kilimafɛnw
• A dabɔra walasa ka faratiw bali ka kɛ fɛn ye min bɛ se ka tiɲɛ funteni jiginni jugumanba la.

Octal Pipe bɛ dɛmɛ don pibiliki cryogenic baarakɛcogo la ni welding kɛcogo ɲumanw ye, ni impact test sɛbɛnw ye minnu sɛgɛsɛgɛra, ani fɛnw nɔfɛtaama ka bɔ mansin na ka taa a bila a sigili la.

Laadalata-sɛgɛsɛgɛli sinsinnen bɛ, sɛgɛsɛgɛli min bɛ kɛ ka kɛɲɛ ni mɔgɔw sago ye, ani fɛnw lasecogo dafalen bɛ ASTM A333 Grade 6 min bɔra Octal Pipe la, o bɛ kɛ sugandili ye min sɛgɛsɛgɛra LNG ni baarakɛyɔrɔw la minnu funteni man ca.

Aw ye ɲɔgɔn sɔrɔ sisan

Ɲininkaliw

 

 

J1: ASTM A333 Grade 6 pipe bɛ kɛ mun na?

A1: Funteni dɔgɔya-tansiyɔn baarakɛyɔrɔ pipe yɔrɔ minnu na impact toughness ka kan ka kɛ.

J2: Kɔnɔnafili sɛgɛsɛgɛli funteni jumɛn de bɛ fɔ ka caya A333 san 6nan na?

A2: A ka c’a la, degere −45 (−50 degere F), fo ni poroze ye sɛgɛsɛgɛli funteni wɛrɛ jira.

J3: Danfara jumɛn bɛ ASTM A333 san 6nan ni ASTM A106 kalanden B cɛ?

A3: A333 Kalanso 6nan bɛ se ka kɛ funteni dɔgɔman-gɛlɛya la (impact tested), k’a sɔrɔ A106 Kalanso B bɛ se ka kɛ kɛrɛnkɛrɛnnenya la funteni caman-funteni gɛlɛya la.

J4: Yala ne ka kan ka A333 Grade 6 pipe sugandi min tɛ sɔgɔ walima ERW welded?

A4: Sugandili ka da NPS/kogo janya kan, NDE hakɛ wajibiyalen kan, ani poroze sɔnni sariyaw kan.

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