ASTM A335 P9 Alliage Nɛgɛ Pipe

ASTM A335 Gr. Bamako, Mali. P9 ye nɛgɛ pipe ye min dilannen don ni feriti ye min tɛ fɛn tiɲɛbaara kɛli banbali la funteni ni degun kɔrɔtalen na. Ni ko yeKɔrɔmu 9% ani molibdɛni 1%, a sigilen bɛ 9Cr-1Mo denbaya kɔnɔ min bɛ kɛ kosɛbɛ kuran bɔli la, petoroli sofaw la, reformerw la, ani processus hot processus la.

FɛOctal Pipe (Octal Pipe) ye, P9 pibilikiw bɛ dilan innormalisé ani tempered cogoya, min sɛgɛsɛgɛra ka dafa, ani min bɛ se ka tugu funteni/batch la, min bɛnnen don bɔgɔdaga, kungolo, superheaters, watara siraw ani funteni caman{0}}taamacogo pipew ma yɔrɔ minnu na nɛgɛ gansan ni karɔbɔli dɔgɔmanninw ni -Cr dɔgɔmanninw tɛ se ka oksidan walima sɔgɔsɔgɔninjɛ kunbɛnni mara.

A tɛ i n’a fɔ nɛgɛ gansan, P9 dabɔra walasa ka fanga ni sanfɛla dafalen mara o kɔfɛlɛrɛ ba caman kɔnɔni nɛgɛ funteni ka bon.

• Kɔrɔmu (~9%) .bɛ kɛ compact ye, min bɛ nɔrɔCr2O3 filimusanfɛ, ka sɔgɔsɔgɔninjɛ ni oksidan sumaya waji funteni walima gazi ɲagaminen-fiɲɛw la.
• Molibdɛni (~1%) .bɛ barika don feriti matirili la ani ka creep deformation bila kɔfɛ ka dislocation movement bali.
• Kɔfɛnormalisation + temperation (dafalen) kɛli, nɛgɛso b' a jira aferite–carbide jɔcogo min bɛ kɛ ni tempered yeni suman dancɛ sabatilenw ye ani karidi kɔrɔsilenw (kɛrɛnkɛrɛnnenya la M23C3 / M2C) dancɛw kan - o de bɛ creep-rupture fanga mara ani ka suman dancɛw tiɲɛni bali a kɛli waati jan kɔnɔ.

O la, funteni caman-funteni baara la (superheater coils, reformer transfer lines), P9 bɛ to dimensionally stable ka mɛn ka tɛmɛ P5/P11 suguya alloys kan.

Chimique Composition (a hakɛ dantɛmɛnen) .

Masina ka baarakɛcogo (ASTM A335 P9) .

• Tensile fanga: 1 .A ka bon walima a bɛ bɛn 415 MPa ma
• Sɛnɛfɛnw sɔrɔli fanga:A ka bon walima a bɛ bɛn 205 MPa ma
• Janya janya:A ka bon walima a bɛ bɛn 30% ma .
• Gɛlɛya: 1 .A ka dɔgɔn walima a bɛ bɛn 163 HBW ma

O nafaw ye normalisé-ani-tempered delivery condition ye ani u laɲini ye ka margin caman di alloy ma degun ni funteni dilancogo la.

Walasa ka da a la ko 9Cr-1Mo chimie bɛ wuli tiɲɛ na ka kɛ microstructure (mikɔrɔ-yɔrɔ) wajibiyalen ye min ka funteni ka bon, Octal Pipe bɛ seamless-pipe sira kɔlɔsilen ta:

• Billet & piercing (sɔgɔsɔgɔninjɛ).

Cr-Mo billets saniyalenw bɛ sumaya fo ka se u sɔgɔli funteni ma (degere 1100–1150 ɲɔgɔn), o kɔfɛ u bɛ sɔgɔ/janya walasa ka kɛ dingɛw ye ni suman bolicogo kelen ye.

• Hot rolling / nɛnɛ ja

Kogo janya bɛ na ni waatibolodacogo yamaruyalen ye (SCH 10 – SCH 160). Normalizing intermédiaire bɛ se ka kɛ ni dɔgɔyali gɛlɛn walima muɲuli surunw bɛ a la.

• Normalizing (a bɛ se ka kɛ. 900–950℃ye ) .

A bɛ feriti saniya, ka karidi minnu tɛ-kelen ye, olu labɔ, ka kɔnɔna degunw bɔ u dilanni na.

• Tempering (a bɛ se ka kɛ. 675–760℃ye ) .

A bɛ ductility segin a cogo kɔrɔ la ani ka lock kɛ carbide tilatilali ɲininen na walasa creep rupture properties ka bɛn ASTM ka ɲininiw ma.

• Jogoɲumanya kɔlɔsili

1. Ultrasonic / eddy-current NDT kan pipe farikolo ni a labanw
2. Ji-yɔrɔ-sɛgɛsɛgɛli
3. Gɛlɛya ni masinw tacogo batch kelen-kelen bɛɛ la
4. EN 10204 3.1/3.2 seereyaw ka ɲɛsin tugu-tugu-ɲɔgɔn kɔ ma

O kɔlɔlɔ ye pibiliki ye min bɛ ni karɔbɔli ɲumanw ye, minnu jɛnsɛnnen don cogo kelen na ani feritiki matirili sabatilen - i b’a fɛ ka min kɛ baara funteni na waati jan kɔnɔ.

Janya kɛrɛnkɛrɛnnenw ni muɲuli gɛlɛnw bɛ se ka baro kɛ boji/HRSG porozɛw kama.

Ni nɛgɛ funteni bɛ wuli ka taa600–700 degere, P9 bɛ fɛn fila mara minnu duguma kalandenw bɛ daminɛ ka bɔnɛ :

• Surface integrité (dafalen) min bɛ dugukolo kan– oksizɛni filimu min falen bɛ Cr- la, o bɛ skala bonya sumaya ani ka ɔkisizɛni jiginni dɔgɔya, o la tubabukan nɔgɔli ni kogow sɔgɔli bɛ dɔɔni dɔɔni.
• Creep sabatili– ni Mo bɛ jilama la ani karidi kɔrɔsilenw na, a bɛ se ka se creep rupture fanga ma ka kɛɲɛ ni yamaruya ye min ka kan ka kɛ 104 h baara la degere 600 lamini na .

O de y’a to P9 bɛ ɲɛfɔ tuma bɛɛ ka ɲɛsin ninnu ma:

• Kuran sɛnɛyɔrɔw:superheater ani reheater tubes, wazi kunkolow, wazi kunbabaw sira funtenimanw
• Nafinɛ / petoroli tasuma-fanga-minɛnw:reformer tubes, transfert lignes, gazi pibilikiw funteniman-
• Furakɛyɔrɔ minnu ka funteni ka bon-:funteni-falen-falen-minɛnw, manifoliw, reactor balo siraw
• Petroli & gazi funteni-yɔrɔw:pikiri min bɛ kɛ ni watara ye, hidrɔzɛni-baarakɛminɛn minnu bɛ baara kɛ ni funteni ni sɛgɛnlafiɲɛbɔ ye

Ni i y’a suma ni P5/P11 ye, P9 bɛ dilanoksidan kɔlɔsili ɲuman ani mikrostructural coarsening dɔɔnin dɔɔnin, o min ka teli ka baara kɛ ni sɛgɛsɛgɛli waati janw ye.

• Production kaASTM A335 / ASME SA-335 ye baara kɛ ni a yeani ISO/EN wajibiyalenw minnu bɛ tali kɛ o la
• Delivery innormalisé ani tempérécogo
• Mekaniki, NDT, jilafɛnwsɛgɛsɛgɛli rapɔɔriw ka ɲɛsin batɛmu kelen-kelen bɛɛ ma
• 3.1 / 3.2 seereyawbɛ yen
• Paki min bɛnnen don ka taa jamana wɛrɛw la ani ka taa yɔrɔ jan{0}}yɔrɔjan
• Porozɛ-nivo QA/QC dɛmɛni kuran, sɛnɛfɛnw sɛnɛyɔrɔw ani kemikɛli iziniw baarakɛlaw ma

Ɲininkaliw

 

 

J1: ASTM A335 P9 (ASME SA335 P9) pibiliki bɛ kɛ mun na?

A1:Chrome-moly alloy pipe seamless for high-funteni, kɔrɔlen-degun baara fanga ni petoroli sigidaw la.

J2: "9Cr-1Mo" kɔrɔ ye mun ye P9 pipe la?

A2:A bɛ tali kɛ nɛgɛdaga dilanni na ni chrome ni molibdène caman ye walasa ka oksidan kɛlɛ ani ka funteni fanga kɔrɔta-.

J3: P9 ni P22 walima P91 tɛ kelen ye cogo di?

A3:P9 ye 9Cr-1Mo grade ye; P22 ye 2,25Cr-1Mo ye, ka sɔrɔ P91 ye 9Cr-1Mo hakɛ caman sɛmɛntiyalen ye ni nɛgɛko kɔlɔsili gɛlɛnw ye.

J4: Funteni-furakɛli cogoya jumɛn bɛ ɲɛfɔ cogoya la A335 P9 pibiliki min tɛ sɔgɔ?

A4:Funteni-furakɛli cogoya min bɛ kɔrɔsi (a ka c’a la, a bɛ normalize ani a bɛ tempered) ni sɛbɛnw ye minnu sɛbɛnnen don i n’a fɔ a ɲininen bɛ cogo min na order/spec fɛ.

J5: Ne ka kan ka mun ɲini walasa ka P9 pibiliki jogo sɛgɛsɛgɛ sani a ka san?

A5:3.1 MTC ni funteni ɲinini, chimie/masin jaabiw, ani NDE/hydrotest wajibiyalen ka kɛɲɛ ni poroze ɲɛfɔli ye.

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