ASTM A213 T9 nɛgɛkuru

Superheater bankiw, reheater sɛrɛkiliw, HRSG ka konvɛkisiyɔn yɔrɔw ani heater bobinw ɲɛsinna tube-nɛgɛw ka funteni ma ani oksidi doni minw be low-Cr nɛgɛw yɛlɛma. ASTM A213 T9 be fanga gwansan di ani jogo basiginin ka tɛmɛ 1.25–2.25Cr gradew kan k’a sɔrɔ 9Cr–V–Nb nɛgɛw dilanni sensitivite tɛ yen, o min b’a to a be kɛ sugandili ɲuman ye yɔrɔ min na lɛrɛ janw, funteni yɛlɛmaniw ani coil tilenninya be faratiw kan.

ASTM A213/SA213 be nɛgɛ min tɛ nɛgɛ ye, o ɲɛfɔtubonɛgɛw ni funteni yɛlɛmayɔrɔw kama. Porozew be kɛnɛma diamɛtiri, kogo fitinin ani tigɛli janya yira ka ɲɛ kunnafoni sɛbɛ kan sanni ka tuyo porogramuw yira. Tilenni ni ovalité be sɛgɛsɛgɛ ka ɲɛ ka se ka tubo-ka-tubo sɛbɛw bɛn; a labanw be di ni tigɛli gwansan ye wala kaare-ka fɛnw sɔgɔli kama, ni biɲɛw ye yɔrɔ minw na foro kɔnɔ sɔgɔli labɛnna.

Tabali 1 - A213 T9 kemikalifɛnw (g.%)

Tabali 2 - Fɛɛn fitininw minw be sɔrɔ sɛgɛsɛgɛri kama

Design be baara kɛ ni stress minw daganin lo baarakɛyɔrɔ ka funteni hakɛ la ka bɔ sariyaw la.

Baara kɛcogo be kɔlɔsi ni .nɛgɛ funteni, daminɛ–lalɔ tuma o tuma ani dugukolo sanfɛla fɛnwka koow kɛ ɲɔgɔn fɛ. Ni ~9% Cr, oksidi be to ka tugu a .paraboli sariya(oksidi-bonya2 ≈ k·waati); paraboli hakɛ ka dɔgɔ kosɛbɛ ka tɛmɛ low-Cr nɛgɛw kan, o min be dan sigi sɛgɛsɛgɛli gɛrɛntɛ ni spallation koow la. Mo be karibidiw basigi, ka sumanw-dancɛw yɛlɛmani ani woow yiriwali lalɔ o la kogow tununi ka bɔ wagati-ka yɛlɛmani na dɔɔni dɔɔni.

Kɔnɔyɔrɔ gwansanw, yɔrɔ jalenwi n’a fɔ circuits hot-reheat ani banques de convection chauffage, T9 be yɔrɔ koorininw ni kogow bonya mara ka ɲɛ ka tɛmɛ 1,25–2,25Cr sugandiliw kan, o be retube ka caya dɔgɔya ani duguma nɔgɔ min be sɔrɔ boonw kɔnɔ. HRSG baara la ni nɛgɛso boli ye tuma o tuma, funteni tɛmɛtɔw be oksidi gɛlɛyaw lawuli ani ka dɔ fara spalasiyɔn/"re-oksidasiyɔn" kan; ka yɛlɛyɛlɛnan hakɛ yɛlɛma, ka buguri-fiyɛcogo fisaya, ani ka tugu ɲɔgɔn kɔtubo-nɛgɛ funteni (TMT)hotspots be farati dɔgɔya bololafɛnw ta fan fɛ. Depoziti simi koɲɛw: alkali-rich walima kibiri-bearing buguri be se ka oksidi yɛlɛma ani ka yɔrɔ kɛlɛ teliya, o la, taji/buguri sɛgɛsɛgɛli min farala borescope sɛgɛsɛgɛli kan, o be kɛ ka saniya ni sɛgɛsɛgɛli wagati labɛn.

Ka creep, T9 ka nafa siginin be .jan-ɲɛnamaya mara: fɛn ɲuman, min be to ka kɛ sɛnɛfɛnw ye-dancɛ karibidi nɛgɛjuru min be bɔ yɛlɛmani ɲuman na, o be yɛlɛmani wagati fisaya ani ka yɛlɛmani to a kelen na. Ka kalaya kojugu walima ka kalaya min tɛ kɔlɔsi ka ɲɛ, o be sumanw nɔgɔya ani ka karibidiw kɛ sfɛriyidi ye, ka funu joona, ka kɛ ovali ye walima ka ji bɔ. A ka kɛwalew la, yɛlɛmani .oksidi bonya/giriya cayaani TMT ka tariki be dalilu di sɛgɛsɛgɛri porogramu labɛnni koo la.

Tabali 3 - Foro tagamasiɲɛ ni ɛnzeniyɛri ka jaabili

Tabali 4 - Anvɔlɔpu janya cogoya

Surface state ka teli ka ɲɛnamaya bɛɛ latigɛ baara gwansan na. Kontɔrɔli nɛgɛjuru min be se ka kɛ, o ye:de-sɛgɛsɛgɛli → saniya → ja → datugulan → nɔrɔ → sɛgɛsɛgɛ. O kɔfɛ, aw ka funteni tinti ni sɛgɛsɛgɛli tɔw bɔ ID/OD kɔnɔ; nɔgɔ ni fɛn saniyaninw ye, ka sɔrɔ ka ID ja ka se yɔrɔ dɔ ma min sɛbɛra (misali la, yɔrɔ min be nɛnɛ lamini duguma ni yɔrɔ dɔ ye min dantigɛra). Labɛn ka kɛɲɛdatugulan labanwani ka baara kɛ ni fani ye min be buguri ni jii nɔgɔya; aw ka fɛnw mara duguma ni jii bolisiraw ye ani UV latangacogo ye.

Sɔn be ITP kɔnɔ o la QA be se ka bolonɔ bila k’a sɔrɔ sɔsɔli tɛ yen. "Saniya" kɔrɔ ɲɛfɔ (kilasi yeta, kulori/tulu dancɛw n'a be se ka kɛ), ja be sɛgɛsɛgɛ cogo min na, ani pake minw ka kan ka don marayɔrɔ la. Karbɔni-nɛgɛ minɛnw ka to yɔrɔjan na T9 nɛgɛw la walisa nɛgɛ- kana don nɛgɛ la; yɔrɔ min na magazɛn ɲagamininw tɛ se ka bali, i ka pɔsi-saniyaferɔkisili sɛgɛsɛgɛlimisaliyaw kan. Sanni a ka bɔ, aw ka fotow sɛbɛ ani ka sɛbɛ min mara, o sɛbɛ n’a ka ID ye ɲɔgɔn kan walisa mɔgɔw k’a lɔn ko yɔrɔ min be mara, o ma nɔgɔ.

Poroze minw basiginin lo ASTM A213 T9 kan,Octal tiyoa be tubiw di minw tɛ yɛlɛma, a be baarakɛcogow ni sɛbɛw bɛn ni poroze ITP ye ani a be se ka seereya kɛ mɔgɔ kelen kelen bɛɛ ye (i n’a fɔ, BV, SGS) n’a ka ɲi.

Ɲiningali fɔlɔ: ASTM A213 T9 (ASME SA213 T9) ka boonw be baara kɛ ni mun lo ye?
A1:9Cr-1Mo ferritic alloy tube min tɛ nɛgɛ ye, o ye nɛgɛdaga, nɛgɛdaga, ani nɛgɛdaga yɛlɛmalanw ye minw be baara kɛ ni funteniba ye, ni fangaba ye.

Ɲiningali 2nan: Yala A213 T9 ni A335 P9 be taga ɲɔgɔn fɛ wa?
A2:U ka teli ka jati i n’a fɔ u bɔɲɔgɔnko ye simi/UNS fɛ (T9=tubi spec, P9=pipe spec), nka i ka kan ka poroze ka sariyaw ni kɔrɔbɔli hakɛ bɛn.

Ɲiningali 3nan: Ne ka ɲi ka mun lo ɲini walisa ka ASTM A213 T9 ka boonw sɛgɛsɛgɛ ka ɲɛ sanni n’ k’u san?
A3:3.1 MTC ni funteni hakɛ + funteni furakɛli cogoya, simi/mekaniki jaabi, ji sɛgɛsɛgɛli walima NDE (i n’a fɔ a fɔra cogo min na), janya sɛgɛsɛgɛli, ani tagamasiɲɛ/sɛgɛsɛgɛli dafalen.

Aw ka ɲɔgɔn sɔrɔ sisan

Sɛrɛkiliw

 

CE ka sɛbɛ

ISO 9001 ka sɛbɛ

API Q1 sɛbɛ

ABS sɛbɛ

AP-5L sɛbɛ

API-5CT ka sɛbɛ