Nɛgɛ tiyo min tɛ yɛlɛma

Nɛgɛ tiyoye nɛgɛ ye min tɛ se ka nɔgɔ - min dilanna .baarakɛminanw, kuloridi hakɛ, funteni, degun, ani dilan cogo(soudure, kurun, pickling/pasivation). Tiyo "ɲuman" ma sugandi ni grade tɔgɔ dɔrɔn ye-sannikɛlaw ka teli ka datugusariya (ASTM/EN/ISO), fɛɛn suguya (min tɛ nɛgɛ ye wala min be sɔgɔ), ani sɛgɛsɛgɛri/sɛbɛn hakɛfɔlɔ, o kɔfɛ, i ka sɛgɛsɛgɛli kɛ sɛgɛsɛgɛli ni yɔrɔ cogoya kan min ka kan ka kɛ wagatijan-lafiya kama.

Nɛgɛdaga min tɛ yɛlɛma, o ye nɛgɛdaga min be kɛ ni nɛgɛdaga ye, o dɔ ye min be kɛ ka jii nɔgɔmanw dilan, ka baara kɛ ni fanga ye min ka bon, ani ka baara kɛ ni funteni hakɛba ye. ASTM A312 / ASME SA312 sariyaw la, minw lakolɔnna diɲɛ kɔnɔ, nɛgɛkuruw be dilan cogo la min tɛ yɛlɛma, min be sɔgɔ, ani min be baara kɛ ni nɛnɛba ye walisa ka baarakɛyɔrɔw ka sariyaw labato i n’a fɔ tulu ni gazi, petoroli, kuran dilan, dumuniko ani jii furakɛli.

I n’a fɔnɛgɛ tiyo dilanbagaani fɛnw bɔli -min ɲɛsinna fɛnw feerebaga ma saan 2019 kɔnɔ.nɛgɛ tuyo Sinuwaw, Octal Pipe be nɛgɛdagaw di minw be se ka yɔrɔw datugu cogo dafanin na, u be u janya sɛgɛsɛgɛ cogo tigitigi la ani u be u ka ɲumanya sɛgɛsɛgɛ koɲuman. An ka fɛɛnw be se ka kɛ ka kɛɲɛ ni diɲɛ sariyaw ye (ASTM, ASME, EN, DIN) ani u labɛnna ka kɛɲɛ ni sannikɛlaw ka laɲinitaw ye baarakɛcogo gwɛlɛw ni baarakɛcogo ɲumanw fila bɛɛ la.

Octal Pipe be nɛgɛkuruw di minw dilanna ka kɛɲɛ ni ASTM A312 / ASME SA312 ani diɲɛ sariya wɛrɛw ye. O tiyo nunu be sɔrɔ cogoya dɔw la minw tɛ nɛgɛw ye, u be sɔgɔ (ERW/EFW) ani u be baara kɛ nɛnɛba la (HCW), u be se ka nɔgɔw kɛlɛ koɲuman, u be se ka fanga sɔrɔ funteniba la ani u be se ka janya tiɲɛtigiya.
2205, ani Super Duplex 2507, an ka nɛgɛw be baara kɛ ni baarakɛyɔrɔ caaman ye, i n’a fɔ tulu ni gazi, dumuniko ani petoroli. minfɛnw, ani lɔli.

1.Skope & Base sariyaw

• ASME A312 / ASME SA312 – Ostenitic nɛgɛdaga min be se ka nɔgɔ bɔ ani ka baara kɛ ni funteniba ye; a be datugu: Seamless (SMLS), Soudure (ni/ni filler tɛ), ani Heavily Nɛnɛ (HCW).
• Ɲɛyirali fɛ, ASME B36.19M (tuyo hakɛ/girinya min tɛ yɛlɛma) ani ASME B36.10M (n’a be se ka kɛ).
• Sɛgɛsɛgɛli & sɛbɛnw: EN 10204 3.1/3.2 kɔrɔbɔli sɛbɛnw; ITP/seere min be se ka kɛ.

2.Sariya minw be taga ɲɔgɔn fɛ

• ASTM A213/SA213– Boli ni superchauffage ka boonw.
• ASTM A269 – Baarakɛyɔrɔba / minanw ka tubo.
• ASTM A358 – Kuran -fiziyɔn -sodi (EFW) tuyo belebele -.
• ASTM A789 / A790 – Tuyo minw be se ka yɛlɛma ani minw be se ka yɛlɛma.
• EN 10216-5 / EN 10217-7 – Tubabu minw tɛ nɛgɛ ye / minw be ɲɔgɔn minɛ ka kɛ nɛgɛ ye.
• Baara min be se ka kɛ: NACE MR0175 / ISO 15156.

3.Grade Denbayaw be di

• 18Kr-8Ni; laɲinitaba, min be se ka sodi ani min be se ka dilan.
• TP316 / TP316L – Mo-minɛbaga, a ka ɲi kosɔbɛ kulori baara la.
• TP321 / TP347 – Ti/Nb basiginin lo, a be nɔgɔw bali ka nɔgɔ bɔ ɲɔgɔn na -sɔdi kɔ.
• TP310S – Cr-Ni ka ca, a be se ka yɛlɛma yɛlɛma ni funteni be yɛlɛma.
• 2205 / 2507 Super – Fangaba, SCC kɛlɛli ɲuman.

4.Sɛbɛnw ani u nɔfɛtagama

• MTRw ni kemikali sɛgɛsɛgɛli, mekaniki jaabiw, NDT sɛbɛw, funteni furakɛli sɛbɛw.
• Heat nimero stamping walisa ka se ka mɔgɔw lɔn ka ɲɛ.
• PMI sɛgɛsɛgɛri be sɔrɔ n’i y’a ɲini.
• O la, a be se ka kɛ ko sɛgɛsɛgɛri minw be kɛ ni IGC ye (ASTM A262, G48).

316L nɛgɛ tiyo

316L nɛgɛ tiyoa ka ca a la, a be fɔ ka ɲɛsin jii ma min be ni kloridi ye, kemikali baara nɔgɔman, ani baji kɔnɔ baarakɛminanw minw be ɲɔgɔn gɛrɛfɛ sabu Mo{2}}min be ni kemikali ye, o be 304/304L ka fanga fisaya, k’a sɔrɔ "L" grade be dɛmɛ don farati min be dilan ka ɲɛ, n’a be sɛgɛsɛgɛri kɛ ka sɛgɛsɛgɛri kɛ.

Sanni koo la,316L nɛgɛ tiyoka kan ka ɲɛfɔ ni .: (1) sariya min be mara (i n’a fɔ, ASTM A312 TP316L), (2) a bonya n’a ka porogramu, (3) a sanfɛla cogoya (a be yɛlɛma/a be yɛlɛma n’a ka ɲi), ani (4) sɛgɛsɛgɛri ani sɛbɛw hakɛ-o la, tiyo min be di, o be bɛn baarakɛcogo ni baarakɛyɔrɔ ka sɔnni sariyaw fila bɛɛ ma.

Nɛgɛ tiyo min tɛ yɛlɛma, o ka teli ka di i n’a fɔ .tigɛbaliwalimasoudure, ani a ka c’a la, mɔgɔ min ka ɲi ka min sugandi, o lo b’a yira .baara (degun/funteni/doni yɛlɛmani), dilan cogo, ani sɛgɛsɛgɛri hakɛ min ɲini poroze ITP fɛ. Sanni na, "seamless vs welded" tɛ fɛn ye min ka di mɔgɔ ye, nka a ka ca a la, n'o baarakɛyɔrɔ b'a to mɔgɔw be se ka sɔgɔli kɛ-ani o sɔgɔli bena sɔn cogo min na ani ka sɛbɛn kɛ. O ye cogo min na Octal Pipe be sugandili labɛn tuma min na a be pake ɲagamininw -ko fɔra.

Nɛgɛ tiyo min tɛ yɛlɛmaa ka ca a la, a be sugandi ni baara ka gwɛlɛ-degunba, funteni caman, walima funteni yɛlɛmani min ka ca -ani ni sannikɛlaw b’a fɛ ka tiyo farikolo kelen sɔrɔ baarakɛcogo gwɛlɛw kama. O fana ye sira ɲuman ye diamɛtiri fitinin caaman kama yɔrɔ minw na seamless sɔrɔli barikaman lo ani weld-seam review be gɛlɛya gwansanw fara a kan sɔrɔli la. Sugandili sababu jɔnjɔnw ye:

• O sɛrɛkili/kodi b’a ɲini ka gwɛ ko an ka ɲi ka .
• Funteniba-walima baara min be kɛ yɔrɔ min na dilan cogo kɔrɔman lo ka di
• Muɲuli gwɛlɛ bɛnnin - ka ɲɛsin bobine dilanninw ma

Nɛgɛ tuyo min tɛ yɛlɛma(ERW/EFW) ka teli ka sugandi diamɛtiri belebelew, boli tilenninw, ani sɔngɔ-pakew kama yɔrɔ minw na sɛrɛkili b’a to boon lɔli be se ka kɛ ni sɔgɔlan ye. Yan, sanni sinsinyɔrɔ be yɛlɛma ka taga yɔrɔw sɔnni ma-soudure baarakɛcogo kɔlɔsili, NDT ka bonya (UT/RT yɔrɔ min na a be se ka kɛ), ani yɔrɔ cogoya laɲiniw (pickling/passivation) minw be nɔɔ to baarakɛcogo saniyako kan. O la, Octal Pipe be sɛgɛsɛgɛri kɛ ni sɛbɛw ye ka kɛɲɛ ni poroze ka sɔnni sira ye walisa site web bɔli kana nɔrɔ kɔrɔfɔli la.

Sariya minw be ta porozew la, u dɔw ye .ASTM A312(tuyo nɔgɔbali min be kɛ ni austenitiki ye),ASTM A790(tuyo duplex min tɛ yɛlɛma),ASTM A213(boli/kalaya yɛlɛmalanw),ASTM A269(minɛnw ka tubo), ani .ASTM A358(tuyo belebele-OD min be sɔgɔ ni ɔsitɛniti ye).

Ni i be sɛgɛsɛgɛri kɛra a .nɛgɛ tiyo dilanbaga, min be yɔrɔ min be se ka la a la ani min be farati la, o ye izini-nivo ka segikanni ye:sɛgɛsɛgɛli, sodi tilenninya (sodi tiyo kama), janya basigi, yɔrɔ cogoya, ani sɛgɛsɛgɛli. I n’a fɔnɛgɛ tiyo izini-dɛmɛna dilanbaga kɔnɔnɛgɛ tuyo Sinuwaw, Octal Pipe sigila ka pipe stainless bɔ ni kɔlɔsili ye sannikɛlaw be se ka min sɛgɛsɛgɛ poroze yɛrɛ yɛrɛw kan-kɛrɛnkɛrɛnniya la, pake ɲagamininw kan-grade yɔrɔ min na 304L ani .316L nɛgɛ tiyoa ma se ka sɔn ka tɛmɛ.

An ka izini-kɛrɛfɛla kɔlɔsili yɔrɔw ye:

• PMI / simi sɛgɛsɛgɛri (n’a ka ɲi):a be -grade ɲagamininw bali -, farati min ka ca ka sɔrɔ 304L/316L fɛnw kan.
• Janya kɔlɔsili:OD/WT, ovalité, droite-olu lo be teliya min latigɛ, o be bɛn -up ma ka ɲɛsin nɛgɛw ma ani boli janw ma.
• Soudure yɔrɔ sɛgɛsɛgɛli (soudure tiyo kama):316L nɛgɛdaga min tɛ yɛlɛma, an be nɛgɛdaga paramɛtiriw datugu (kalaya donyɔrɔ finɛtiri, tagama teliya, nɛgɛdaga min be nɛgɛdaga datugu) ani ka nɛgɛdaga basiginin sɛgɛsɛgɛ ni in-line monitoring ye; nɛgɛdaga porofayili be kɔlɔsi ka kɛɲɛ ni poroze ka sɔnni basigi ye (a ka ca a la, a be ɲɛfɔ i n’a fɔ dan minw be nɛgɛdaga janya/jukɔrɔla tigɛli ani tilenninya kan i n’a fɔ kogow bonya ka baara), ani nɛgɛdaga kɔnɔnafɛnw minɛcogo be mara yɔrɔ minw na a ka ɲi ka kɛ walisa dinga ka to ka kɛ kelen ye dilanni ni ji bɔli baara kama.
• Dugukolo cogoya kololi:pickling/passivation ani saniyako laɲiniw ɲɛfɔra walisa ka ban “a be komi a ka ɲi, a be dɛsɛ baara la/a be baara kɛ” kabakokow la.
• Ka minanw bɔ jamana wɛrɛw la ani ka karitiw bɔ:Tanɛgɛ tuyo Sinuwawfɛnw sɔrɔli, poroze farati minw ka ca, o ye grade mix-up, yɔrɔ tiɲɛni, ani bɔli kɔfɛ a sɔrɔtuma na. Octal Pipe b’o nɔgɔya ni tagamasiɲɛ gwɛninw ye, latangali laban, fɛnw ɲɔgɔnnabɔli sugandiliw, ani fɛn caman min basiginin be bɔli kan min be karitiw yira .tiyo tagamasiɲɛ → MTC → sɛgɛsɛgɛri sɛbɛw. O jaabi ka nɔgɔ: mɔgɔw ka ɲininiw ka dɔgɔ, u ka re-sɛgɛsɛgɛriw ka dɔgɔ, ani u ka magazɛnw bɔli ka teli-bari tiyo be na i n’a fɔ sisitɛmu min be kɔlɔsi, a ma kɛ minanw ɲɔgɔn kan.

O lo kama sannikɛla caaman be ɲinini kɛra .nɛgɛ tiyo dilanbagawalimanɛgɛ tiyo izinikɔnɔnɛgɛ tuyo Sinuwawi t’i janto mɔgɔw ka ɲiningaliw la ani i b’i janto kosɔbɛ n’a feerebaga be se ka jaabi kelen di tuma bɛɛ: nɔrɔli ɲuman (o la, .316L nɛgɛ tiyo), a bonya tilenninw, a yɔrɔ tilenninw, ani sɛgɛsɛgɛri dalilu tilenninw-k’a sɔrɔ u ma baara kɛ tugun n’u y’u sɔrɔ.

Komi Octal Pipe ye nɛgɛdaga dilanbaga ye, a be nɛgɛdaga bɔ min be ni paramɛtiriw ye minw be kɔrɔsi, a be sɛgɛsɛgɛri kɛ n’a ka yɔrɔw ye (n’a be se ka kɛ), ani sɛgɛsɛgɛri sɛbɛw be se ka sɛgɛsɛgɛ.

1.A tɛ gɛrɛntɛ (SMLS)

• A kɛcogo: Bilɛti kalaya → A sɔgɔ → A yɛlɛma → A bonya → A be furakisɛ yɛlɛma → A be yɛlɛma → A be sɛgɛsɛgɛri kɛ.
• Nafa: Sodi yɔrɔ tɛ yen, a be se ka la a la -degunba ani baara gwɛlɛw kama.

2.Sɔdi (ERW/EFW)

• A kɛcogo: Ka bandi wala pilaki dilan → Ka soudure longitudinale/spirale → Ka furakisɛw yɛlɛma → Ka bonya → Ka tilenninya kɛ.
• Soudure kɛcogo: ERW/HFI, TIG/GTAW, SAW, EFW ka kɛɲɛ ni OD/WT ye.
• Nafa: Sɔngɔ-ka ɲi, a bonya be sɔrɔ, saniyako sugandili ni nɛgɛ bɔli ye.

3.Nɛnɛba baara (HCW)

• O kɛcogo: Nɛnɛ dɔgɔyali tiyo sɔgɔnin kan + yɛlɛmani.
• Nafa: dɔ farala fanga kan, muɲuli gɛlɛnw, laban nɔgɔman.

4.Funni furakɛli & yɔrɔ

• 1050–1150 degere teliya la.
• Ɲɛyirali minw be sɔrɔ: A be yɛlɛma ani a be yɛlɛma, a be yɛlɛma ka gwɛ, a be yɛlɛma satin-, a be yɛlɛma ni filɛrifɛn ye.

5.Kalite kɔlɔsili

• Sɛgɛsɛgɛli min be kɛ ni ji ye, Eddy Current/UT, Radiyogarafi min be kɛ ni fani ye ani farikolo kan.
• Masini sɛgɛsɛgɛli: Tensi, sɔrɔ, gɛlɛya, pɛtɛ/flaring.
• Ɲɛyirali fɛ, mɔgɔw be se ka fɛnw sɛgɛsɛgɛ: ASTM A262 (IGC), ASTM G48 (yɔrɔ minw be yɔrɔw sɔgɔ).

Ni sannikɛla be sɔrɔ .nɛgɛ tuyo Sinuwaw, farati yɛrɛ yɛrɛ tɛ "mansin be se ka nɔgɔ dilan"-o ye ni feerekɛla be se ka .mara jate + bonya + yɔrɔ cogoyatuma bɛɛ pake kuru bɛɛ kɔnɔ. Octal Pipe ka porogaramu min tɛ yɛlɛma, o lɔra o tiɲɛn kan: nɛgɛw minw tɛ nɛgɛw ye walisa ka OD yɔrɔw gɛrɛntɛ ani yɔrɔ minw be kɔlɔsi, ka fara nɛgɛw kan minw be se ka yɛlɛma ka kɛ diamɛtiribaw ye, o bɛɛ bɔra izini ka sira dɔ kan min be yɛlɛmayɛlɛma/ja, funteni furakɛli, tilenninya ani yɛlɛmayɛlɛma fara ɲɔgɔn kan yɔrɔ kelen na.

O kɔrɔ ye min ye PO yɛrɛ yɛrɛ kan, o ka nɔgɔ. Ni poroze be .316L nɛgɛ tiyo(a ka ca a la, a be ɲagami ni 304L/321 wala duplex ye), Octal Pipe be se ka pake mara a saniyanin ye k’a dilan OD ka fenɛtiriw kɔnɔ minw tɛ ɲɔgɔn minɛ fɔɔ ka taga se 100 ma.milimɛtiri 630ani a y’a sodi fɔɔ ka taga se .milimɛtiri 2620, ni kogow bonya ka ca .milimɛtiri 1–35-o la, bonya tɛ "baarakɛcogow" jagoya cɛmancɛ-ko la. Dilanyɔrɔ fan fɛ, sira be minanw-la: a .280 mansin yɛlɛmayɛlɛmalan + sɔgɔli, kɔfɛnɛnɛ yɛlɛma/nɛnɛ ja, o kɔ, .gazi min be yɛlɛmanimuguka yɔrɔw labɛn, ani a laban .tilenninyasanni a ka bɔ kaso la. O baarakɛcogo cakɛda lo be stable fit-up dɛmɛ ani dilan jogo min be se ka fɔ ka bila, a ma kɛ kalanso tɔgɔ dɔrɔn ye sɛbɛ kan.

Sariya ni gradew be datugu cogo min na EPCw be san tiɲɛn na: tuyo/tuyo minw ka teli ka .ASTM/ASME (A312/A213/A269; A789/A790), ka faraEN (10216-5/10216-2), DIN (17456/17458), JIS (G3459/G3463), GOST (9941/5632), ani GB (14975/14976, 13296, 5310, 9948). Ɲɛyirali fɛ, mɔgɔw be se ka ɲɔgɔn minɛ cogo min na, o ye denbayaw ye minw be ɲɔgɔn sɔrɔ (TP304/304L, TP316/316L, TP321, TP347, TP310S, TP317L, 904L), duplex/super duplex (S31803/S32205/S3). (N’a ɲɔgɔnnaw). A ka surun: a .nɛgɛ tiyo dilanbagase min be "don o loon yiri nɔgɔbali" ani nɔgɔ-kɔrɔsi pakew fila bɛɛ datugu, ni nɛgɛ nɔgɔbali izini ka sira ye min be se ka bɔli to a kelen na diamɛtiriw ni sariyaw bɛɛ la.

Aw ka ɲɔgɔn sɔrɔ sisan

Ɲiningali

 

 

Q:304 vs 316L nɛgɛdaga - min ka kan ka yira?

A:Ni layidu bena yekuloridiw(jii sumanin, koyɔrɔ, baji daa fiɲɛ, ji kɔgɔman yɛlɛma),316/316La ka ca a la, a be fɔ ka gwɛ sabu molibdɛni be se ka mɔgɔw dɛmɛ ka yɔrɔw kɛlɛ ni 304-seri ye.316La ka ca a la, a ka di a ye ka ɲɛsin sɔgɔlanw ma walisa ka dɔ bɔ sensitizasiyɔn farati la sɔgɔnin kɔ.

ASTM A312 ni ASTM A213 ni ASTM A269 - danfara jumɛn lo (pipe ni tiyo)?

A: Miiri "baara + fɛɛn suguya":ASTM A312ye nɔgɔ yetiyoka ɲɛsin -temperatureba ma ani ka baara kɛ ni fɛnɲɛnamafagalanw ye (min tɛ nɛgɛ ye walima min be sɔgɔ).ASTM A213betigɛbalinɛgɛso/kalayafɛnba/kalaya-falenfɛntubi, niASTM A269ye nɔgɔ yetubo(min tɛ nɛgɛ ye walima min be sɔgɔ) ka se ka nɔgɔw kɛlɛ -, ka baara kɛ ni funteni dɔgɔman/ba - ye.

Q:Seamless vs soudure nɛgɛdaga - cogo di n be se ka sugandi k’a sɔrɔ n ma - ɲɛfɔ ka tɛmɛ?

A:Sugandilitigɛbalini baara walima spec ka gwɛlɛ (presion/température caman, nɛgɛso boli jugu, walima "seamless required"). Sugandisoudureni spec b’a to ani poroze be nafa sɔrɔ OD/WT basiginin na ani sɔrɔli la-o kɔ, faratiw kɔlɔsi ni ɲɛfɔli ye .NDT yɔrɔ(UT/RT/ET ITP kelen kelen bɛɛ la) ani dugukolo cogoya laɲiniw PO kɔnɔ.

Q:Ne be se ka nɛgɛso dilanbaga/izini dɔ lɔn cogo di Sinuwa jamana na sanni n’ ka PO bila?

A: A ɲiniAN 10204 3.1sɛbɛ min sirinin be lot min dira (sɛgɛsɛgɛri jaabiw + sariyaw labatoli kuma), ani a be ɲini ka sɛgɛsɛgɛri kɛ ka bɔ .tiyo tagamasiɲɛ → MTC → sɛgɛsɛgɛri sɛbɛw; PMI fara a kan yɔrɔ min na grade- ɲagaminin farati ka bon (misali la, 304L + 316L pakew). Nin ye fɛɛrɛ teliman ye ka de-farati bɔ "nɛgɛ tuyo Sinuwa" sɔrɔli la ani ka ban ka-bɔli mɛɛn.

Sɛrɛkiliw

 

CE sɛbɛ

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API-5CT ka sɛbɛ

 

OD:milimɛtiri 6 – milimɛtiri 1200

Kogo bonya:0,3 – 50 milimɛtiri (SCH 5S ka taga se XXS ma)

Janya:6m, 12m, 20ft, 40ft, tigɛcogo

A laban:Beveled, plain, juru ni ɲɔgɔnkunbɛn

Sanfɛla laban:A/P, BA, nɔgɔnin, filɛrikɛlan

Tagasogow: nɛgɛ tiyo, Sinuwa nɛgɛ tiyo dilanbagaw, feerekɛlaw, izini