Dhuumaha birta aan lahayn

Dhuumaha birta aan lahaynwaa daxalka - alaabta tuubada ee birta u adkeysatawarbaahinta adeegga, heerka chloride, heerkulka, cadaadiska, iyo habka wax soo saarka(alxanka, foorarsiga, qashin-qaadista/dabciga). Tuubbada "xaq" laguma doorto magaca darajada oo keliya{1}}iibsadayaasha ayaa sida caadiga ah qufulaheerka (ASTM/EN/ISO), foomka wax soo saarka (laxan-la'aanta ama alxanka), iyo kormeerka/ baaxadda dukumentigamarka hore, ka dib xaqiiji darajada iyo xaalada dusha sare ee loo baahan yahay - isku halaynta muddada dheer.

Tuubbada birta-daawadu waa mid ka mid ah xalalka tuubooyinka dalagyada aadka loo isticmaalo ee dareerayaasha daxalka ah, adeegga cadaadiska sare, iyo codsiyada heerkulka sare. Marka la eego heerarka caalamiga ah ee ASTM A312 / ASME SA312, tuubooyinka birta ah waxaa lagu soo saaraa si aan fiicneyn, alxan, iyo qabow daran{4}} foomamka la shaqeeyay si ay u buuxiyaan shuruudaha adag ee warshadaha sida saliidda & gaaska, kiimikooyinka petrochemical, korontada, daaweynta biyaha, cuntada & cabitaanka, iyo dhismaha.

Sida asoo saaraha tuubooyinka birta ahiyo dhoofinta -Lamaanaha saadka ku jihaysan gudahaDhuumaha birta ah ee Shiinaha, Octal Pipe waxay bixisaa tubooyinka birta ah ee aan-ahaamaha lahayn oo leh dabool heersare ah, kontorool cabbir sax ah, iyo hubinta tayada adag. Badeecadahayagu waxa ay shahaado siiyeen heerarka caalamiga ah ee waaweyn (ASTM, ASME, EN, DIN) waxaana loo habeeyey si ay u daboolaan baahiyaha macaamiisha gaarka ah ee hababka habsocodka muhiimka ah iyo codsiyada qaabdhismeedka.

Octal Pipe waxay siisaa tuubooyin bir aan lahayn oo la soo saaray si waafaqsan ASTM A312 / ASME SA312 iyo heerarka kale ee caalamiga ah. Tuubooyinkan waxaa lagu heli karaa si aan kala go 'lahayn, alxanka leh (ERW/EFW), iyo foomamka si xoog leh loo shaqeeyay (HCW), oo bixiya iska caabbinta daxalka oo aad u wanaagsan, heerkul sare oo xoog leh, iyo saxnaanta cabbirka.
Iyada oo darajooyinka daboolaya TP304/304L, TP316/316L, TP321, TP347, TP310S, Duplex 2205, iyo Super Duplex 2507, tuubooyinkeena ahama waxay u adeegaan tiro balaadhan oo ah warshado ay ka mid yihiin saliid & gaaska, petrochemical, farsamaynta kiimikada, koronto & daaweynta biyaha, celceliska daaweynta.

1.Scope & Base Standards

• ASTM A312 / ASME SA312 – Dhuumaha birta asturan ee Austenitic ee daxalka guud iyo adeega heerkulka sare-; daboosha bilaa-xaraf ah (SMLS), Welded (aan lahayn buuxin), iyo Qabow Aad u Shaqaysan (HCW).
• Tixraacyada cabbirka: ASME B36.19M (xajmiga/miisaanka tuubooyinka aan daacin) iyo ASME B36.10M (marka ay khuseyso).
• Kormeerka & dukumeentiyada: EN 10204 3.1/3.2 shahaadooyinka tijaabada; ITP/markhaati ikhtiyaari ah oo macmiil ah.

2.Heerarka La Xiriira

• ASTM A213 / SA213- tuubooyinka kululeeyaha iyo kuwa kululeeyaha.
• ASTM A269 - Adeegga guud / tuubooyinka qalabka.
• ASTM A358 - - dhexroor koronto oo weyn -fuyuubiyo - welded (EFW) tube austenitic.
• ASTM A789 / A790 - Duplex iyo Super Duplex tubooyinka aan hadhka lahayn.
• TS EN 10216-5 / TS 10217-7 Tuubooyinka aan xidhnayn / alxanka lahayn ee ujeedooyinka cadaadiska
• Adeeg dhanaan ikhtiyaari ah: NACE MR0175 / ISO 15156.

3.Fasalka Qoysaska La keenay

• TP304 / TP304L - 18Cr-8Ni; ujeedo guud, alxanka iyo qaabaysan.
• TP316 / TP316L – Mo{2}}dhal, aad ugu fiican adeega koloriinta.
• TP321 / TP347 - Ti/Nb waa la xasiliyay, waxay ka hortagtaa daxalka dhexda ah - alxanka
• TP310S – Sarre Cr-Ni, oksaydhka u adkaysta heerkulka sare.
• Duplex 2205 / Super Duplex 2507 - Xoog sare, iska caabin SCC heer sare ah.

4.Dokumentiyada & Baafinta

• MTR-yada leh falanqaynta kiimikada, natiijooyinka farsamada, diiwaannada NDT, diiwaannada daaweynta kulaylka.
• Shaabada lambarka kulaylka si loo helo raad buuxa.
• Imtixaanka PMI waa la heli karaa marka la codsado.
• Daxalka Ikhtiyaarka ah iyo imtixaanada IGC (ASTM A262, G48).

316L Dhuumaha birta ah ee aan lahayn

316L tuubo bir ah oo aan lahaynwaxaa inta badan loo cayimaa chloride - biyaha qaada, adeeg kiimikaad fudud, iyo badda - yutiilitirka ku xiga sababtoo ah Mo{2}} kimistarigu waxa uu wanaajiyaa iska caabbinta 304/304L, halka darajada "L" ay taageerto been-abuur badbaado leh iyada oo la dhimayo khatarta dareenka alxanka kadib.

Soo iibsiga,316L tuubo bir ah oo aan lahaynwaa in lagu qeexaa: (1) heerka maamulka (tusaale, ASTM A312 TP316L), (2) cabbirka iyo jadwalka, (3) xaaladda dusha (la soo xulay/la fasaxay haddii loo baahdo), iyo (4) kormeerka iyo baaxadda dukumentiyada{8}}sidaa darteed tuubada la keenay waxay u dhigantaa labadaba waajibaadka adeegga iyo shuruudaha aqbalaadda dhirta.

Dhuumaha birta ah ee birta ah ayaa guud ahaan la bixiyaa sidaaan kala go 'lahaynamawelded, iyo doorashada saxda ah sida caadiga ah waxaa go'aamiyawaajibaadka (cadaadiska/heerkulka/ rarista wareegga), habka wax-soo-saarka, iyo baaxadda kormeerka ee looga baahan yahay mashruuca ITP. Soo iibinta, "seamless vs welded" way ka yar tahay dookhyada iyo in badan oo ku saabsan haddii adeeggu ogolyahay tollaynta alxanka -iyo sida tolnimadaas loo aqbali doono oo loo diiwaangelin doono. Tani waa sida caadiga ah sida Octal Pipe u habayso xulashada marka la xiganayo - baakadaha cabbirka ah ee aan lahayn.

Dhuumaha birta aan fiicnaynwaxaa badanaa la doortaa marka waajibaadku adag yahay-cadaadiska sare, heerkulka sare, ama baaskiilka kulaylka badan ee baahida badan{1}}iyo marka iibsadayaashu ay rabaan jirka tuubada isku midka ah ee habka muhiimka ah. Sidoo kale waa waddo wax ku ool ah oo loogu talagalay dhexrooryo yaryar oo badan halkaas oo helitaanka aan kala go 'lahayn uu xooggan yahay oo alxanka - dib u eegista tollayntu waxay ku kordhinaysaa kakanaanta aan loo baahnayn marka la helo. Kiciyeyaasha xulashada muhiimka ah waxaa ka mid ah:

• Qeexitaanka/code wuxuu si cad ugu baahan yahay bilaa turxaan
• Heerkulka sare- ama adeega baaskiilka halkaasoo nakhshad muxaafid la door bidayo
• Dulqaad adag oo ku habboon{0}} kor u kaca dabaasha la sii hagaajiyey

Dhuumaha birta aan welded lahayn(ERW/EFW) waxaa caadi ahaan loo doortaa dhexroorka waaweyn, orodka dheer ee tooska ah, iyo qiimaha {{0}xirmadaha wax ku ool ah halkaasoo qeexitaanku ogolaado dhismaha alxanka. Halkan wax iibsiga waxa ay u rogmataa aqbalaadda tolitaanka - xakamaynta habka alxanka, baaxadda NDT (UT/RT halka ay khusayso), iyo shuruudaha xaalada dusha (qaadista/cafis) ee saameeya nadiifinta komishanka. Xirmooyinka alxanka leh, Octal Pipe caadi ahaan waxa ay isku toosisaa baaxadda baadhista tollaynta iyo dukumeentiyada dariiqa aqbalka mashruuca si siidaynta goobtu aanay ugu dhegin tarjumaada.

Heerarka caadiga ah ee loo isticmaalo mashaariicda waxaa ka mid ahASTM A312(tuubo aan lahayn Austenitic),ASTM A790(tuubo aan laba-laab lahayn),ASTM A213(tuubooyinka kululeeyaha/kuleylka),ASTM A269(tubooyinka qalabka), iyoASTM A358(weyn - OD tubbada alxanka leh).

Haddii aad qiimaynayso asoo saaraha tuubooyinka birta ah, waxa run ahaantii ka sooca isha lagu kalsoonaan karo iyo midka khatarta ah waa warshad -soo celinta heerka:Xaqiijinta darajada, daacadnimada alxanka (tuubada alxanka leh), xasilloonida cabbirka, xaaladda dusha, iyo raadraaca. Sida aWarshada dhuumaha birta ah- alaab-qeybiye uu taageerayDhuumaha birta ah ee Shiinaha, Octal Pipe waxa loo dejiyay in lagu sii daayo tuubooyin aan wasakh lahayn oo leh kontaroolo ay iibsadayaashu xisaabin karaan mashaariicda dhabta ah{0}gaar ahaan xidhmooyinka isku dhafan{1}halkaas oo 304L iyo316L tuubo bir ah oo aan lahaynlooma ogolaan karo in laga gudbo.

Warshadayada{0}}meelaha kantaroolka dhinaca sida caadiga ah waxaa ka mid ah:

• Xaqiijinta PMI/chemistry (marka loo baahdo):waxay ka hortagtaa khaladka- isku darka darajada{1}, khatarta helida guud ee 304L/316L.
• Xakamaynta cabbirka:OD/WT, ovality, toosan -kuwani waxay go'aamiyaan ku haboonaanta{1}xawaaraha sareynta horudhacyada iyo orodka dheer
• Xaqiijinta tollaynta alxanka (tuubada alxanka leh):Dhaqdhaqaaqa wax soo saarka sida 316L tuubooyinka birta ah, waxaanu qufulnaa cabbirada alxanka (daaqadda gelinta kulaylka, xawaaraha safarka, daboolida gaashaanka) waxaanu la soconaa xasiloonida tolida iyadoo - la socodka khadka; profile ul alxanka waxaa lagu kantaroolaa in saldhigga aqbalida mashruuca (caadi ahaan waxaa lagu qeexaa sida xadka dhererka kuul / hoos gooyay iyo alignment sida shaqada dhumucda derbiga), iyo gacanta kuul gudaha waxaa la maareeyaa halka loo baahan yahay si ay u ilaaliso dhalidda joogto ah si ay u abuuraan iyo adeegga socodka.
• Anshaxa xaalada dusha sare:shurudaha qashin-qaadista/dhaqdhaqaaqa iyo nadaafadda ee lagu qeexay si looga fogaado "waxay u egtahay OK, ku guuldareysatey adeegga/gudbinta" yaababka.
• Dhoofinta baakadaha & khariidaynta sii daynta:WaayoDhuumaha birta ah ee Shiinahasahayda, khataraha mashruuca guud waa isku darka darajada{0}kor u kaca, burburka dusha sare, iyo daahitaanka sii daynta helitaanka Octal Pipe waxa ay ku yaraynaysaa tan calaamadaynta cad, ilaalinta dhamaadka, xidhmo/ikhtiyaarada xidhidhiyaha, iyo wax badan{2}} xidhmo sii dayn ku salaysan oo khariidadocalaamadaynta tuubooyinka → MTC → diiwaannada kormeerka. Natiijadu waa sahlan tahay: sheegasho yar, wareegyada hubinta oo yaraada, iyo sii daynta bakhaarka degdega ah{2}maxaa yeelay dhuumaha waxa ay u timaadaa hab la xakameeyey, ee maaha raxan alaab.

Tani waa sababta iibsadayaal badan u raadinayaansoo saaraha tuubooyinka birta ahamaWarshada dhuumaha birta ahgudahaDhuumaha birta ah ee Shiinahaaad uga taxadarto sheegashooyinka guud iyo in badan oo ku saabsan in alaab-qeybiyuhu si joogto ah u keeni karo isla natiijada: darajada saxda ah (ay ku jirto316L tuubo bir ah oo aan lahayn), cabbirada saxda ah, dusha saxda ah, iyo caddaynta hubinta saxda ah -iyada oo aan dib looga shaqaynin helitaanka.

Sida Soosaaraha Dhuumaha birta ah, Octal pipe wuxuu sii daayaa tuubo aan wasakh lahayn oo leh cabbiro wax soo saar la kontaroolay, hufnaanta tolnimada la xaqiijiyay (meesha lagu dabaqi karo), iyo diiwaannada kormeerka ee la raadin karo.

1.Dhul la'aan (SMLS)

• Habka: Kuleylinta Billet → Dulitaanka → Wareegid → Cabbirka → Xallinta Annealing → Qaadista → Tijaabinta.
• Faa'iidada: Ma jiro tol alxan, lagu kalsoonaan karo -cadaadiska sare iyo adeegga muhiimka ah.

2. Welded (ERW/EFW)

• Habka: Faleemo ama saxan samaynta → alxanka dhererka/spiraal → nuugista xalalka → Cabbirka → toosinta.
• Hababka alxanka: ERW/HFI, TIG/GTAW, SAW, EFW ku xidhan OD/WT.
• Faa'iidada: Qiimaha - wax ku ool ah, helitaan cabbir ballaaran, ikhtiyaarada fayadhowrka leh ee ka saarista birta.

3. Qabow aad u daran oo la shaqeeyay (HCW)

• Habka: Dhimista qabow ee tuubada alxanka leh + annealing.
• Faa'iidada: Xoog kordhay, dulqaad adag, dhammayn siman.

4.Daawaynta kulaylka & Dusha sare

• Xalka Annealing: 1050-1150 digrii degdeg ah.
• Ikhtiyaarada dusha sare: la miiray oo la miiray, la shiiday oo dhalaalaysa, satin{0}oo la sifayn, muraayad{1}oo la sifayn.

5.Xakamaynta tayada

• Baaritaanka Hydrostatic, Eddy Current/UT, Radiography on toll & body.
• Tijaabada makaanikada: Xasilloonida, dhalid, qallafsanaanta, fidsan/dhalaaca.
• Tijaabooyinka daxalka ee ikhtiyaarka ah: ASTM A262 (IGC), ASTM G48 (god).

Marka iibsadaha iloDhuumaha birta ah ee Shiinaha, Khatarta dhabta ahi maaha "mashiinku ma samayn karo wasakh"-waa in alaab-qeybiyaha uu awoodoheerka haysashada + cabbirka + xaaladda dushasi joogto ah dhammaan xirmo dhan. Octal Pipe barnaamijkeeda aan fiicnayn waxa lagu dhisay xaqiiqadaas: tuubooyinka aan xidhnayn ee kala duwanaanshaha OD ee adag iyo dusha la kontoroolo, oo lagu daray tuubo alxanka leh ee dhexroorka waaweyn, oo dhamaantood laga sii daayay dariiq warshadeed oo isku darsan duubista/ sawirida, daaweynta kulaylka, toosinta, iyo qaadista hal xariiq.

Waxa ay tani ka dhigan tahay PO dhabta ah waa mid fudud. Haddii mashruucu ku baaqayo316L tuubo bir ah oo aan lahayn(badanaa lagu qaso 304L/321 ama duplex), Octal Pipe waxay ilaalin kartaa xirmada nadiif ah iyadoo ka soo saaraysa daaqadaha OD ee caadiga ah{2}}Φ630 mmoo alxanka ilaaΦ2620 mm, oo dhumucdiisuna tahay darbiga caadiga ah1-35 mm-sidaa daraadeed cabirku kuma qasbo "workarounds" dhexda- xigasho. Dhinaca wax soo saarka, dariiqu waa qalab{3}}loo wado: a280 duuban oo duuban + diiray, markaassawir rogid/qabow qabow, oo ay ku xigtogaaska dabiiciga ah-iyopickingloogu talagalay qaboojinta dusha sare, iyo ugu dambeyntiitoosinka hor inta aan la sii deyn. Silsiladda nidaamkaasi waa ta taageerta ku habboonaanta{1} kor iyo dhaqanka been abuurka la saadaalin karo, ma aha oo keliya magaca darajada warqadda.

Heerarka iyo darajooyinka ayaa loo daboolay sida EPC-yadu dhab ahaantii u iibsadaan: tuubooyinka/tubooyinka caadiga ah ilaaASTM/ASME (A312/A213/A269; A789/A790), lagu darayEN (10216-5/10216-2), DIN (17456/17458), JIS (G3459/G3463), GOST (9941/5632), iyo GB (14975/14976, 13296, 5310, 9948). Helitaanka darajada sida caadiga ah waxaa ku jira qoysaska austenitic (TP304/304L, TP316/316L, TP321, TP347, TP310S, TP317L, 904L), duplex/super duplex (S31803/S32205/S32750) (N08825/N08904/N08028/N08800). Marka la soo koobo: asoo saaraha tuubooyinka birta ahkartida daboosha "warshad aan maalin walba lahayn" iyo daxalka{0}baakadaha muhiimka ah, oo leh dariiqa warshada tuubooyinka birta ah oo ilaalin karta wax soo saarka mid joogto ah dhexroorka iyo heerarka.

Hadda la xidhiidh

FAQ

 

 

Q:304 vs 316L tuubooyinka birta ah - kee baan cadeeyaa?

J: Haddii khadku arki doonochlorides(biyo qaboojin, dhaqid, hawo xeebeed, firidhsan brine),316/316Linta badan waa la cayimay sababtoo ah molybdenum waxay hagaajisaa iska caabinta godadka/weerarka goynta gudaha marka la barbar dhigo 304-taxane.316Lwaxaa inta badan la door bidaa spools alxanka si loo yareeyo khatarta dareenka alxanka ka dib.

Q:ASTM A312 vs ASTM A213 vs ASTM A{2}} waa maxay faraqa u dhexeeya (tuubada vs tuubada)?

A:Ka fakar "adeegga + qaabka alaabta":ASTM A312waa bilaa wasakhtuuboHeerkulka sare- iyo adeega daxalka guud (aan xidhnayn ama alxanka lahayn).ASTM A213waaaan kala go 'lahaynkululeeyaha/kuleyliyaha sare/kuleylka{0}} beddelkatuubooyinkaiyoASTM A269waa bilaa wasakhtuubo(aan kala lahayn ama welded) ee daxalka guud{0}}iska caabbinta, hooseeya/sare{1}}adeegga heerkulka

S:Bal bilaa bir ah vs alxanka tuubbada birta ah - sideen ku doortaa anigoon wax badan - cayimin?

A: Dooroaan kala go 'lahaynmarka shaqada ama qeexidu ay sii adkaato (cadaadiska sare / heerkulka, baaskiil wadida daran, ama "la'aan loo baahan yahay"). Dooroweldedmarka tafsiirku ogolaado oo mashruucu ka faa'iidaysto OD/WT xasiloon iyo helitaan{0}kabacdi xakamaynta khatarta adoo qeexayatollayn baaxadda NDT(UT/RT/ET per ITP) iyo shuruudaha xaalada dusha ee PO.

S: Sideen ugu qalmi karaa soo saaraha/warshad tuubooyinka birta ah ee Shiinaha ka hor inta aan la dhigin PO?

A: Weydiiso anEN 10204 3.1shahaado ku xidhan saamiga la keenay (natiijooyinka imtixaanka + bayaanka u hoggaansanaanta), oo u baahan raad raaccalaamadaynta tuubooyinka → MTC → diiwaannada kormeerka; ku dar PMI halka darajo -khatarta isku darka ah ay sareeyso (tusaale, 304L + 316 baakadaha L). Tani waa sida ugu dhaqsaha badan ee looga saaro -khatarta "tubka birta ah ee Shiinaha" lagana fogaado in la helo{7}} dib u dhacyada sii deynta

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OD:6 mm - 1200 mm

Dhumucda gidaarka0.3 - 50 mm (SCH 5S ilaa XXS)

Dhererka:6m, 12m, 20FT, 40FT, gooyay caadada

Dhammaad:Googo'an, bannaan, dunta lagu xidho

Dhamaystirka dusha sare:A/P, BA, dhalaalay, muraayad

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