SAWH Comprehensive Guide To Tube: A252 Grade 1 Pipe ea tšepe bakeng sa Likopo tsa Oli le Khase

SAWH Comprehensive Guide To Tube: A252 Grade 1 Pipe ea tšepe bakeng sa Oli le Gas Application

Tlhaloso e Khutšoanyane:

SAWH (Submerged Arc Welded Spiral) pipe e sebelisoa haholo indastering ea oli le khase ka lebaka la matla a eona a phahameng le ho tšoarella nako e telele.Ka blog ena, re tla hlahloba likarolo tsa bohlokoa le melemo eaPipe ea tšepe ea A252 Sehlopha sa 1 e sebelisoang hangata lits'ebetsong tsa oli le khase.Qetellong, o tla ba le kutloisiso e felletseng ea liphaephe tsa SAWH le bohlokoa ba tsona indastering.

Re romelle lengolo-tsoibila

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

1. Utloisisa peipi ea SAWH:

SAWH lipeipili entsoe ka lipoleiti tsa tšepe tse hlophisitsoeng ka moea.Maqephe a entsoe ka li-tubes 'me a chesetsoe ka mokhoa o ka tlas'a metsi oa arc welding.Mokhoa ona oa ho tjheseletsa o tiisa hore ho na le weld e matla, e tsoelang pele ho pholletsa le bolelele bohle ba phala, e etsa hore e be e hanyetsanang haholo le maemo a khatello ea ka ntle a kang tšusumetso le khatello.Liphaephe tsena li tsebahala ka bokhoni ba tsona bo ikhethang ba ho jara thepa le bokhabane ba sebopeho, e leng se etsang hore e be tse loketseng ho tsamaisa oli le khase.

2. Peipi ea tšepe ea A252 ea sehlopha sa 1:

A252 GRADE 1 ke tlhaloso bakeng sa phala ea tšepe ea sebopeho e etselitsoeng ka ho khetheha lits'ebetso tsa khatello.Liphaephe tsena li entsoe ka tšepe ea A252, e nang le thepa e ntle haholo ea mochini le matla a phahameng a tsitsipano.Pipe ea tšepe ea A252 GRADE 1 e sebelisoa haholo bakeng sa bokhoni ba eona ba ho mamella likhatello tse phahameng le ho hanela ho bola le ho senyeha ha maemo a thata a oli le khase.

Thepa ea Mechini

tšepe kereiti	bonyane matla a tlhahiso Mpa		Matla a tšepe		Bonyane bo bolelele %	Matla a fokolang a ts'usumetso J
tšepe kereiti	Botenya bo boletsoeng mm		Botenya bo boletsoeng mm		Botenya bo boletsoeng mm	ka mocheso oa teko ea
	＜16	~16≤40	＜3	≥3≤40	≤40	-20 ℃	0℃	20 ℃
S235JRH	235	225	360-510	360-510	24	-	-	27
S275J0H	275	265	430-580	410-560	20	-	27	-
S275J2H	275	265	430-580	410-560	20	27	-	-
S355J0H	365	345	510-680	470-630	20	-	27	-
S355J2H						27	-	-
S355K2H						40	-	-

3. Melemo ea phala ea tšepe ea A252 grade 1:

a) Matla le ho tšoarella:phala ea tšepe ea A252 GRADE 1e matla ebile e tšoarella, e khona ho mamella meroalo e boima ebile e loketse lits'ebetso tsa phetisetso ea oli le khase.Matla a bona a matla a phahameng a tiisa ho tšoarella ha nako e telele le ho fokotsa litlhoko tsa tlhokomelo.

b) Ho hanyetsa ho bola: Lipeipi tsa oli le khase li na le monyetla oa ho bola ka lebaka la maemo a thata a tikoloho.Peipi ea tšepe ea A252 GRADE 1 e na le lesela le eketsehileng le thibelang ho bola, joalo ka epoxy e kopantsoeng le fused-bonded (FBE), ho matlafatsa ho tšoarella ha eona le ho lelefatsa bophelo ba eona ba ts'ebeletso.

c) Ho feto-fetoha ha maemo: liphaephe tsa SAWH li ka etsoa ka mefuta e sa tšoaneng ea bophara le bolelele ho finyella litlhoko tse khethehileng tsa morero.Ho feto-fetoha ha maemo ho thusa ho kenya ntle le tlhokahalo ea manonyeletso a mangata, ho fokotsa kotsi ea ho lutla.

d) Ho boloka litšenyehelo: Pipe ea tšepe ea A252 Grade 1 e fana ka tharollo e theko e tlaase bakeng sa lipeipi tsa oli le khase.Bophelo ba bona ba nako e telele ea tšebeletso le litlhoko tse tlaase tsa tlhokomelo li fokotsa litšenyehelo tsa ho sebetsa ha nako e ntse e ea.

Sebopeho sa Lik'hemik'hale

Kereiti ea tšepe		Mofuta oa de-oxidation a	% ka boima, boholo
Lebitso la tšepe	Nomoro ea tšepe	C	C	Si	Mn	P	S	Nb
S235JRH	1.0039	FF	0,17	-	1,40	0,040	0,040	0.009
S275J0H	1.0149	FF	0,20	-	1,50	0,035	0,035	0,009
S275J2H	1.0138	FF	0,20	-	1,50	0,030	0,030	-
S355J0H	1.0547	FF	0,22	0,55	1,60	0,035	0,035	0,009
S355J2H	1.0576	FF	0,22	0,55	1,60	0,030	0,030	-
S355K2H	1.0512	FF	0,22	0,55	1,60	0,030	0,030	-
a.Mokhoa oa deoxidation o khethiloe ka tsela e latelang: FF: Tšepe e bolailoeng ka ho feletseng e nang le likarolo tse tlamang tsa nitrogen ka bongata bo lekaneng ho kopanya naetrojene e fumanehang (mohlala, min. 0,020 % kakaretso ea Al kapa 0,015 % e qhibilihang Al). b.Theko e phahameng ea naetrojene ha e sebetse haeba motsoako oa lik'hemik'hale o bontša bonyane kakaretso ea Al content ea 0,020 % ka tekanyo ea bonyane ea Al/N ea 2:1, kapa haeba likarolo tse ling tse lekaneng tsa N-binding li le teng.Lintlha tse tlamang N li tla tlalehoa Tokomaneng ea Tlhahlobo.

4. Ho sebelisoa ha pipe ea tšepe ea A252 grade 1:

Pipe ea tšepe ea A252 Grade 1 e na le mefuta e mengata ea ts'ebeliso indastering ea oli le khase, ho kenyelletsa:

a) Lipeipi tsa phetiso: tse sebelisetsoang ho tsamaisa oli e tala, khase ea tlhaho le lihlahisoa tse ling tsa peterole ho tloha libakeng tsa tlhahiso ho ea libakeng tsa tlhoekiso le lits'ebeletso tsa phepelo.

b) Ho Epa ka Ntle ho Maoatle: Lipeipi tsa SAWH li sebelisoa mesebetsing ea ho cheka oli le khase mose ho maoatle.Ho hanyetsa ho bola ha tsona le matla a khatello e phahameng li li etsa hore li tšoanelehe bakeng sa lipatlisiso tse tebileng tsa leoatle.

c) Ho hloekisa: Lipeipi tsa tšepe tsa A252 GRADE 1 li sebelisoa haholo libakeng tsa ho hloekisoa ho tsamaisa oli e tala le lihlahisoa tsa peterole.

Ha re phethela:

Lipeipi tsa SAWH, haholo lipeipi tsa tšepe tsa A252 GRADE 1, li phetha karolo ea bohlokoa hopeipi ea oli le khaseindasteri.Matla a tsona, ho tšoarella ha tsona, le ho hanyetsa kutu li etsa hore e be khetho e tšepahalang bakeng sa lits'ebetso tse fapaneng.Ho utloisisa melemo ea liphaephe tsa SAWH le litšobotsi tsa tsona tse khethehileng ho ka thusa ho netefatsa hore ho tsamaisoa ka katleho ha oli le khase ha ho ntse ho fokotsa litšenyehelo tsa tlhokomelo le ho eketsa katleho ea morero.

E fetileng: Spiral Submerged Arc Welded Pipe GB/T9711-2011 For Oil Pipe Line

E 'ngoe: Spiral Welded Steel Tubes Api Spec 5L For Gas Pipes

Ngola molaetsa wa hao mona mme o re romele wona