Melemo ea Liphaephe tsa Tšepe tsa Sehlopha sa 3 tsa A252 tse Sebelisoang Kahong ea Liphaephe tsa Likhoerekhoere le Petroleum

Melemo ea Liphaephe tsa Tšepe tsa Sehlopha sa 3 tsa A252 tse Sebelisitsoeng Kahong ea Liphaephe tsa Likhoerekhoere le Petroleum Setšoantšo se Hlahisitsoeng

Tlhaloso e Khutšoanyane:

Phaephe ea tšepe ea A252 Kereiti ea 3, e tsejoang hape e lephaephe ea arc e qoelitsoeng ka hare ho spiral, ke khetho e tsebahalang bakeng sa kaho ea liphaephe tsa likhoerekhoere le oli. Liphaephe tsena li etselitsoe ho mamella maemo a feteletseng 'me li fana ka melemo e mengata lits'ebetsong tsena.

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Qaqiso ea Sehlahisoa

Li-tag tsa Sehlahisoa

E 'ngoe ea melemo ea bohlokoa eaPhaephe ea tšepe ea A252 Kereiti ea 3 ke matla a eona a ikhethang le ho tšoarella. Liphaephe tsena li entsoe ka tšepe ea boleng bo holimo 'me li hanela mafome haholo, ho tsofala le ho tetebela. Sena se etsa hore li be ntle bakeng sa tšebeliso liphaepheng tsa likhoerekhoere moo li ka pepesetsoang lintho tse senyang le meroalo e boima. Ho feta moo, matla a tsona le ho tšoarella ha tsona li etsa hore li lokele ho sebelisoa kahong ea liphaephe tsa oli, kaha li tlameha ho mamella khatello e phahameng le maemo a fetohang a tikoloho.

E tloaelehileng	Kereiti ea Tšepe	Likarolo tsa Lik'hemik'hale (%)						Thepa e Tenyetsehang						Charpy(Sekoti sa V) Teko ea Tšusumetso
		c	Mn	p	s	Si	Tse ling	Matla a Tekanyo(Mpa)		Matla a tšepe(Mpa)		（L0=5.65 √ S0）Sekhahla sa ho Otlolla sa mets（%）
		boholo	boholo	boholo	boholo	boholo	Tse ling	motsotso	boholo	motsotso	boholo	D ≤ 168.33mm	D ＞ 168.3mm
GB/T3091 -2008	Q215A	≤ 0.15	0.25 ＜ 1.20	0.045	0.050	0.35	Ho eketsa NbVTi ho latela GB/T1591-94	215		335		15	> 31
	Q215B	≤ 0.15	0.25-0.55	0.045	0.045	0.035		215		335		15	> 31
	Q235A	≤ 0.22	0.30 ＜ 0.65	0.045	0.050	0.035		235		375		15	>26
	Q235B	≤ 0.20	0.30 ≤ 1.80	0.045	0.045	0.035		235		375		15	>26
	Q295A	0.16	0.80-1.50	0.045	0.045	0.55		295		390		13	>23
	Q295B	0.16	0.80-1.50	0.045	0.040	0.55		295		390		13	>23
	Q345A	0.20	1.00-1.60	0.045	0.045	0.55		345		510		13	>21
	Q345B	0.20	1.00-1.60	0.045	0.040	0.55		345		510		13	>21
GB/ T9711- 2011 (PSL1)	L175	0.21	0.60	0.030	0.030		Ho eketsa e 'ngoe ea likarolo tsa NbVTi kapa motsoako ofe kapa ofe oa tsona ka boikhethelo	175		310		27		E 'ngoe kapa tse peli tsa index ea boima ba matla a tšusumetso le sebaka sa ho kuta li ka khethoa. L555, sheba maemo a tloaelehileng.
	L210	0.22	0.90	0.030	0.030			210		335		25
	L245	0.26	1.20	0.030	0.030			245		415		21
	L290	0.26	1.30	0.030	0.030			290		415		21
	L320	0.26	1.40	0.030	0.030			320		435		20
	L360	0.26	1.40	0.030	0.030			360		460		19
	L390	0.26	1.40	0.030	0.030			390		390		18
	L415	0.26	1.40	0.030	0.030			415		520		17
	L450	0.26	1.45	0.030	0.030			450		535		17
	L485	0.26	1.65	0.030	0.030			485		570		16
API 5L (PSL 1)	A25	0.21	0.60	0.030	0.030		Bakeng sa tšepe ea sehlopha sa B, Nb+V ≤ 0.03%; bakeng sa tšepe ≥ sehlopha sa B, ho eketsa Nb kapa V kapa tsa bona ka boikhethelo motsoako, le Nb+V+Ti ≤ 0.15%	172		310		(L0 = 50.8mm) ho ba e baloang ho latela foromo e latelang: e=1944·A0 .2/U0 .0 A: Sebaka sa sampole ka mm2 U: Matla a fokolang a ho thaepa a boletsoeng ka Mpa		Ha ho letho kapa leha e le lefe kapa ka bobeli ba tšusumetso matla le ho kuta sebaka sea hlokahala e le tekanyetso ea ho tiea.
	A	0.22	0.90	0.030	0.030			207		331
	B	0.26	1.20	0.030	0.030			241		414
	X42	0.26	1.30	0.030	0.030			290		414
	X46	0.26	1.40	0.030	0.030			317		434
	X52	0.26	1.40	0.030	0.030			359		455
	X56	0.26	1.40	0.030	0.030			386		490
	X60	0.26	1.40	0.030	0.030			414		517
	X65	0.26	1.45	0.030	0.030			448		531
	X70	0.26	1.65	0.030	0.030			483		565

Molemo o mong oa phaephe ea tšepe ea A252 Grade 3 ke ho tenyetseha ha eona. Liphaephe tsena li fumaneha ka boholo le botenya bo fapaneng, e leng se etsang hore li lokele lits'ebetso tse fapaneng. Hore na ho hahoa phaephe e nyanemohala oa likhoerekhoerekapa mohala o moholo oa phaephe ea oli, phaephe ea tšepe ea A252 Grade 3 e ka fetoloa habonolo ho fihlela litlhoko tse itseng tsa projeke. Ho feta moo, liphaephe tsena li ka etsoa kaliphaephe tsa sebopeho tse nang le karolo e se nang letho, ho atolosa tšebeliso ea tsona mererong ea kaho.

Ntle le matla a eona le ho tenyetseha ha eona, phaephe ea tšepe ea A252 Grade 3 e boetse e tsebahala ka ho boloka litšenyehelo tsa eona hantle. Liphaephe tsena li bonolo ho li kenya 'me li hloka tlhokomelo e fokolang, e leng se fokotsang litšenyehelo tsa projeke ka kakaretso. Ho feta moo, bophelo ba tsona ba tšebeletso e telele le ho hanyetsa mafome li netefatsa hore li fana ka puseletso e matla ho tsetelo bakeng sa likhoerekhoere lephaephe ea oli molamerero ea kaho.

Molemo o mong o moholo oa phaephe ea tšepe ea A252 Grade 3 ke hore e lumellana le mekhoa e fapaneng ea kaho. Liphaephe tsena li ka kenngoa ka mekhoa ea setso ea ho cheka kapa mekhoa e se nang liforo tse kang ho cheka ka tsela e otlolohileng, ho kenya liphaephe ka har'a lithapo tse nyane kapa ho kenya lithapo tse nyane. Ho tenyetseha hona ho lumella ho kenngoa ka katleho le ka theko e tlase libakeng tse fapaneng tse thata, ho kenyeletsoa libaka tsa litoropo, litsela tsa metsi le libaka tse amehang tikolohong.

Ka kakaretso, phaephe ea tšepe ea A252 Grade 3 e fana ka melemo e fapaneng bakeng sa kaho ea liphaephe tsa likhoerekhoere le peterole. Matla a tsona, ho tšoarella, ho tenyetseha le ho boloka litšenyehelo li etsa hore li be molemo bakeng sa lits'ebetso tsena tse boima. Ebang li sebelisoa kaho ea liphaephe tsa likhoerekhoere kapa tsa oli, liphaephe tsena li fana ka ts'ebetso e tšepahalang le boleng ba nako e telele. Ka lebaka leo, li lula e le tharollo ea khetho bakeng sa baenjiniere le borakonteraka ba batlang litharollo tsa liphaephe tse tšoarellang le tse tšepahalang.

E fetileng: Liphaephe tse welded ka spiral bakeng sa Mohala oa Khase ea Tlhaho o ka Tlas'a Lefatše

E 'ngoe: Melemo ea ho Sebelisa Liphaephe tsa Tšepe ea Khabone e Welded Spiral

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