Bophara bo boholo ba lipere tse halikiloeng tsa li-pipepe tsa tšepe tsa tšepe

Bophara bo boholo ba lipere tse halikiloeng tsa peiped pepes

Tlhaloso e khutšoane:

Re thabetse ho bolela lipekere tsa rona tsa tšepe tse entsoeng ka lijalo, tse etselitsoeng ho fana ka mokhoa o motle lits'ebetsong tse fapaneng, haholo-holo li-cofferdams. Mathali ana a hlahisa moralo o koahelang ka letsoho kapa a chitja bakeng sa matla a sa laoleheng le ho tšoarella, ho a tšela ka katleho le ho thibela ho kenella ha metsi, mobu le lehlabathe.

Romella lengolo-tsoibila ho rona

Lintlha tsa sehlahisoa

Li-tag tsa lihlahisoa

Lifaele tsa tšepe tsa tšepeli entsoe ka thepa ea boleng bo holimo le mahlale a tsoetseng pele, a etsa hore a tšepahale haholo bakeng sa mosebetsi o fe kapa o mong. Lifate tsena li sebelisoa hangata ho cofferddams le moralo oa tsona o matla oa sebopeho se tiisa hore polokeho le botsitso li hloka metheo le mesebetsi e meng ea meaho ea meaho.

Tloaelo	Sehlopha sa tšepe	Li-combants tsa lik'hemik'hale (%)						Thepa ea Tense						Charpy (V notch) Tlhahlobo ea tšusumetso
		c	Mn	p	s	Si	Tse ling	Ho hlahisa Matla (MPA)		Matla a tšepe (MPA)		(L0 = 5.65 √ s0) Min ho otlolla maikutlo (%)
		Max	Max	Max	Max	Max	Tse ling	min	Max	min	Max	D ≤ 168.33mmmmmm	D> 168.3mm
GB / t3091 -2008	Q215a	≤ 0.15	0.25 <1.20	0.045	0.050	0.35	Ho eketsa NB \ TI 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		Boikhethelo ba eketsa e 'ngoe ea NB \ V \ TI Local kapa motsoako ofe kapa ofe oa tsona	175		310		27		E le 'ngoe kapa tse peli tsa ho bala Ho ka khethoa matla le sebaka sa ho kuta. Bakeng sa L555, bona Tekanyetso.
	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 sehlopha sa B Steels, Nb + v ≤ 0.03%; bakeng sa mophato oa tšepe ≥ motsoako, le nb + v Ti ≤ 0.15%	172		310		(L0 = 50.8mm) ho ba e baloa ho latela mokhoa o latelang: e = 1944 · bo -4 .2 / U0 .0 A: Sebaka sa sampole ho MM2 U: Methapo e hlalositsoeng e nyane ho MPA		Ha ho na letho kapa efe kapa efe kapa ka bobeli ba tšusumetso matla le ho thothomela sebaka se hlokahala e le mokhoa o thata.
	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

Ronaplaeme e kholo ea weldsNa mokokotlo oa lipompo tsena tsa tšepe tsa tšepe, ho ntlafatsa ts'ebetso ea tsona le ts'ebetso ea tsona. Ka lits'ebetso tsa tlhokomelo ea meriti le boleng ba boleng bo botle, re netefatsa hore pla e fumana maemo a phahameng a indasteri. Lirapa tsena li fana ka maemo a ikhethileng a ho fetoha le ho feto-fetoha le maemo le ho tšoarella, ho lumella batho ba fuoeng lipeipi tsa tšepe ho mamella maemo a feteletseng le tikolohong e mpe.

Joaloka moetsi oa ho phethahalletse oa indasteri, Cangzhou Speel Pipes Group Co Brozi, Ltd. e na le setsi sa atter-a-appar se koahelang sebaka sa lisekoere tse fetang 350,000. Ka boleng bo holimo ba yuan ho fihlela ho la limilione tse 680, re tsetela theknoloji ea pherekano le lisebelisoa ho netefatsa tlhahiso e phahameng ka ho fetisisa ea boleng bo holimo. Ho feta moo, basebetsi ba rona ba neng ba inehetse ba basebetsi ba 680 ba tiisa hore sehlahisoa se seng le se seng se setala se hlophisehileng pele se fihla matsohong a bareki ba rona ba bohlokoa.

For ea rona e na le tlhahiso ea selemo le selemo ea lipeipi tsa tšepe tsa tšepe tsa spiral tšepe le boleng ba yuan tse 1,8. Bohleto ena e bontša boitlamo ba rona ba ho isa litšebeletso tsa tšebeletso le ho hohela litlhoko tsa rona tsa bohlokoa tsa moo le lefatše.

Lifaele tsa tšepe tsa tšepeE kopantsoe le lipepe tse kholo tse nang le bofubelu bo boholo ho fana ka botsitso bo botle, bo etsa hore ba tšoanele lits'ebetso tse fapaneng. Ntle le li-cofferdams, meqhaka ea rona e sebelisoa haholo kahong ea borokho, merusu ea boema-kepe le merero e meng ea metsing. Moralo o ikhethileng kapa o pota-potiloeng oa meqosi ena o tiisa metsi a lekaneng le ho boloka mobu ha u ntse u fana ka foreimi e matla ea sebopeho.

Boitlamo ba k'hamphani ea rona ho boleng, botsebi le khotsofalo ea bareki li re etsa hore re ntlafatse mekhoa ea rona ea ho etsa le ho ntlafatsa tharollo e ntlafalitsoeng. Re latela melao ea taolo ea boleng bo matla ho netefatsa hore lihlahisoa tsa rona ke tsa boleng bo holimo le ho kopana kapa ho feta litebello tsa hau.

Ka kakaretso,Lithako tsa tšepe tsa tšepeba fetolela indasteri ea kaho e nang le matla le ho tšoarella ha polasetiki ea rona e kholo ea tsoekere. Ka bokhoni ba bona ba ho bona maemo a thata le tšebeliso ea bona e khethehileng ho CarFFERDAMS, LITSELA TSE BONANG HO SEBELISANG LE TLHOKOMELISO. Molekane le Cangzhou Spipes Steel Pipes Croup Comple Co, Ltd. Ho fumana lihlahisoa tsa boleng bo holimo tse ntlafatsang merero ea hau le ho fana ka tharollo ea nako e telele.

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