Ho Weld Tube ka Tshebetso e Tšepahalang

Tlhaloso e Khutšoanyane:

Theknoloji ena e sebelisa mocheso o phahameng ho theha tlamo e matla le e tšoarellang pakeng tsa liphaephe, ho netefatsa hore lihlahisoa tsa rona li fana ka ts'ebetso e tšepahalang esita le libakeng tse thata ka ho fetisisa. Ebang u indastering ea khase ea tlhaho kapa u hloka litharollo tse tšepahalang tsa liphaephe bakeng sa lits'ebetso tse ling, liphaephe tsa rona li tla fihlela le ho feta litebello tsa hau.

Romella imeile ho rona

Qaqiso ea Sehlahisoa

Li-tag tsa Sehlahisoa

E tloaelehileng	Sehlopha sa tšepe	Sebopeho sa lik'hemik'hale									Matlo a ho thapolla							Teko ea Tšusumetso ea Charpy le Teko ea ho lahla boima ba 'mele
		C	Si	Mn	P	S	V	Nb	Ti		CEV4)（%）	Matla a tlhahiso ea Rt0.5 Mpa		Matla a Tensile a Rm Mpa		Rt0.5/ Rm	（L0=5.65 √ S0）Ho lelefatsa A%
		boholo	boholo	boholo	boholo	boholo	boholo	boholo	boholo	Tse ling	boholo	motsotso	boholo	motsotso	boholo	boholo	motsotso
	L245MB	0.22	0.45	1.2	0.025	0.15	0.05	0.05	0.04	1)	0.4	245	450	415	760	0.93	22	Teko ea tšusumetso ea Charpy: Matla a monyang tšusumetso ea 'mele oa phaephe le seam ea weld a tla lekoa joalo ka ha ho hlokahala tekanyetsong ea pele. Bakeng sa lintlha tse qaqileng, sheba tekanyetso ea pele. Teko ea ho taboha ha boima ba lerotholi: Sebaka sa ho kuta se khethiloeng
GB/T9711-2011（PSL2）	L290MB	0.22	0.45	1.3	0.025	0.015	0.05	0.05	0.04	1)	0.4	290	495	415			21
	L320MB	0.22	0.45	1.3	0.025	0.015	0.05	0.05	0.04	1)	0.41	320	500	430			21
	L360MB	0.22	0.45	1.4	0.025	0.015				1)	0.41	360	530	460			20
	L390MB	0.22	0.45	1.4	0.025	0.15				1)	0.41	390	545	490			20
	L415MB	0.12	0.45	1.6	0.025	0.015				1)2)3	0.42	415	565	520			18
	L450MB	0.12	0.45	1.6	0.025	0.015				1)2)3	0.43	450	600	535			18
	L485MB	0.12	0.45	1.7	0.025	0.015				1)2)3	0.43	485	635	570			18
	L555MB	0.12	0.45	1.85	0.025	0.015				1)2)3	Puisano	555	705	625	825	0.95	18
	Hlokomela:
	1）0.015 ≤ Altot ＜ 0.060;N ≤ 0.012;AI—N ≥ 2—1;Cu ≤ 0.25;Ni ≤ 0.30;Cr ≤ 0.30；Mo ≤ 0.10;
	2）V+Nb+Ti ≤ 0.015%
	3）Bakeng sa mekgahlelo yohle ya tshepe, Mo e ka ba ≤ 0.35%, tlasa konteraka.
	4）CEV=C+ Mn/6 + (Cr+Mo+V)/5 + (Cu+Ni)/5

Melemo ea Khamphani

Feme ea rona e Cangzhou, Profinseng ea Hebei, 'me re bile ka pele ho hlahiseng liphaephe tsa tšepe tsa boleng bo holimo ho tloha ha re thehoa ka 1993. Feme ea rona e akaretsa sebaka sa lisekoere-mithara tse 350,000, ka thepa eohle ea RMB limilione tse 680, e ka hlahisa lithane tse 400,000 tsa liphaephe tsa tšepe tse potolohang ka selemo, 'me e na le litsebi tse 680 tse nang le boiphihlelo.

Selelekela sa Sehlahisoa

Boitlamo ba rona ba ho etsa bokhabane bo bonahala ts'ebetsong ea rona ea ho tjheseletsa arc ka hloko, e leng mohato oa bohlokoa tlhahisong ea phaephe ea rona e tjheseletsoeng ka spiral. Theknoloji ena e sebelisa mocheso o phahameng ho theha tlamo e matla le e tšoarellang pakeng tsa liphaephe, ho netefatsa hore lihlahisoa tsa rona li fana ka ts'ebetso e tšepahalang esita le libakeng tse thata ka ho fetisisa. Ebang u indastering ea khase ea tlhaho kapa u hloka litharollo tse tšepahalang tsa liphaephe bakeng sa lits'ebetso tse ling, liphaephe tsa rona li tla fihlela le ho feta litebello tsa hau.

Ka ho tsepamisa maikutlo boleng le boqapi, re motlotlo ka ho fana ka li-weld tsa liphaephe tse netefatsang ts'ebetso e tšoarellang nako e telele. Hase feela hore tsa rona li na lephala e tjheseletsoeng ka spiralLi matla ebile lia tšoarella, li boetse li sebetsa hantle haholo, e leng se etsang hore li be ntle bakeng sa merero e hlokang ho tšepahala le ho tšoarella.

Tšobotsi e ka sehloohong

E 'ngoe ea likarolo tsa bohlokoa tsa ho tjheseletsa lipeipi ke ho itšetleha ha eona ka ho tjheseletsa lipeipi, mokhoa o sebelisang mocheso o phahameng ho theha likamano tse matla le tse tšoarellang pakeng tsa lipeipi tsa tšepe. Ts'ebetso ena e bohlokoa ho netefatsa botšepehi le botšepehi ba sehlahisoa sa ho qetela, haholo-holo lits'ebetsong moo polokeho le ts'ebetso li leng bohlokoa, joalo ka lipalangoang tsa khase ea tlhaho.

Mokhoa oa ho tjheseletsa arc o kenyelletsa ho qhibilihisa mathoko a phaephe le ho a kopanya, ho theha khokahano e se nang sekoli e ka mamellang khatello e phahameng le maemo a feteletseng. Mokhoa ona ha o eketse matla a phaephe feela, empa hape o eketsa nako ea ts'ebeletso ea ona, e leng se etsang hore e be khetho e ratoang bakeng sa mefuta e fapaneng ea lits'ebetso tsa indasteri.

Ho phaella moo, ho nepahala le boiphihlelo bo hlokahalang bakeng sa ho tjheseletsa liphaephe le hona ho bonts'a boitlamo ba k'hamphani ho boleng. Ka ho tsetela theknolojing e tsoetseng pele le basebetsi ba nang le boiphihlelo, fektheri ea Cangzhou e netefatsa hore phaephe e 'ngoe le e 'ngoe e tjheseletsang ka spiral e fihlela maemo a thata a indasteri, e fa bareki khotso ea kelello le kholiseho sehlahisoa.

Molemo oa Sehlahisoa

E 'ngoe ea melemo ea bohlokoa ea ho tjheseletsa lipeipi ke bokhoni ba eona ba ho hlahisa manonyeletso a matla a ka mamellang khatello e phahameng le maemo a feteletseng. Sena se bohlokoa haholo indastering ea khase ea tlhaho, moo botšepehi ba lipeipi bo leng bohlokoa haholo. Ts'ebetso ea ho tjheseletsa lipeipi e netefatsa horeho tjheseletsa tubeHa e matla feela empa hape e tsitsitse, e leng se fokotsang kotsi ea ho lutla le ho hloleha. Ho phaella moo, katleho ea ho tjheseletsa lipeipi e lumella bahlahisi ho hlahisa kapele palo e kholo ea lipeipi tsa tšepe tse potolohang ho fihlela tlhoko e ntseng e hola ea 'maraka.

Bofokoli ba Sehlahisoa

Ts'ebetso ena e hloka basebetsi ba nang le boiphihlelo le taolo e nepahetseng ea liparamente tsa ho tjheseletsa ho qoba liphoso tse kang masoba kapa ho hloka ho kopana. Mathata ana a ka beha boleng ba sehlahisoa sa ho qetela kotsing 'me a lebisa likotsing tse ka bang teng tsa polokeho.

Ho phaella moo, dithempereichara tse phahameng tsa ho tjheseletsa arc di ka hlahisa kgatello e setseng thepa, e leng se ka amang tshebetso ya nako e telele ya phaephe.

Lipotso Tse Botsoang Khafetsa

P1: Ho tjheseletsa arc ke eng?

Ho tjheseletsa arc ke mokhoa o sebedisang dithempereichara tse phahameng tse hlahiswang ke arc ya motlakase ho qhibilihisa le ho kopanya masela a tshepe mmoho. Bakeng sa phaephe e tjheseletsang ka lebelo le phahameng, mokgwa ona o bohlokwa ho theha kgokelo e matla pakeng tsa diphaephe, e leng sa bohlokwa tshebetsong le bophelong ba phaephe.

P2: Ke hobane'ng ha ho tjheseletsa arc ho le bohlokoa bakeng sa liphaephe tsa khase ea tlhaho?

Liphaephe tsa khase ea tlhaho li tlameha ho fihlela maemo a thata a polokeho le a ts'epahalang. Ts'ebetso ea ho tjheseletsa arc e netefatsa hore manonyeletso a ho tjheseletsa a ka mamella khatello e phahameng le ho hanela mafome, e leng se etsang hore e be sebaka se loketseng ho tsamaisa khase ea tlhaho libakeng tse telele.

P3: Khamphani ea hau e hokae?

Feme ea rona e Cangzhou, Profinseng ea Hebei, sebaka se tsebahalang ka matla a eona a indasteri. Khamphani ea rona e thehiloe ka 1993 'me e holile haholo ho koahela sebaka sa lisekoere-mithara tse 350,000 le ho hira basebetsi ba inehetseng ba 680.

P4: Bokgoni ba hao ba tlhahiso ke bofe?

Re motlotlo ho hlahisa lithane tse 400,000 tsa phaephe ea tšepe e potolohang ka selemo. Palo ena e tsotehang ea tlhahiso ke bopaki ba boitlamo ba rona ba boleng le katleho ts'ebetsong ea rona ea tlhahiso.

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