Liphaephe tse Kholo tse Welded tse nang le Bophara bo Kholo

Liphaephe tse Welded tse nang le bophara bo boholo Setšoantšo se Hlahisitsoeng

Tlhaloso e Khutšoanyane:

Ho hlahisa liphaephe tsa rona tsa ho bokella lipeipi: tharollo bakeng sa litlhoko tsa hau tsa motheo

Qaqiso ea Sehlahisoa

Li-tag tsa Sehlahisoa

Lilemong tsa morao tjena, tlhoko ea liphaephe tsa tšepe tse bokellaneng liindastering tse fapaneng e eketsehile haholo. Ka kholo e potlakileng ea nts'etsopele ea kaho le meralo ea motheo, bophara ba phaephe ea ho bokellae ntse e hola le ho feta. Ka hona, tlhoko ea liqubu tsa liphaephe tsa tšepe tse bophara bo boholo tse kopantsoeng ka spiral e ba ea bohlokoa haholo.

Khamphaning ea rona, re hlokometse tlhoko ena e ntseng e hola 'me ra hlahisa tharollo e holimo ho fihlela litlhoko tsa' maraka - liqubu tsa rona tsa liphaephe tsa tšepe tse bophara bo boholo. Liphaephe tsena tse nang le liqubu li etselitsoe ho fana ka bokhoni ba mantlha ba ho jara mojaro oa li-terminal tsa metsi a tebileng, e leng se etsang hore e be karolo ea bohlokoa ea projeke efe kapa efe ea kaho ea likepe.

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.
	Mn Cr+Mo+V Cu+Ni4）CEV=C+6 + 5 + 5

Ea ronaliqubu tsa liphaephe tsa tšepe tse tjheseletsoeng ka spiralli etsoa ka ho sebelisa theknoloji ea morao-rao ho mamella tikoloho e thata ka ho fetisisa. Ebang ke kaho ea borokho, kaho ea litsela, mehaho e melelele kapa ts'ebeliso efe kapa efe e hlokang motheo o tšepahalang, liphaephe tsa rona tsa ho phuthela li loketse.

Se khethollang liphaephe tsa rona tsa ho bokella ke boleng ba tsona bo ikhethang le ho tšoarella. Re utloisisa bohlokoa ba motheo o tiileng le o tsitsitseng, ke ka lebaka leo re etsang boiteko bo boholo ho netefatsa hore liphaephe tsa rona tsa tšepe tse bophara bo boholo li fihlela maemo a holimo ka ho fetisisa a bokhabane. Ka kaho ea tsona e tiileng le theknoloji e tsoetseng pele ea ho tjheseletsa, liphaephe tsa rona tsa ho bokella li hahiloe hore li tšoarelle nako e telele, li u fa khotso ea kelello u tseba hore projeke ea hau e tšehelitsoe ke theknoloji e ntle ka ho fetisisa indastering.

Ho phaella moo, liphaephe tsa rona tsa ho bokella li fumaneha ka boholo bo fapaneng ho fihlela litlhoko tse ikhethang tsa projeke ea hau. Hore na o hloka phaephe e nang le bophara bo boholo bo boholo kapa boholo bo bonyenyane, re ka fana ka tharollo e phethahetseng ho latela litlhoko tsa hau.

Ho phaella moo, re motlotlo haholo ka boitlamo ba rona ba ho boloka tikoloho e tsitsitse. Liphaephe tsa rona tsa tšepe tse phuthetsoeng ka tšepe li etsoa ka mekhoa e sireletsang tikoloho, ho netefatsa hore ha li fihlelle maemo a boleng bo holimo feela empa hape li latela melao e thata ea tikoloho. Sena se bolela hore ha u khetha liphaephe tsa rona tsa ho bokella liphaephe, ha u tsetele tharollong ea motheo e tšepahalang le e tšoarellang feela, empa hape u kenya letsoho bokamosong bo botala le bo tsitsitseng haholoanyane.

Ka bokhutšoanyane, liphaephe tsa rona tsa ho bokella, ho kenyeletsoa le liphaephe tsa tšepe tse phuthetsoeng ka tšepe e spiral, ke mohlala o motle oa bokhabane indastering. Ka boleng ba tsona bo sa bapisoeng le letho, ho tšoarella le botsitso ba tikoloho, ke khetho e phethahetseng bakeng sa projeke efe kapa efe e hlokang motheo o tšepahalang. Ka hona, ha ho tluoa tabeng ea ho fihlela litlhoko tsa hau tsa phaephe ea ho bokella, k'hamphani ea rona ke khetho ea hau e ntle ka ho fetisisa. Re ikemiselitse ho u fa litharollo tse ntle ka ho fetisisa bakeng sa litlhoko tsohle tsa hau tsa mantlha.

E fetileng: Pipe e Welded ea Tšepe e Phahameng ea A252 ea Kereiti ea 3 e Koahetsoeng ka Arc ea Boleng bo Holimo

E 'ngoe: Sepeipi se Welded sa Arc Spiral se koahetsoeng ka metsing bakeng sa mela ea khase

Ngola molaetsa oa hau mona 'me u o romelle ho rona