Muab kauv welded raj arc vuam ntawm ntuj roj kav

Muab kauv welded raj arc vuam ntawm ntuj roj pipes featured duab

Cov lus piav qhia luv luv:

Arc vuam yog ib kauj ruam tseem ceeb hauv kev tsim khoom ntawmMuab Kauv Welded Tubes, tshwj xeebNkev Yeebs. Nws cuam tshuam nrog siv cov kev kub siab los ua tus muaj zog, ruaj khov ntawm cov kav dej ntawm cov kav dej, ua kom muaj kev txhim khu kev qha thiab ntev ntev. Hauv tsab xov xwm no, peb'll dhia dej rau hauv cov intricacies ntawm kauv welded arc welded ntuj yeeb thiab vim li cas nws'sa kev lag luam tseem ceeb ntawm cov raj xa dej.

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Khoom Ntawv

RauNkev Yeebs, Kev nyab xeeb thiab kev ntseeg tau yog qhov tseem ceeb. Arc vuam ua lub luag haujlwm tseem ceeb hauv kev ua kom cov kav dej no tuaj yeem tiv thaiv lawv lub neej ua haujlwm. Cov txheej txheem arc vuam cuam tshuam nrog kev siv hluav taws xob kom tsim kom muaj cua sov uas melts cov npoo ntawm cov kav dej thiab fuses lawv ua ke.

Lub hom phiaj	Qib hlau	Tshuaj Muaj Tshuaj									Cov Khoom Siv Tensile							Charpy Feem Cuam Tshuam thiab Ua kom yuag poob
		C	Si	Mn	P	S	V	Nb	Ti		CEV4) (%)	RT0.5 MPA Putt Zog		RM mpa tensile lub zog		RT0.5 / rm	(L0 = 5.65 √ √ s0) elongation%
		tus zuag	tus zuag	tus zuag	tus zuag	tus zuag	tus zuag	tus zuag	tus zuag	Lwm	tus zuag	lub min	tus zuag	lub min	tus zuag	tus zuag	lub min
	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	Charpy Kev Ntsuas: Qhov kev cuam tshuam nqus lub zog ntawm cov yeeb nkab lub cev thiab cov leeg weld yuav tsum raug sim raws li tus qauv qub. Rau cov ntsiab lus, saib tus qauv qub. Kev poob phaus muag: yeem shearing cheeb tsam
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	Kev sib hais	555	705	625	825	0.95	18
	Nco tseg:
	1) 0.015 ≤ lig <0.060; N ≤ 0.012; ni-≤ 0.30; mo ≤ 0,0
	2) v + nb + ti ≤ 0.015%
	3) Rau tag nrho cov qauv steel, mo yuav ≤ 0.35%, hauv ib daim ntawv cog lus.
	4) CEV = C + MN / 6 + (CR + MO + V) / 5 + (CU + NI) / 5

Ib qho ntawm cov ntsiab lus tseem ceeb los txiav txim siab thaum arc vuam kav roj yog hom kev siv vuam siv. RauMuab Kauv Welded Tubes, feem ntau siv txoj kev yog submerged arc vuam (pom) thev naus laus zis. Qhov no cuam tshuam nrog kev siv cov flux glux, uas tau nchuav hla thaj chaw vuam uas tiv thaiv oxidation thiab lwm yam paug los ntawm kev cuam tshuam rau Weld. Qhov no ua rau muaj kev zoo siab weld nrog qhov tsis xws luag.

Lwm qhov kev txiav txim siab tseem ceeb thaum arc vuam roj pipes yog xaiv weld filter cov khoom. Cov khoom siv ua tub lim yog siv los sau cov khoob lossis tsis xwm yeem hauv cov weld, tsim kom muaj zog thiab sib koom ua ke. Rau kauv welded kav, ib cov khoom muab ua ke yuav tsum tau siv uas tau siv nrog cov txheej txheem qib STEE thiab ib puag ncig uas cov raj xa hluav taws xob. Qhov no ua kom pom tseeb tias cov weld tuaj yeem tiv taus cov kev ntsuas thiab qhov kub ntawm cov roj ntsha.

Ntxiv nrog rau cov txheej txheem kev sib txawv ntawm arc vuam, nws tseem yog ib qho tseem ceeb kom xav txog kev tsim nyog thiab kev paub ntawm cov neeg tua pov tseg kev ua haujlwm. Arc vuam ntawm cov roj nkev yuav tsum muaj kev nkag siab zoo thiab kev nkag siab zoo ntawm cov kev sib tw thiab cov cai ntawm txoj haujlwm. Nws yog qhov tseem ceeb rau kev ua haujlwm nrog cov neeg Welders uas tau muaj pov thawj thiab muaj peev xwm tsim cov khoom siv zoo uas tau raws cov qauv kev lag luam uas muaj kev lag luam nruj.

Hauv kev xaus, muab kauv welded raj arc welded cov pa nkev yog qhov tseem ceeb tiv thaiv ntawm kev lag luam raj. Nws yuav tsum tau ua tib zoo xav txog vuam cov tswv yim, muab tub lim cov ntaub ntawv, thiab cov kev tsim nyog ntawm cov neeg tua pov tseg kev ua haujlwm. Los ntawm kev ua kom muaj txiaj ntsig cov ntsiab lus tau txais cov xim uas lawv tsim nyog, nws yuav ua tau los tsim cov pa roj hauv kev lag luam kom muaj kev nyab xeeb, kev ntseeg tau thiab kev ua tau ntev thiab ntev.

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Sau koj cov lus ntawm no thiab xa mus rau peb