Txhim kho cov kav dej phwj tuaj siv Kauv Submerged Arc Pipes (SSAW)

Lus piav qhia luv luv:

Ib feem ntawm European Standard no qhia txog cov txheej txheem kev xa khoom rau cov khoom txias tsim welded structural, hollow seem ntawm ncig, square lossis rectangular daim ntawv thiab siv rau cov qauv hollow seem tsim txias yam tsis muaj kev kho cua sov tom qab.

Cangzhou Spiral Steel Pipes Group Co., Ltd yog cov khoom siv hollow seem ntawm cov ntawv voj voog steel kav rau cov qauv.

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Qhia:

Ib qho kev lim dej zoo yog qhov tseem ceeb rau kev loj hlob thiab kev loj hlob ntawm txhua lub nroog.Nyob rau hauv kev tsim kho thiab txij nkawm ntawmdej phwjkabs, xaiv cov kav dej tsim nyog thiab cov txheej txheem installation yog qhov tseem ceeb heev.Kauv submerged arc kav (SSAW) tau dhau los ua kev txhim khu kev qha thiab raug nqi zoo rau cov kav dej phwj tuaj.Lub hom phiaj ntawm qhov blog no yog los tso lub teeb rau cov txiaj ntsig thiab kev siv ntawm kauv submerged arc welded yeeb nkab hauv kev txhim kho cov kav dej.

Mechanical Property

qib steel	yam tsawg kawg nkaus yield zog Mpa		Tensile zog		Tsawg kawg elongation %	Yam tsawg kawg nkaus lub zog J
qib steel	Specified thickness mm		Specified thickness mm		Specified thickness mm	ntawm qhov ntsuas kub ntawm
	16	＞ 16 ≤ 40	＜3	≥3≤40	≤ 40	-20 ℃	0 ℃	20 ℃
S235 JRH	235	225	360-510 : kuv	360-510 : kuv	24	-	-	27
S275J0H	275	265	430-580 : kuv	410-560 : kuv	20	-	27	-
S275J2H	275	265	430-580 : kuv	410-560 : kuv	20	27	-	-
S355J0H	365	345	510-680 : kuv	470-630 : kuv	20	-	27	-
S355J2H						27	-	-
S355K2H						40	-	-

Txheej txheem cej luam ntawm kauv submerged arc welded yeeb nkab:

Kauv submerged arc yeeb nkab, feem ntau hu ua kauv submerged arc welded yeeb nkab, yog tsim los ntawm dov kub dov hlau mus rau hauv ib tug kauv zoo thiab welding nws raws li weld seam siv cov submerged arc vuam txoj kev.Cov kav dej no muaj cov qib siab ntawm kev nruj, lub zog thiab kev tiv thaiv corrosion, ua rau lawv zoo tagnrho rau cov haujlwm tseem ceeb xws li cov kav dej phwj tuaj.

Qhov zoo ntawm SSAW yeeb nkab hauv kev siv dej phwj tuaj:

1. Durability: Kauv submerged arc welded kav yog ua los ntawm cov hlau zoo thiab muaj cov kav ntev zoo heev.Lawv muaj lub zog los tiv thaiv cov khoom hnyav thiab huab cua hauv av, ua kom lub neej ua haujlwm ntev rau cov kav dej phwj tuaj.

2. Corrosion tsis kam: Cov txheej txheem kub-dip galvanizing ntxiv ib txheej ntxiv ntawm kev tiv thaiv rau cov kauv submerged arc welded yeeb nkab, ua rau nws zoo heev corrosion-resistant.Cov cuab yeej no tseem ceeb heev rau cov kav dej phwj tuaj vim lawv feem ntau ntsib cov tshuaj lom neeg thiab ib puag ncig lom.

3. Leak-proof tsim: Cov kauv submerged arc welded yeeb nkab yog tsim los siv cov txheej txheem txuas txuas ntxiv kom ntseeg tau tias cov qauv xau.Cov yam ntxwv no tiv thaiv kev nkag mus los lossis kev xau, yog li txo qis qhov muaj peev xwm rau kev sib kis hauv av thiab xav tau kev kho kim.

4. Flexibility thiab adaptability: Kauv submerged arc welded yeeb nkab tuaj yeem tsim kom haum rau ntau yam diameters, qhov ntev thiab nqes hav, ua kom yooj yim dua hauv cov kav dej phwj tsim.Lawv tuaj yeem hloov kho tau yooj yim rau cov kev hloov hauv struts thiab kev taw qhia, kom ntseeg tau tias cov dej khib nyiab zoo txawm tias nyob hauv cov kav dej sib txuas.

5. Kev Ua Tau Zoo: Piv nrog cov khoom siv hauv cov kav dej ib txwm muaj xws li cov pob zeb lossis av nplaum, cov kav dej hauv cov kav dej tuaj yeem muab cov nqi txuag nyiaj ntau hauv kev teeb tsa thiab kev saib xyuas.Lawv lub teeb yuag txo tus nqi thauj khoom thiab lawv yooj yim rau nruab, txo qis kev ua haujlwm.Tsis tas li ntawd, nws lub neej ua haujlwm ntev thiab kev saib xyuas tsawg kawg nkaus ua rau muaj txiaj ntsig zoo rau kev siv sijhawm ntev.

Tshuaj muaj pes tsawg leeg

Qib hlau		Hom de-oxidation a	% los ntawm huab hwm coj, siab kawg
Steel npe	Hlau tooj	C	C	Si	Mn	P	S	Nb
S235 JRH	1, 0039	FF	0,17 ib	—	1,40 ib	0,040 ua	0,040 ua	0.009 ib
S275J0H	1.0149 ib	FF	0,20 ib	—	1,50 ib	0,035 ib	0,035 ib	0,009 ib
S275J2H	1, 0138	FF	0,20 ib	—	1,50 ib	0,030 ua	0,030 ua	—
S355J0H	1.0547 ib	FF	0,22 ib	0,55 ib	1,60 ib	0,035 ib	0,035 ib	0,009 ib
S355J2H	1.0576 ib	FF	0,22 ib	0,55 ib	1,60 ib	0,030 ua	0,030 ua	—
S355K2H	1, 0512	FF	0,22 ib	0,55 ib	1,60 ib	0,030 ua	0,030 ua	—
ib.Txoj kev deoxidation yog tsim raws li hauv qab no: FF: Ua tiav cov hlau uas muaj nitrogen khi cov ntsiab lus kom txaus los khi muaj nitrogen (xws li min. 0,020% tag nrho Al lossis 0,015% soluble Al). b.Tus nqi siab tshaj plaws rau nitrogen tsis siv yog tias cov tshuaj muaj pes tsawg leeg pom qhov tsawg kawg nkaus Al ntsiab lus ntawm 0,020% nrog qhov tsawg kawg nkaus Al / N piv ntawm 2: 1, lossis yog tias muaj lwm yam N-binding ntsiab.Cov ntsiab lus N-binding yuav tsum tau sau rau hauv Cov Ntaub Ntawv Tshawb Fawb.

Kev siv cov kav dej SSAW hauv cov kav dej phwj tuaj:

1. Municipal Sewer Networks: Cov kav dej SSAW feem ntau yog siv rau hauv kev tsim kho cov kav dej loj ua haujlwm rau thaj chaw nyob, kev lag luam thiab kev lag luam.Lawv lub zog thiab kev tiv thaiv corrosion ua rau lawv muaj kev xaiv zoo rau kev thauj cov dej khib nyiab mus ntev.

2. Cua daj cua dub ntws:SSAW kavtuaj yeem tswj tau cov dej nag los nag thiab tiv thaiv dej nyab hauv nroog.Lawv txoj kev ruaj khov tso cai rau kev hloov pauv ntawm cov dej loj ntawm cov dej siab.

3. Kev kho dej phwj tuaj: Kauv submerged arc welded kav yuav siv tau rau hauv kev tsim kho ntawm ntau qhov chaw ntawm cov dej phwj tuaj kho, nrog rau cov kav dej tsis huv, cov kav dej aeration thiab sludge kho tshuab.Lawv tsis kam mus rau cov tshuaj corrosive thiab muaj peev xwm los daws cov kev sib txawv ntawm kev sib txawv ua rau lawv tsis tuaj yeem nyob hauv qhov xav tau ib puag ncig.

Hauv kev xaus:

Xaiv cov khoom siv yeeb nkab kom raug yog qhov tseem ceeb rau kev tsim kho thiab kev saib xyuas ntawm koj cov kav dej.Kauv submerged arc yeeb nkab (SSAW) tau ua pov thawj los ua tus nqi tsim nyog, ruaj khov thiab ntau yam kev daws teeb meem.Nrog rau lawv cov kev tiv thaiv zoo heev, cov qauv tsim tawm, thiab kev hloov pauv mus rau qhov sib txawv, cov kav dej SSAW tuaj yeem thauj cov dej khib nyiab zoo, ua rau kev txhim kho tag nrho ntawm cov nroog.Kev siv cov kauv submerged arc welded kav hauv cov kav dej phwj tuaj yeem ua rau txoj hauv kev rau kev txhim kho cov kav dej kom tau raws li qhov xav tau ntawm kev loj hlob hauv nroog.