Qhov zoo ntawm Welded Cold Formed Welded Structural Pipes

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Qhov kev qhia tshwj xeeb no suav nrog tsib qib ntawm hluav taws xob-fusion (arc)-welded helical-seam steel yeeb nkab.Cov yeeb nkab yog npaj rau kev xa cov kua, roj lossis vapor.

Nrog 13 cov kab ntau lawm ntawm kauv steel yeeb nkab, Cangzhou Spiral Steel pipes Group Co., Ltd. muaj peev xwm tsim helical-seam steel kav nrog sab nraud txoj kab uas hla ntawm 219mm mus rau 3500mm thiab phab ntsa thickness mus txog 25.4mm.

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Khoom cim npe

Hauv kev tsim kho thiab kev tsim khoom, kev xaiv cov khoom siv vuam thiab cov txheej txheem ua lub luag haujlwm tseem ceeb hauv kev ua tiav ntawm txhua qhov haujlwm.Ib qho khoom siv uas tau ua nrov nyob rau xyoo tas los no yog txias-tsim welded structural yeeb nkab.Cov khoom lag luam tshiab no muaj ntau qhov zoo dua li cov kav dej tsis muaj seamless lossis welded, tshwj xeeb tshaj yog cov kav dej sib txuas.

Txias tsim welded structuralcov yeeb nkab yog tsim los ntawm cov txheej txheem txias-forming, uas cuam tshuam nrog kev khoov thiab ua cov coils ntawm cov hlau rau hauv cov duab uas xav tau.Qhov tshwm sim yog cov yeeb nkab uas muaj zog thiab ruaj khov, tsis tau hnav thiab siv tau yooj yim.Tsis tas li ntawd, cov txheej txheem txias txias ua kom cov yeeb nkab tswj nws cov qauv kev ntseeg siab thiab qhov tseeb qhov tseeb, ua rau nws zoo tagnrho rau kev siv vuam.

Mechanical Property

	Qib A	Qib B	Qib C	Qib D	Qib E
Yield zog, min, Mpa (KSI)	330 (48) hnub	415(60)	415(60)	415(60)	445(66)
Tensile zog, min, Mpa (KSI)	205(30)	240(35)	290 (42) hnub	315 (46) hnub	360(52)

Tshuaj muaj pes tsawg leeg

Element	Kev sib xyaw, Max,%
Element	Qib A	Qib B	Qib C	Qib D	Qib E
Cov pa roj carbon	0.25	0.26	0.28 ib	0.30 Nws	0.30 Nws
Manganese	1.00 Nws	1.00 Nws	1.20	1.30 Nws	1.40 Nws
Phosphorus	0.035 ib	0.035 ib	0.035 ib	0.035 ib	0.035 ib
Sulfur	0.035 ib	0.035 ib	0.035 ib	0.035 ib	0.035 ib

Hydrostatic Test

Txhua qhov ntev ntawm cov yeeb nkab yuav tsum raug kuaj los ntawm cov chaw tsim khoom mus rau lub siab hydrostatic uas yuav tsim nyob rau hauv cov yeeb nkab phab ntsa ib qho kev ntxhov siab tsis pub tsawg tshaj 60% ntawm qhov tsawg kawg nkaus yield zog ntawm chav tsev kub.Lub siab yuav tsum tau txiav txim los ntawm qhov sib npaug hauv qab no:
P = 2st/D

Permissible variations In Weights and Dimensions

Txhua qhov ntev ntawm cov yeeb nkab yuav tsum tau hnyav nyias thiab nws qhov hnyav yuav tsum tsis txhob sib txawv ntau dua 10% tshaj lossis 5.5% raws li nws qhov hnyav, suav nrog nws qhov ntev thiab nws qhov hnyav ntawm ib chav tsev ntev.
Sab nraud txoj kab uas hla yuav tsum tsis txhob sib txawv ntau tshaj ± 1% ntawm lub npe nominal sab nraud txoj kab uas hla.
Phab ntsa thickness ntawm txhua qhov chaw yuav tsum tsis pub ntau tshaj 12.5% raws li cov phab ntsa thickness.

Ntev

Ib qho random ntev: 16 txog 25ft (4.88 txog 7.62m)
Ob chav random ntev: tshaj 25ft txog 35ft (7.62 txog 10.67m)
Uniform lengths: permissible variation ± 1in

Xaus

Cov yeeb nkab yuav tsum tau muab tso rau hauv qhov xaus, thiab cov burrs ntawm qhov kawg yuav raug tshem tawm.
Thaum cov yeeb nkab kawg tau teev tseg rau bevel xaus, lub kaum sab xis yuav tsum yog 30 txog 35 degree

Ib qho ntawm qhov zoo tshaj plaws ntawm txias-tsim welded structuralyeeb nkab rau vuamyog nws muaj peev xwm tiv taus qhov kub thiab txias.Tsis zoo li cov kav dej ib txwm muaj, uas muaj kev cuam tshuam rau corrosion thiab lwm yam kev degradation, cov kav dej txias tsim tau tsim los tiv thaiv kev nruj ntawm vuam thiab lwm yam txheej txheem kev lag luam.Qhov no ua rau lawv zoo tagnrho rau kev siv ntau yam kev siv los ntawm kev tsim vaj tsev mus rau cov phiaj xwm infrastructure.

Lwm qhov zoo dua ntawm qhov txias-tsim welded structural yeeb nkab yog nws cov nqi-zoo.Cov txheej txheem txias txias tuaj yeem tsim cov kav dej hauv ntau qhov ntau thiab tsawg thiab cov duab, txo qhov xav tau ntawm cov txheej txheem casting thiab machining.Qhov no ua rau cov khoom lag luam pheej yig dua thiab txhim khu kev qha zoo li seamless lossis welded yeeb nkab.Tsis tas li ntawd, lub teeb yuag ntawm cov yeeb nkab txias ua rau kev thauj mus los thiab kev teeb tsa yooj yim dua thiab raug nqi ntau dua, ntxiv rau nws qhov kev thov rov hais dua.

Kauv seam tubes tshwj xeeb tshaj yog tau txais txiaj ntsig los ntawm cov txheej txheem txias txias.Lub cev muaj zog thiab yoog raws ntawm cov hlab ntsha txias ua rau lawv zoo tagnrho rau kev tsim cov pob qij txha ruaj khov thiab tsis muaj pov thawj.Qhov no ua rau lawv xaiv zoo rau cov ntawv thov xws li cov kav dej hauv av, cov kab dej thiab txawm tias cov kab dej ua liaj ua teb.Tsis tas li ntawd, qhov du nto ntawm cov kav dej txias ua rau txo qis qhov kev pheej hmoo ntawm kev sib txhuam thiab hnav, ua kom ntev cov yeeb nkab lub neej thiab txo qhov xav tau kev saib xyuas thiab kho.

Zuag qhia tag nrho, txias tsim welded qauv yeeb nkab muaj ntau qhov zoo uas ua rau nws xaiv zoo heev rau kev siv vuam, tshwj xeeb tshaj yog muab kauv seam yeeb nkab.Lawv lub zog, durability thiab nqi-zoo ua rau lawv xaiv qhov zoo nkauj rau ntau yam kev lag luam, los ntawm kev tsim kho mus rau kev tsim khoom.Raws li qhov kev thov rau cov khoom zoo, txhim khu kev qha cov ntaub ntawv tseem loj tuaj, txias-tsim welded structural yeeb nkab yuav dhau los ua ib qho kev xaiv nrov rau kev siv vuam.