Chitoliro cha S355 JR Spiral Steel cha Sewer Line

Kufotokozera Kwachidule:

Chifukwa cha chitukuko chachangu cha zomangamanga zamakono, kufunikira kwa zipangizo zomangira zapamwamba komanso zolimba kwawonjezeka kwambiri. Pakati pa zipangizozi, chitoliro chachitsulo cha S355 JR chakhala gawo lofunika kwambiri pa ntchito zosiyanasiyana zomanga. Mu blog iyi, tifufuza kufunika ndi ubwino wa mapaipi achitsulo cha S355 JR, kufotokoza udindo wawo wofunikira pa zomangamanga zamakono.


Tsatanetsatane wa Zamalonda

Ma tag a Zamalonda

Chitoliro cha S355 JR Spiral SteelMphamvu ndi Kusinthasintha

 Chitoliro chachitsulo chozungulira cha S355 JRAmapangidwa pogwiritsa ntchito ukadaulo wapamwamba komanso chitsulo chapamwamba kwambiri kuti agwirizane ndi mphamvu ndi kusinthasintha kwa chinthu chimodzi. Mapaipi awa adapangidwa kuti athe kupirira kupsinjika kwakukulu, zomwe zimapangitsa kuti akhale oyenera kugwiritsidwa ntchito m'njira zosiyanasiyana. Kaya amagwiritsidwa ntchito ponyamula madzi, mafuta kapena gasi wachilengedwe, mapaipi awa amapereka magwiridwe antchito abwino komanso kulimba.

Kapangidwe kolimba komanso umphumphu wa kapangidwe kake

Chimodzi mwa zinthu zodziwika bwino za chitoliro chachitsulo cha S355 JR ndi kapangidwe kake kolimba, komwe kumatsimikizira kuti kapangidwe kake ndi kolimba. Mapaipi awa ali ndi mipata yozungulira yomwe imatsimikizira kuti ndi yamphamvu kwambiri pomwe amachepetsa chiopsezo cha kutuluka kapena kulephera. Kapangidwe kapamwamba aka kamathandiza kuti chitolirochi chizitha kupirira katundu wolemera komanso nyengo yovuta, zomwe zimapangitsa kuti chikhale choyenera kwambiri pa zomangamanga zofunika kwambiri monga milatho, ngalande ndi nyumba zazitali.

Katundu wa Makina

kalasi yachitsulo

mphamvu yocheperako yopezera phindu
Mpa

Kulimba kwamakokedwe

Kutalikirana kochepa
%

Mphamvu yochepa kwambiri
J

Kunenepa kotchulidwa
mm

Kunenepa kotchulidwa
mm

Kunenepa kotchulidwa
mm

kutentha koyesedwa kwa

 

16

>16≤40

<3

≥3≤40

≤40

-20℃

0℃

20℃

S235JRH

235

225

360-510

360-510

24

-

-

27

S275J0H

275

265

430-580

410-560

20

-

27

-

S275J2H

27

-

-

S355J0H

365

345

510-680

470-630

20

-

27

-

S355J2H

27

-

-

S355K2H

40

-

-

Kapangidwe ka Mankhwala

Kalasi yachitsulo

Mtundu wa de-oxidation a

% ndi kulemera, kuchuluka kwakukulu

Dzina lachitsulo

Nambala yachitsulo

C

C

Si

Mn

P

S

Nb

S235JRH

1.0039

FF

0,17

1,40

0,040

0,040

0.009

S275J0H

1.0149

FF

0,20

1,50

0,035

0,035

0,009

S275J2H

1.0138

FF

0,20

1,50

0,030

0,030

S355J0H

1.0547

FF

0,22

0,55

1,60

0,035

0,035

0,009

S355J2H

1.0576

FF

0,22

0,55

1,60

0,030

0,030

S355K2H

1.0512

FF

0,22

0,55

1,60

0,030

0,030

a. Njira yochotsera poizoni m'thupi imatchulidwa motere:

FF: Chitsulo chophwanyika bwino chokhala ndi zinthu zomangira nayitrogeni mu kuchuluka kokwanira kumangirira nayitrogeni yomwe ilipo (monga osachepera 0,020% ya Al yonse kapena 0,015% ya Al yosungunuka).

b. Mtengo wapamwamba kwambiri wa nayitrogeni sugwira ntchito ngati mankhwala akuwonetsa kuchuluka kwa Al komwe kuli 0,020% ndi chiŵerengero chochepa cha Al/N cha 2:1, kapena ngati pali zinthu zina zokwanira zomangira N. Zinthu zomangira N ziyenera kulembedwa mu Chikalata Chowunikira.

Mayeso a Hydrostatic

Kutalika kulikonse kwa chitoliro kuyenera kuyesedwa ndi wopanga ku mphamvu ya hydrostatic yomwe ingapangitse kuti pakhoma la chitoliro pakhale mphamvu yosachepera 60% ya mphamvu yocheperako yopezeka pa kutentha kwa chipinda. Kupanikizika kuyenera kutsimikiziridwa ndi equation yotsatirayi:
P=2St/D

Kusintha Kovomerezeka kwa Kulemera ndi Miyeso

Kutalika kulikonse kwa chitoliro kuyenera kuyezedwa padera ndipo kulemera kwake sikuyenera kupitirira 10% kapena 5.5% pansi pa kulemera kwake kongopeka, kuwerengedwa pogwiritsa ntchito kutalika kwake ndi kulemera kwake pa unit level.
M'mimba mwake wakunja suyenera kusiyana kuposa ± 1% kuchokera m'mimba mwake wakunja wotchulidwa
Kukhuthala kwa khoma nthawi iliyonse sikuyenera kupitirira 12.5% ​​pansi pa makulidwe a khoma omwe atchulidwa

Helical welded chitoliro

Kulimbana ndi dzimbiri ndi zinthu zachilengedwe

Mu ntchito iliyonse yomanga, kukhala ndi moyo wautali komanso kudalirika kwa zipangizo ndikofunikira kwambiri. Mapaipi achitsulo ozungulira a S355 JR amachita bwino kwambiri pankhaniyi chifukwa amalimbana kwambiri ndi dzimbiri komanso zinthu zachilengedwe. Chitsulo chomwe chimagwiritsidwa ntchito popanga chimakonzedwa mwapadera kuti chiwonjezere kukana kwake, zomwe zimapangitsa kuti mapaipi awa akhale oyenera kuyikidwa pamwamba ndi pansi pa nthaka. Kukana kumeneku sikungotsimikizira kuti payipiyo ndi yolimba, komanso kumachepetsa kwambiri ndalama zokonzera, zomwe zimapangitsa kuti ikhale njira yotsika mtengo.

Wonjezerani kukhazikika komanso kusamala chilengedwe

Poyang'anizana ndi nkhawa zapadziko lonse zokhudza kusintha kwa nyengo ndi zotsatira za chilengedwe, makampani omanga nyumba akufunafuna njira zokhazikika. S355 JRchitoliro chachitsulo chozungulirandi yobwezerezedwanso kwambiri ndipo imathandizira njira yokhazikika iyi. Mapaipi awa amatha kukonzedwanso ndikugwiritsidwanso ntchito, kuchepetsa zinyalala ndikusunga zachilengedwe. Kuphatikiza apo, nthawi yayitali yogwirira ntchito yawo imachepetsa kwambiri kufunika kosinthidwa, ndikuchepetsa kuwonongeka kwa chilengedwe chonse.

Tsatirani miyezo yokhwima ya khalidwe

Chitoliro chachitsulo chozungulira cha S355 JR chimapangidwa mosamala motsatira miyezo yokhwima ya khalidwe. Izi zimaonetsetsa kuti chitoliro chilichonse chimagwira ntchito moyenera komanso chikutsatira malamulo ofunikira achitetezo. Kaya ndi mapulojekiti ofunikira monga mapaipi amafuta ndi gasi kapena zomangamanga zoyendera, mapaipi awa amapereka kudalirika, kudalirika komanso mtendere wamumtima kwa mainjiniya, makontrakitala ndi eni mapulojekiti.

Pomaliza

Mwachidule, chitoliro chachitsulo cha S355 JR chakhala gawo lofunika kwambiri pa zomangamanga zamakono chifukwa cha mphamvu zake zapamwamba, kusinthasintha kwake komanso magwiridwe antchito ake onse. Kapangidwe kake kolimba, kukana dzimbiri komanso kutsatira miyezo yapamwamba zimapangitsa kuti chikhale choyenera ntchito zosiyanasiyana zomanga. Kuphatikiza apo, kukhazikika kwawo komanso kusamala chilengedwe kumawonjezera phindu ndikupangitsa kuti tsogolo likhale lobiriwira. Pamene tikupitiliza kuona kupita patsogolo kwa makampani omanga, n'zoonekeratu kuti chitoliro chachitsulo cha S355 JR chipitiliza kuchita gawo lofunikira pakuumba dziko lomwe tikukhalamo.


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