Ukuphucula ukusebenza kakuhle kweziSeko zoMsebenzi nge-S355 JR iSpiral Steel Pipe: Utshintsho lweMidlalo kuLwakhiwo lweMibhobho yeGesi yeNdalo yanamhlanje.

Inkcazelo emfutshane:

Le nxalenye yalo Mgangatho waseYurophu ichaza iimeko zokuhanjiswa kobugcisa kulwakhiwo oludityanisiweyo olubandayo, amacandelo angenanto eesetyhula, isikwere okanye iifomu ezixande kwaye isebenza kumacandelo akhiweyo anomngxuma abandayo ngaphandle konyango lobushushu obulandelayo.

I-Cangzhou Spiral Steel Pipes Group Co., Ltd ibonelela ngecandelo elimngxuma leemibhobho zentsimbi ezijikelezayo kwisakhiwo.


Iinkcukacha zeMveliso

Iithegi zeMveliso

Intshayelelo:

Imfuno ekhulayo yamandla asebenzayo nathembekileyo iye yaba yinkxalabo ebalulekileyo koorhulumente kunye namashishini kwihlabathi jikelele.Ekubeni imibhobho yerhasi yendalo iyimithambo yothutho lwegesi yendalo, ukukhethwa kwezinto zombhobho kubalulekile ekuqinisekiseni unikezelo lwamandla olungenamthungo noluzinzileyo.Kule bhlog, siphonononga indlela i-S355 JR umbhobho wentsimbi ojikelezayo, owaziwa ngokubaumbhobho we-helical seam, iguqula ukwakhiwa kwemibhobho yegesi yendalo, iphucula ukhuseleko, ixesha elide kunye nohambo olufanelekileyo.

IPropati yoomatshini

ibakala lentsimbi

ubuncinci amandla esivuno
Mpa

Tensile strength

Ubuncinci bobude
%

Ubuncinci bempembelelo yamandla
J

Ubukhulu obucacisiweyo
mm

Ubukhulu obucacisiweyo
mm

Ubukhulu obucacisiweyo
mm

kuvavanyo lobushushu be

 

<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

-

-

Ukuqulunqwa kwemichiza

Ibakala Steel

Uhlobo lwe-de-oxidation a

% ngobunzima, ubukhulu

Igama lentsimbi

Inombolo yentsimbi

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.Indlela ye-deoxidation yonyulwa ngolu hlobo lulandelayo:

FF: Intsimbi ebulewe ngokupheleleyo equlethe izinto ezibophelelayo zenitrogen ngokwezixa ezaneleyo zokubopha initrogen ekhoyo (umz. min. 0,020 % iyonke iAl okanye i-0,015 % enyibilikayo iAl).

b.Ixabiso eliphezulu le-nitrogen alisebenzi ukuba ukubunjwa kweekhemikhali kubonisa ubuncinane be-Al umxholo we-0,020 % kunye nomlinganiselo we-Al/N ubuncinane we-2: 1, okanye ukuba kukho ezinye izinto ezaneleyo ze-N-binding.Izinto ezibophelelayo ze-N ziya kubhalwa kuXwebhu loHlolo.

Uvavanyo lweHydrostatic

Ubude bombhobho ngamnye buya kuvavanywa ngumenzi kuxinzelelo lwe-hydrostatic oluya kuvelisa eludongeni lombhobho uxinzelelo olungekho ngaphantsi kwama-60% obona buncinci buchaziweyo bamandla esivuno kwindawo yobushushu begumbi.Uxinzelelo luya kumiselwa ngolu nxaki lulandelayo:
P=2St/D

Ukwahluka okuvumelekileyo kubunzima kunye nemilinganiselo

Ubude bombhobho ngamnye buya kulinganiswa ngokwahlukeneyo kwaye ubunzima bawo abuyi kwahluka ngaphezu kwe-10% ngaphezulu okanye i-5.5% phantsi kobunzima bethiyori, kubalwe kusetyenziswa ubude bayo kunye nobunzima bayo ngeyunithi yobude.
Idayamitha yangaphandle ayisayi kwahluka ngaphezu kwe-±1% ukusuka kwidayamitha yangaphandle echaziweyo
Ubunzima bodonga nakweyiphi na indawo abuyi kuba ngaphezu kwe-12.5% ​​phantsi kobukhulu bodonga oluchaziweyo

Umbhobho weHelical Welded

1. Qonda i-S355 JR yentsimbi yombhobho wentsimbi:

S355 JR umbhobho wentsimbi ejikelezayoyenziwe ngentsimbi yodidi oluphezulu lwe-S355JR kwaye ngumbhobho womthungo ojikelezayo olungiselelwe ngokukodwa ukwakhiwa kwemibhobho yegesi.Ubume be-spiral seam bunika umbhobho amandla agqwesileyo kunye nokuguquguquka, oko kuyenza ilungele ukuhanjiswa komgama omde kunye nokuthuthwa kwerhasi yendalo.Ukomelela kwayo kuqinisekisa ukuchasana nezinto zangaphandle ezifana nokuhamba komhlaba, umsebenzi we-seismic kunye nokubola komhlaba, ngaloo ndlela iqinisekisa ixesha elide kunye nokunyaniseka kwenkqubo yemibhobho yegesi yendalo.

2. Ukhuseleko kuqala:

Ukuthembeka kunye nokhuseleko lwemibhobho yegesi yendalo kubaluleke kakhulu kwintlalontle yoluntu kunye nokusingqongileyo.Amandla aphezulu kunye nokuqina kwe-S355 JR ipayipi yensimbi ejikelezayo idlala indima ebalulekileyo ekunciphiseni umngcipheko wokuvuza, ukuphuka kunye neengozi ezilandelayo.Enkosi kulwakhiwo lwe-spiral seam, ubume bobume bombhobho buhlala bunjalo nakumhlaba ocela umngeni okanye iimeko zemozulu ezimandundu.Ukufaka lo mbhobho kwinkqubo yemibhobho yerhasi yendalo kunciphisa kakhulu amathuba okuba nobungozi kokusingqongileyo kwaye kuvumele ukuhamba okungaphazamisekiyo kwerhasi yendalo kubasebenzisi bokugqibela.

3. Uzinzo lweziseko ezingundoqo:

Ukuqina okuphezulu kwe-S355 JR ipayipi yensimbi ejikelezayo iqinisekisa ixesha elide leziseko zombhobho wakho wegesi, ukonga ukugcinwa kunye neendleko zokutshintsha ngokuhamba kwexesha.Umbhobho wenziwa ngentsimbi ephezulu ye-S355JR, enokumelana nokugqwesa okugqwesileyo, ukuchasana nempembelelo kunye nokumelana nokunxiba.Oku kuxhathisa kunciphisa ukulungiswa kunye nokutshintshwa, ngaloo ndlela kunciphisa impembelelo yokusingqongileyo kunye nokukhutshwa kwekhabhoni ehambelana nokugcinwa kwemibhobho kunye nokwakhiwa kwakhona.Umjikelo wobomi owandisiweyo we-S355 JR umbhobho wentsimbi ojikelezayo unegalelo ngokuthe ngqo kwinkqubo yombhobho werhasi ezinzileyo nengenabungozi kokusingqongileyo.

4. Ukuphucula ukusebenza kakuhle kwezothutho:

Ukusebenza ngokufanelekileyo kuthutho lwegesi yendalo kubandakanya ukunciphisa ilahleko yamandla kunye nokwandisa umthamo wokuhambisa.Ubume be-spiral seam ye-S355 JR i-spiral steel pipe ivumela ukuhamba komoya okugudileyo, okungaguquguqukiyo, ukunciphisa ilahleko yokungqubana ngelixa ukhulisa umthamo wothutho wombhobho.Umbhobho unomgangatho wangaphakathi ofanayo oqinisekisa ukuguquguquka okuphuculweyo, ngoko ukunciphisa ukusetyenziswa kwamandla kunye nokwandisa ukusebenza kakuhle.Ukongezelela, ubume bombhobho obukhaphukhaphu benza ukuba ukuphatha, ukuthuthwa kunye nokufakwa kulawuleke ngakumbi, ukonga ixesha kunye neendleko ngexesha lokwakha.

Isiphelo:

Ukubandakanya i-S355 JR umbhobho wentsimbi ejikelezayo kulwakhiwo lombhobho werhasi yendalo kuye kwangqinwa ukuphucula ukusebenza kakuhle kweziseko zophuhliso.Amandla akhethekileyo alo mbhobho, ukuqina kunye neempawu zokhuseleko zenza kube lula ukuhamba ngokungenamthungo kwerhasi yendalo, ukunciphisa umngcipheko weengozi, iingozi zokusingqongileyo kunye neendleko zokuyigcina.Ngokwandisa ukusebenza kakuhle kwezothutho kunye nokunciphisa ilahleko yamandla, umbhobho udlala indima ebalulekileyo ekuhlangabezaneni nemfuno ekhulayo yamandla ngelixa usamkela izenzo ezizinzileyo.Utyalo-mali kwizisombululo ezintsha ezifana ne-S355 JR i-spiral steel pipe ibalulekile koorhulumente, ishishini kunye noluntu ukuze kuqinisekiswe ukunikezelwa kwamandla okuthembekileyo, okusebenzayo kunye nokuvula indlela yekamva lamandla acocekileyo.


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