Carbon cov kav hlau hlau yog ntawm cov khoom siv feem ntau siv hauv kev lag luam piping. Nrog lawv cov siab ntev, lub zog, thiab pheej yig, lawv yog qhov zoo rau kev siv hauv ntau cov ntawv thov. Hauv tsab xov xwm no, peb yuav muab cov lus qhia rau koj txhua tus rau koj rau cov roj hlau steel, nrog rau lawv cov khoom, hom, thiab kev siv.
1. Pib
Carbon Steel Kav yog ib hom hlau kav hlau uas muaj cov pa roj carbon uas muaj cov txheej txheem sib xws. Cov kav dej no yog tsim los ntawm kev sib xyaw carbon, hlau, thiab lwm yam ntaub ntawv, uas tau raug tsim kom tsim cov txheej txheem tsim khoom los tsim kev tsim khoom lossis cov kav dej sib txawv ntawm cov duab sib txawv thiab ntau thiab tsawg. Cov pa roj carbon cov kav hlau yog siv dav hauv ntau yam kev lag luam vim lawv lub zog, durability, thiab pheej yig.
2. Dab tsi yog cov pa roj carbon?
Carbon Steel yog ib hom hlau uas muaj cov pa roj carbon uas muaj cov txheej txheem ua ntej, nrog rau lwm yam xws li manganese, thiab phosphorus. Carbon Steel tau faib ua plaub pawg tseem ceeb raws li nws cov ntaub ntawv carbon: tsawg carbon hlau, cov pa roj carbon hlau, thiab ultra hlau. Cov ntsiab lus carbon cov ntsiab lus hauv cov pupbon steel hlau tuaj yeem sib txawv ntawm 0.05% rau 2.0%.
3. Cov Khoom Siv ntawm Carbon Steel
Carbon Steel Kav muaj ntau cov khoom uas ua rau lawv haum rau siv nyob rau hauv ntau yam kev siv. Cov khoom no suav nrog:
- Lub zog: Carbon Steel Kav yog muaj zog thiab ruaj, uas ua rau lawv zoo tagnrho rau kev siv hauv cov ntawv thov siab.
- Hardness: carbon steel kav yog qhov nyuaj dua ntau cov ntaub ntawv, uas ua rau lawv tiv taus hnav thiab kua muag.
- Ductility: Carbon Steel Kav yog coopes thiab tuaj yeem khoov tau tsis tawg, ua rau lawv haum rau siv hauv ntau cov duab thiab ntau thiab tsawg.
- Corrosion Kuj: Cov pa roj carbon cov roj ntsha muaj cov khoom lag luam tsis zoo, tshwj xeeb tshaj yog thaum lawv coated nrog cov txheej tiv thaiv.
- Weldability: carbon kav hlau tuaj yeem muab tso tawm yooj yim thiab fabricated, uas ua rau lawv haum rau siv nyob rau hauv ntau yam kev lag luam.
4. Hom carbon hlau kav hlau
Muaj peb hom carbon cov kav hlau loj:
Seamless Cov Pauv Hlau Kav
Seamless cov pupbon cov kav hlau yog tsim los ntawm tho ib daim tawv ntawm cov hlau, uas yog tom qab ntawd rhuab los tsim lub raj hollow. Seamless kav muaj zog thiab ntau ruaj dua welded kav dej, tab sis lawv kuj tseem kim dua.
ERW Carbon Steel Kav
Hluav taws xob tsis welded (ERW) Carbon Steel Kav yog tsim los ntawm dov ib daim ntawv ntawm cov roj carbon steel rau hauv lub raj thiab vuam cov npoo ua ke. ERW kav yog pheej yig dua thiab yooj yim dua los tsim cov kav dej tsis muaj zog, tab sis lawv kuj tsis muaj zog thiab tsis muaj zog.
LSAW cov kav hlau hlau
Longitudinal submerged arc welded (LSAW) Cov kav hlau ua ke ua ke ua los ntawm cov tawv hlau ua ke rau hauv cov txheej txheem ua ke siv cov txheej txheem arc. LSAWaw kav muaj zog thiab ntau ruaj dua li ERW kav, tab sis lawv kuj yog
kim dua.
5. Kev tsim qauv txheej txheem ntawm cov roj carbon hlau
Cov txheej txheem tsim khoom ntawm cov kav hlau ua roj carbon hlau cuam tshuam ntau kauj ruam, suav nrog:
Cov Khoom Siv Raw
Thawj kauj ruam hauv kev tsim cov txheej txheem tsim khoom ntawm cov xaim roj carbon steel yog txhawm rau sib sau cov khoom siv raw. Cov ntaub ntawv no feem ntau suav nrog cov hlau ore, coke, thiab limestone.
Melting thiab casting
Cov ntaub ntawv raw tau melted nyob rau hauv ib qho cub tawg ntawm qhov kub thiab txias, thiab cov hlau molten tau hliv rau hauv cov pwm me me los tsim cov khoom siv hlau.
Dov
Cov khoom siv hlau billet yog tom qab ntawd dov rau hauv lub hollow raj uas siv lub suab dov. Cov txheej txheem Rolling cuam tshuam nrog lub siab rau lub billet siv cov xaim ntawm cov yob kom txog thaum nws nce qhov loj thiab tuab.
Vuam
Rau welded carbon hlau kav, lub hollow raj yog welded siv ib qho ntawm ob peb cov txheej txheem vuam, xws li erw lossis lsaw.
Kev Kho Cua Sov
Kauj ruam kawg hauv kev tsim khoom lag luam ntawm cov roj carbon steel yog kev kho cua sov. Tus txheej txheem no cuam tshuam cov kav dej kom sov rau qhov kub thiab txias thiab maj mam txias kom lawv muaj zog thiab kav ntev.
6. Kev thov cov pa roj carbon steel
Cov pa roj carbon cov roj steel yog siv hauv ntau hom kev lag luam thiab cov ntawv thov, suav nrog:
Roj thiab Roj Kev Lag Luam
Cov roj carbon cov kav hlau yog siv dav hauv cov roj thiab roj kev lag luam mus thauj cov roj, roj av, thiab lwm yam dej dhau mus deb.
Tshuaj Kev Lag Luam
Cov pa roj carbon kav hlau siv tshuaj hlau hauv kev lag luam tshuaj lom neeg thauj cov khoom siv thiab lwm cov khoom siv phom sij.
Dej Kho Nroj Tsuag
Cov roj carbon kav hlau siv hauv cov dej kho cov dej kom thauj cov dej thiab lwm cov kua.
Kev Tsim Kho Kev Tsim Kho
Cov qauv kev tsim kho cov qauv siv los tsim cov vaj tse xws li vaj tse, txuas hniav, thiab cov tunnels.
Kev Lag Luam Automotive
Cov pa roj carbon kav hlau siv rau hauv kev lag luam Automotive los tsim ntau qhov chaw xws li kev tso pa tawm thiab chassis.
7. Qhov zoo ntawm cov xaim roj carbon steel
Carbon Steel Kav Ntawv muab ob peb qhov zoo, suav nrog:
- Durability: Cov pa roj carbon cov roj ntsha yog muaj zog thiab ruaj, uas ua rau lawv zoo tagnrho rau kev siv hauv ntau yam kev siv.
- Cov nqi pheej: Cov roj hlau hluav taws xob muaj hluav taws xob ntau dua ntau cov ntaub ntawv, uas ua rau lawv zoo tagnrho rau kev siv hauv cov haujlwm loj.
- Weldability: Cov pa roj carbon cov roj yuav yooj yim welded, uas ua rau lawv haum rau siv nyob rau hauv ntau yam duab thiab ntau thiab tsawg.
8. Qhov tsis zoo ntawm cov kav hlau hlau
Txawm tias lawv muaj ntau yam zoo, cov xaim hluav taws xob tuaj yeem muaj qee qhov tsis zoo, suav nrog:
- Corrosion: Carbon Steel Kav tuaj yeem corrode nyob rau lub sijhawm, tshwj xeeb tshaj yog tias lawv tsis tau siv kom haum nrog txheej tiv thaiv.
- Nkig: Cov xaim roj carbon cov kav hlau tuaj yeem ua tau zoo ntawm qhov kub tsawg, uas tuaj yeem ua rau lawv tawg lossis tawg.
- Hnyav: Carbon Kav hlau yog hnyav dua qee cov ntaub ntawv, uas tuaj yeem ua rau lawv nyuaj thauj thiab nruab.
9. Txij Nkawm Ntawm Cov Roj Hlau Steel Kav
Txhawm rau kom ntseeg tau tias qhov ntev thiab cov pa roj carbon steel, kev tu kom zoo yog qhov tseem ceeb. Qhov no suav nrog kev tshuaj xyuas tas li, kev ntxuav tu, thiab txheej nrog cov txheej tiv thaiv kom tiv thaiv corrosion.
10. Ib puag ncig kev cuam tshuam ntawm cov pipoles steel
Kev tsim khoom thiab kev siv cov pa roj carbon steel tuaj yeem muaj kev cuam tshuam ib puag ncig tseem ceeb, suav nrog qhov kev tso nyiaj tawm ntawm tsev cog khoom roj thiab cov khoom siv hauv ntuj. Txhawm rau txo cov kev cuam tshuam no, cov chaw tsim khoom muaj zog nce zuj zus kev coj ua thiab siv cov khoom siv rov ua dua hauv cov roj carbon steel.
11. Xaus
Cov roj carbon steel yog ib qho ntau yam thiab cov khoom siv ruaj khov uas tau siv dav hauv ntau yam lag luam thiab kev siv. Nrog lawv cov txiaj ntsig zoo thiab qhov tsis zoo, nws yog ib qho tseem ceeb kom ua tib zoo xav txog txhua txoj haujlwm ua ntej xaiv cov yeeb nkab hlau.
Lub Sijhawm Post: Lub Tsib Hlis-10-2023