** Dab tsi carbon steel siv rau?
Cov pa roj carbon steel yog hom hlau uas muaj cov pa roj carbon ntau, xws li ntawm 0.05% mus rau 2.1% hauv kev sib xyaw. Piv nrog rau lwm hom hlau, carbon steel muaj cov yam ntxwv tshwj xeeb uas ua rau nws haum rau ntau yam kev siv thoob plaws ntau yam kev lag luam. Nyob rau hauv tsab xov xwm no, peb yuav delve rau hauv ntau yam kev lag luam daim ntawv thov ntawm carbon steel thiab tshawb xyuas cov khoom uas ua rau nws yog ib qho khoom siv zoo rau lub hom phiaj.
** Cov khoom ntawm Carbon Steel
Cov khoom ntawm carbon steel sib txawv nyob ntawm seb yam xws li cov ntsiab lus carbon, alloying ntsiab, thiab kev kho cua sov. Feem ntau, carbon steel muaj cov khoom hauv qab no:
1. Muaj zog thiab kav ntev
Cov pa roj carbon steel paub txog nws lub zog siab thiab ua haujlwm ntev. Nws tuaj yeem tiv taus cov khoom hnyav thiab tiv taus deformation.
2. Siab machinability
Cov pa roj carbon steel yog ib qho yooj yim rau tshuab vim nws qhov qis melting point thiab softness.
3. Tus nqi qis
Carbon steel yog ib qho ntawm cov khoom siv kim tshaj plaws thaum piv rau lwm cov hlau xws li titanium, npib tsib xee, thiab tooj liab alloys.
4. Corrosion kuj
High-carbon steel yog corrosion-resistant ntau dua li cov pa roj carbon tsawg vim muaj cov chromium, uas tsim cov oxide txheej tiv thaiv ntawm qhov chaw.
** Kev lag luam daim ntawv thov ntawm carbon hlau
1. Kev lag luam kev tsim kho
Cov pa roj carbon steel yog dav siv hauv kev tsim kho kev lag luam vim nws lub zog siab thiab kav ntev. Nws yog siv rau hauv kev tsim vaj tsev, txuas hniav, thiab ntau yam kev tsim kho vaj tse.
2. Automotive kev lag luam
Cov pa roj carbon steel yog cov khoom siv nrov hauv kev lag luam tsheb vim nws lub zog siab thiab pheej yig. Nws yog siv nyob rau hauv kev tsim kho ntawm lub tsheb lub cev, cav qhov chaw, thiab ntau yam lwm yam Cheebtsam.
3. Kev lag luam Aerospace
Cov pa roj carbon steel yog siv rau hauv kev lag luam aerospace vim nws lub zog siab thiab ua haujlwm tsis zoo rau kev cuam tshuam thiab qaug zog. Nws yog siv nyob rau hauv kev tsim kho ntawm aircraft Cheebtsam xws li tsaws iav, cav mountings, thiab lwm yam structural qhov chaw.
4. Kev lag luam hluav taws xob
Cov pa roj carbon steel yog siv rau hauv kev lag luam hluav taws xob rau kev tsim cov kav dej, lub tank cia, thiab lwm yam khoom siv vim nws lub zog siab thiab corrosion kuj.
** Hom Carbon Steel
Muaj plaub yam tseem ceeb ntawm carbon steel raws li cov pa roj carbon ntau uas lawv muaj. Cov no suav nrog:
1. Tsawg-carbon steel
Tsawg-carbon steel muaj tsawg dua 0.25% carbon thiab yog hom carbon steel ntau tshaj. Nws muaj qhov zoo weldability thiab siv rau hauv kev tsim vaj tsev, txuas hniav, thiab ntau yam kev tsim kho vaj tse.
2. Nruab nrab-carbon steel
Nruab nrab-carbon steel muaj nyob nruab nrab ntawm 0.25% thiab 0.60% carbon. Nws yog siv rau hauv kev tsim cov khoom siv tsheb, tshuab, thiab cov cuab yeej hnyav.
3. High-carbon steel
High-carbon steel muaj nyob nruab nrab ntawm 0.60% thiab 1.5% carbon thiab siv rau hauv kev tsim cov cuab yeej txiav, riam, thiab lwm yam khoom muaj zog.
4. Ultra-high-carbon steel
Ultra-high-carbon steel muaj nyob nruab nrab ntawm 1.5% thiab 2.0% carbon thiab muaj lub zog tshwj xeeb thiab hardness. Nws yog siv nyob rau hauv kev tsim kho ntawm high-strength xov hlau, springs, thiab lwm yam khoom uas yuav tsum tau muaj zog heev.
** Kev kho cua sov ntawm Carbon Steel
Kev kho cua sov yog txheej txheem uas cuam tshuam txog kev hloov cov khoom ntawm cov hlau los ntawm kev nthuav tawm rau ntau qhov kub thiab txias. Cov txheej txheem kev kho cua sov feem ntau yog siv los ua kom lub zog thiab toughness ntawm carbon steel.
** Kev sib tw
Annealing yog txheej txheem kev kho cua sov uas muaj cua sov cov hlau mus rau qhov kub thiab txias, tuav nws nyob ntawd rau qee lub sijhawm thiab tom qab ntawd maj mam txias. Annealing yog siv los muag cov hlau thiab ua kom nws ua tau ntau dua.
**Normalizing
Normalizing yog txheej txheem kev kho cua sov uas suav nrog cua sov cov hlau mus rau qhov kub thiab txias, tuav nws nyob ntawd rau qee lub sijhawm, tom qab ntawd txias hauv huab cua. Normalizing yog siv los txhim kho lub toughness thiab lub zog ntawm steel los ntawm refining nws grain qauv.
** Quenching thiab Tempering
quenching thiab tempering yog txheej txheem kev kho cua sov uas muaj cua sov cov hlau mus rau qhov kub thiab txias, tuav nws nyob ntawd rau qee lub sijhawm, thiab tom qab ntawd quenching hauv roj lossis dej. Cov hlau yog ces tempered los ntawm cua sov nws mus rau ib tug qis kub. Cov txheej txheem no yog siv los ua kom muaj zog, toughness, thiab hardness ntawm steel.
** Lus xaus
Hauv kev xaus, carbon steel yog ntau yam khoom siv uas pom ntau yam kev siv hauv kev lag luam sib txawv vim nws cov khoom tshwj xeeb thiab lub zog. Kev siv cov pa roj carbon steel txuas ntxiv mus ntxiv vim kev lag luam nrhiav cov khoom siv tau zoo thiab muaj zog. Nrog rau kev tshawb fawb tsis tu ncua hauv kev txhim kho cov qib siab carbon steel alloys, peb tuaj yeem cia siab tias yuav pom ntau daim ntawv thov ntawm cov khoom siv no yav tom ntej.
