Cov Hlau Uas Muaj Carbon Tsawg Yog Dab Tsi?

Cov hlau uas tsis muaj carbon ntau, tseem hu ua cov hlau mos, yog ib hom hlau uas siv ntau tshaj plaws hauv ntiaj teb. Nws qhov kev hloov pauv tau yooj yim, pheej yig, thiab ntau yam kev siv ua rau nws yog ib yam khoom tseem ceeb hauv kev lag luam xws li kev tsim kho, tsheb, kev tsim khoom, thiab tshuab. Yuav kom nkag siab zoo dua txog nws lub luag haujlwm, tsab xov xwm no muab kev piav qhia txog cov hlau uas tsis muaj carbon ntau yog dab tsi, nws cov khoom sib xyaw, cov yam ntxwv, qhov zoo, thiab cov kev siv ib txwm muaj.

Kev Txhais Lus ntawm Cov Hlau Carbon Tsawg

Cov hlau uas muaj carbon tsawg yog ib hom hlau uas muaj carbon tsawg, feem ntau yog li ntawm 0.05% thiab 0.25%. Cov carbon tsawg ua rau cov hlau no mos dua, yooj ywm dua, thiab yooj yim dua rau kev ua haujlwm piv rau cov hlau uas muaj carbon nruab nrab lossis siab. Nws feem ntau hu ua "hlau mos" vim nws lub zog mos dua piv rau cov hlau uas tawv dua.

Cov Tshuaj Lom Zem

Cov khoom sib xyaw ntawm cov hlau tsis tshua muaj carbon feem ntau muaj xws li:

  • Cov pa roj carbon: 0.05% txog 0.25%

  • Manganese: 0.30% txog 0.90%

  • Silicon: txog li 0.40%

  • Sulfur thiab PhosphorusFeem ntau khaws cia qis dua 0.05% kom txo qhov brittleness

Cov khoom sib xyaw no ua rau cov hlau carbon qis yooj yim rau tshuab, vuam, thiab tsim ua ntau yam duab sib txawv.

Cov Khoom ntawm Cov Hlau Carbon Tsawg

1. Kev Ua Tau Zoo Siab

Cov hlau uas tsis muaj carbon ntau tuaj yeem ncab lossis khoov tau yam tsis tawg, ua rau nws siv tau zoo heev.

2. Kev vuam zoo

Cov ntsiab lus carbon tsawg ua rau nws yooj yim welded yam tsis muaj kev kho ua ntej lossis tom qab vuam.

3. Kev Siv Tau

Cov hlau uas tsis muaj carbon ntau yog cov hlau mos mos, ua rau yooj yim txiav, tho, thiab ua haujlwm.

4. Kev Siv Nyiaj Zoo

Vim tias nws muaj ntau yam thiab yooj yim tsim, nws yog ib hom hlau pheej yig tshaj plaws.

5. Lub zog nruab nrab

Txawm hais tias tsis muaj zog npaum li cov hlau carbon siab dua, nws muaj zog txaus rau ntau daim ntawv thov.

6. Kev Raug Mob Rau Kev Xeb

Cov hlau uas tsis muaj carbon ntau yuav yooj yim xeb yog tias tsis tau coated lossis alloyed nrog cov ntaub ntawv tiv thaiv.

Cov txiaj ntsig ntawm Cov Hlau Carbon Tsawg

  • Pheej yigpiv rau cov hlau sib xyaw lossis cov hlau tsis xeb.

  • Ntau yam siv tauhauv kev tsim, vuam, thiab kev tsim khoom.

  • Muaj ntau yamnyob rau hauv ntau hom xws li daim ntawv, phaj, tuav, thiab cov kav dej.

  • Kev ruaj khov rau ib puag ncigvim nws tuaj yeem rov ua dua tshiab.

Cov kev txwv

  • Lub zog tensile qis dua li cov hlau carbon nruab nrab lossis siab.

  • Tsis zoo hnav tsis kam piv rau cov hlau alloy.

  • Yuav tsum tau muaj cov txheej tiv thaiv los yog galvanizing kom tiv thaiv xeb.

Cov ntawv thov ntawm Cov Hlau Carbon Tsawg

Kev Lag Luam Tsim Kho

Siv rau hauv cov qauv tsim, cov ntoo, thiab cov pas nrig txhawb nqa vim nws yooj yim ntawm kev tsim khoom.

Kev Lag Luam Tsheb

Siv rau hauv cov vaj huam sib luag ntawm lub cev, chassis, thiab cov khoom siv uas qhov kev tsim tau yog qhov tseem ceeb.

Tshuab thiab Khoom Siv

Cov hlau carbon tsawg yog siv rau hauv bolts, txiv ntoo, saw, thiab cov khoom siv tshuab.

Cov kav dej thiab cov kav dej

Vim nws txoj kev vuam tau zoo, nws feem ntau siv rau hauv cov kav dej, cov kav roj, thiab cov raj xa dej.

Khoom Siv Hauv Tsev

Cov khoom xws li rooj tog, khoom siv hauv chav ua noj, thiab cov khoom siv hauv chav ua noj feem ntau muaj cov khoom siv hlau tsis muaj zog.

Kev Sib Piv Nrog Lwm Hom Carbon Steel

  • Cov Hlau Carbon Tsawg (0.05–0.25% C)- Ductile, weldable, pheej yig.

  • Hlau Carbon Nruab Nrab (0.25–0.60% C)- Lub zog siab dua, qis dua ductility.

  • Cov Hlau Carbon Siab (0.60–1.00% C)- Nyuaj heev, muaj zog, tab sis ua haujlwm tsis tau zoo.

Qhov ntau yam no qhia tau hais tias kev nce cov pa roj carbon ua rau lub zog zoo dua tab sis txo qhov ductility thiab weldability.

Kev Tsim Khoom ntawm Cov Hlau Carbon Tsawg

Cov txheej txheem ntau lawm muaj xws li:

  1. Ironmaking- Rho tawm cov hlau los ntawm cov hlau hauv lub cub tawg.

  2. Kev ua hlau- Ua kom cov hlau zoo hauv cov cua sov oxygen yooj yim lossis hluav taws xob arc kom tswj tau cov pa roj carbon.

  3. Kev ua yeeb yam- Kev ua kom cov hlau molten khov kho rau hauv cov billets, slabs, lossis paj.

  4. Dov/Tsim- Hloov cov hlau nyoos mus ua daim ntawv, cov kav dej, lossis cov kav dej.

  5. Kev Ua Tiav- Kev kho qhov chaw xws li galvanizing lossis pleev xim rau kev tiv thaiv xeb.

Cov Qauv rau Cov Hlau Carbon Tsawg

Cov hlau uas tsis muaj carbon ntau yog tsim tawm raws li cov qauv thoob ntiaj teb, xws li:

  • ASTM A36- Cov phaj hlau uas tsis muaj carbon ntau.

  • EN 10025 S235JR- Cov hlau tsis muaj zog hauv Tebchaws Europe.

  • JIS G3101 SS400- Tus qauv Nyiv rau cov hlau qauv dav dav.

  • IS 2062- Tus qauv Is Nrias teb rau cov khoom siv hlau tsis muaj zog.

Tiv Thaiv Cov Hlau Uas Tsis Muaj Carbon Los Ntawm Kev Xeb

Vim tias cov hlau tsis muaj zog yooj yim rau xeb, cov kev tiv thaiv suav nrog:

  • Kev kho kom zoo nkauj- Siv zinc los tiv thaiv kev xeb.

  • Kev pleev xim- Siv cov txheej txheem industrial.

  • Kev sib xyaw ua ke- Ntxiv chromium los yog nickel kom txhim kho kev tiv taus.

  • Kev Txij Nkawm Tsis Tu Ncua- Tiv thaiv kom tsis txhob muaj xeb nyob rau hauv cov chaw uas raug tshav ntuj.

Cov Lag Luam Uas Cia Siab Rau Cov Hlau Uas Tsis Muaj Carbon

  • Kev Tsim Kho- Cov choj, cov tsev, thiab cov khoom siv hauv paus.

  • Lub zog- Cov pej thuam xa xov, cov kav dej, thiab cov thoob cia khoom.

  • Kev Thauj Mus Los- Kev tsim nkoj, kev tsheb ciav hlau, thiab kev tsim tsheb.

  • Kev Tsim Khoom- Cov cuab yeej, tshuab, thiab cov khoom siv niaj hnub.

Cov Qauv Yav Tom Ntej

  • Kev tsim khoom zoo rau ib puag ncigsiv cov hlau rov ua dua tshiab thiab cov thev naus laus zis uas tsis muaj pa phem.

  • Cov txheej txheem siab heevlos txhim kho kev tiv thaiv corrosion.

  • Cov ntaub ntawv sib xyawkev sib xyaw ua ke ntawm cov hlau tsis muaj zog nrog cov khoom sib xyaw rau lub zog thiab cov txiaj ntsig sib dua.

Xaus lus

Cov hlau uas tsis muaj carbon ntau yog lub hauv paus tseem ceeb ntawm kev lag luam niaj hnub no. Nws tus nqi pheej yig, kev siv tau ntau yam, thiab kev yooj yim ua rau nws yog ib yam khoom tseem ceeb hauv kev tsim kho, tsheb, kev tsim khoom, thiab ntau yam kev siv. Txawm hais tias nws yuav tsis muaj lub zog siab tshaj plaws lossis kev tiv taus xeb, nws cov txiaj ntsig ntau dua li nws cov kev txwv hauv ntau yam kev siv.

Los ntawm kev nkag siab txog nws cov khoom thiab xaiv cov duab zoo thiab kev tiv thaiv, cov tuam txhab tuaj yeem ua kom muaj txiaj ntsig zoo tshaj plaws thiab kev ua tau zoo ntawm cov hlau qis carbon. Cov neeg muag khoom txhim khu kev qha zoo lisakysteeltxuas ntxiv muab cov khoom siv hlau tsis muaj carbon zoo uas ua tau raws li cov qauv thoob ntiaj teb, ua kom muaj kev nyab xeeb, ua haujlwm tau zoo, thiab kev ntseeg siab mus sij hawm ntev hauv ntau yam lag luam.

Lub sijhawm tshaj tawm: Lub Yim Hli-18-2025