Hauv kev lag luam steel niaj hnub, ntxiv rau ntawm cov ntsiab lus yog qhov tseem ceeb los txhim kho kev ua tau zoo ntawm cov hlau. Chromium, raws li ib qho tseem ceeb siv nyiaj ntau, tuaj yeem txhim kho cov corrosion tsis kam, hnav tsis kam thiab muaj kev ua haujlwm kub ntawm cov hlau. Cov roj carbon tsawg ntawm cov pa roj carbon Nws yog ib qho zoo alloy additive rau smelting stainless hlau, Alloy Steel thiab tshwj xeeb hlau.
Dab tsi yog tsawg-carbon ferriachrome?
Cov roj carbon ferriorome yog ib qho hlau alloy nrog cov roj ntsha roj cov ntsiab lus ntau thiab cov ntsiab lus muaj roj carbon tsawg. Cov ntsiab lus chromium feem ntau yog ntawm 65% -72%, thiab cov pa roj carbon monoxent cov ntsiab lus yog tswj tau ntawm 0.1% -0.5%. Piv nrog High-Carbon Ferrocrome (Carbon Cov Ntsiab Lus> 4%) thiab cov ntsiab lus carbon ferriachrome yog nws cov ntsiab lus muaj roj carbon tsawg tsawg.
Tshuaj lom neeg muaj pes tsawg leeg ntawm cov pa roj carbon ferriorome
Ntxiv rau cov ntsiab lus tseem ceeb chromium thiab hlau, cov hlau ferriorome feem ntau muaj cov nyiaj tsawg ntawm silicon, leej faj, phosphorus thiab lwm cov ntsiab lus. Cov qauv qauv qauv yog raws li hauv qab no:
- chromium (CR): 65% -72%
- carbon (c): ≤0,5% (feem ntau (feem ntau ntawm 0.1% -0.5%)
- siticon (si): ≤1.5%
- Sulfur (s): ≤0.04%
- phosphorus (p): ≤0.04%
- Hlau (FE): Tshuav
Cov khoom siv lub cev ntawm cov roj carbon ferrocrome
Tsawg-carbon ferriachrome muaj lub siab melting point (txog 1550-1650 ℃), ib qho ntom ntom ntawm 7.0-7. Piv nrog rau lwm cov alloys ferriorome, cov roj carbon ferriachrome muaj cov ntsiab lus carbide muaj txiaj ntsig zoo rau kev txhim kho nws cov kab ke thiab siv cov hlau Moltenization.
Cov txheej txheem ntau lawm ntawm cov roj carbon ferriorome
Tsoos smelting txoj kev
Tsoos txo qis-carbon ferriochrome ntau yog feem ntau aderrochrome ferrroidrome decarburization txoj kev thiab txhuas thermal txoj kev. Cov hau kev no ua ntej tsim cov peev txheej ferrochrome, thiab tom qab ntawd txo cov ntsiab lus carbon los ntawm cov txheej txheem oxidburization. Txawm li cas los xij, cov qauv no yog lub zog-ua kom muaj zog, kim heev, thiab muaj kev cuam tshuam tseem ceeb rau ib puag ncig.
Txhim Kho Niaj Hnub
Nyob rau hauv xyoo tas los, nrog kev txhim kho thev naus laus zis, cov txheej txheem tshiab xws li kev txo ncaj qha thiab ntshav smelting tau raug siv rau ntawm cov roj carbon ferriorome. Cov txheej txheem tshiab no tsis tsuas yog txhim kho cov khoom lag luam zoo, tab sis kuj tseem ceeb txo kev siv cov pa phem thiab cov pa phem ib puag ncig:
1. Txo txoj kev txo ncaj qha: siv txo cov neeg sawv cev (xws li cov pa roj carbon (sithing, txhuas los txhawm rau txhim kho cov ntsiab lus carbon.
2. Ntshav smelting txoj kev: Siv cov ntshav kub kub raws li cov cua sov thiab cua sov tau tswj hwm ultra ferriofome.
3. Electrolysis txoj kev: rho tawm los ntawm chromium ore los ntawm cov txheej txheem electrolytic, thiab tom qab ntawd txuam nrog cov roj ntsha uas muaj cov ntsiab lus muaj roj carbon ntau.
Qhov zoo ntawm cov roj carbon ferriorome
Cov tseem ceeb ntawm cov ntsiab lus muaj roj carbon tsawg
Qhov txiaj ntsig zoo tshaj plaws ntawm cov txiaj ntsig tsawg carbon ferriachrome yog nws cov ntsiab lus carbon qis, uas coj ntau cov peev txheej metallurgical thiab thov:
1. Zam kev tsim cov ntsiab lus carbide ntau dhau ntawm cov ntsiab lus carbide Siv cov roj carbon ferrroidrome muaj peev xwm tswj tau cov ntsiab lus carbon rau hauv cov hlau thiab kom tsis txhob muaj cov kev qhia zaub mov muaj roj carbon.
2. Txhim kho qhov huv si ntawm cov hlau: cov ntsiab lus tsis huv ntawm cov neeg tawg ntawv hauv cov roj carbon ferriachrome tsis huv, zoo tshwj xeeb hlau.
3. Txhim kho kev ua haujlwm ntawm cov hlau: cov ncauj lus me me txo qhov tsim ntawm cov carbides tawv thiab txhim kho cov khoom siv kub thiab txias ntawm cov hlau.
4. Txo cov teeb meem ntawm kev siv hlau vuam: cov ntaub ntawv tsawg heev tau txhim kho kev ua haujlwm ntawm cov hlau thiab txo cov kab nrib pleb thiab sawv ntsug tawg thaum lub sij hawm vuam.
Qhov zoo ntawm cov txheej txheem metallurgical
1
2. Kev rov ua haujlwm siab chromium (vim nws txoj kev ua kom zoo ntawm chromium ferriachrome ntxiv los ntawm kev siv high-carbon ferrocrome.
3. Kev tswj tau yog qhov yog: Cov pa roj carbon ferriorome yog pab kom tau ntau dua kev tswj hwm ntawm cov hlau kawg, tshwj xeeb tshaj yog rau cov kev xav tau nruj.
4. Txo cov txheej txheem decarburization: kev siv cov txheej txheem qis carbon ferriaroburome tuaj yeem txo lossis tshem cov txheej txheem decarburization, piv rau cov txheej txheem ntau lawm, thiab txo qis kev siv zog.
Cov kev pab nyiaj txiag thiab kev pom zoo ib puag ncig
1. Loj ntxiv cov nqi: Txawm hais tias tus nqi ntawm cov roj carbon ferrocrome yog siab dua li cov neeg muaj peev txheej ntau dua hauv kev tsim cov hlau siab.
2. Lub zog txuag thiab emission txo: kev siv cov pa roj carbon ferrumbreak tsawg tuaj yeem txo tau cov txheej txheem decarburization hauv cov hlau moltenization.
3. Ua kom cov kev pab cuam lub neej ntawm cov hlau: steel ua nrog cov neeg muaj peev xwm ntawm cov roj ntsha ferriachrome muaj kev pab cuam ntxiv, kev cuam tshuam ib puag ncig ntxiv lawm, kev cuam tshuam ib puag ncig.
Daim ntawv thov ntawm cov roj carbon ferrocrome hauv kev lag luam steel
Stainless hlau ntau lawm
Stainless hlau yog cov ntawv thov tseem ceeb tshaj plaws ntawm cov roj carbon ferrocrome. Hauv cov hlau stainless ntau lawm, cov pa roj carbon ferriorome yog tsuas yog siv rau:
1. Austenitic stainless hlau: xws li 304, 316 thiab lwm cov kab hlau tsis muaj pa roj carbon monoxide, kev siv cov pa roj carbon monoxide tsawg thiab tsis txhob muaj teeb meem corrosion.
2. Ferritic stainless hlau: xws li 430, 439 thiab lwm cov koob, cov pa roj carbon ferriachrome thiab corrosion tsis kam ntawm cov hlau.
3. Duplex Stainless hlau: xws li 2205 thiab lwm cov koob, cov pa roj carbon ferriachrome thiab kev ua tau zoo tshaj plaws.
4. Ultra-Tsawg Carbon Stainless Hlau: High-Xaus Cov Hlau Loj Nrog rau cov pa roj carbon ntau dua li 0.03%, tsawg cov ntsiab lus carbon ntau ntawm cov khoom kawg uas tau raws li tus qauv.
Tshwj Xeeb Hlau Ntau Lawm
1. Kev kub kub alloy steel: siv rau cov kub siab xws li cov tshuab hluav taws xob thiab roj av tshuab,
Cov pa roj carbon ferriorome tsawgMuaj peev xwm muab cov roj chromium txaus yam tsis qhia cov pa roj carbon ntau dhau.
2. Kev siv ntawm cov roj carbon ferrrochrome tuaj yeem ua kom muaj lub hardness thiab hnav tsis kam ntawm cov hlau.
3. Pwm Hlau: Qib Siab Pwm Hlau kom meej meej thiab tawv. Kev siv cov roj carbon ferrochrome pab txhim kho kev kho cua sov ntawm pwm hlau.
4. Steel Steel: Ntxiv cov pa roj carbon ferrochrome tuaj yeem txhim kho lub zog qaug zog thiab kev pabcuam lub neej ntawm lub caij nplooj ntoo hlav steel.
Kev Kub Kub Kub Kub-Resistant Cov Khoom Siv
1. Cov tshuaj tiv thaiv tshav kub-resistant cam steel: siv rau kev kub-tsev, twj tso kua mis thiab lwm feem. Kev siv cov roj carbon ferrochrome pab txhim kho nws qhov kev kub siab thiab oxidation tsis kam.
2. Kev tiv thaiv tshav kub-assistant alloys: xws li cobalt-based thiab cobalal-based tshav kub-resistant alloys yog qhov tseem ceeb ntawm cov khoom siv.
Raws li cov ntaub ntawv tseem ceeb ferrroalloy, cov roj carbon ferrrochrome plays ib lub luag haujlwm me irreplaces nyob rau hauv kev lag luam hlau thiab metallurgical nrog nws cov ntsiab lus zoo ntawm cov ntsiab lus muaj roj carbon tsawg. Nws tsis yog tsuas yog cov khoom siv tseem ceeb rau kev tsim cov hlau zoo stainless hlau thiab tshwj xeeb hlau, tab sis kuj tseem dav kev tsim khoom lag luam xws li kev lag luam tshuaj, hwj chim, aerospace, thiab lwm yam.
.png)
