Hlau yog dab tsi?
Hlau yog ib qho hlau sib xyaw ntawm Hlau thiab lub ntsiab lus tseem ceeb (lub ntsiab lus tseem ceeb) yog Carbon. Txawm li cas los xij, muaj qee qhov kev zam rau qhov kev txhais no zoo li cov hlau tsis muaj interstitial (IF) thiab hom 409 ferritic stainless hlau, uas carbon raug suav hais tias yog qhov tsis huv.
Dab tsi yog Alloy?
Thaum cov ntsiab lus sib txawv sib xyaw ua ke me me hauv cov ntsiab lus tseem ceeb, cov khoom tshwm sim hu ua kev sib xyaw ntawm cov ntsiab lus tseem ceeb. Yog li ntawd, hlau yog kev sib xyaw ntawm Hlau vim Hlau yog cov ntsiab lus tseem ceeb (cov khoom tseem ceeb) hauv hlau thiab cov ntsiab lus tseem ceeb yog Carbon. Qee cov ntsiab lus xws li Manganese, Silicon, Nickel, Chromium, Molybdenum, Vanadium, Titanium, Niobium, Aluminium, thiab lwm yam kuj tau ntxiv rau hauv ntau yam kom tsim cov qib sib txawv (lossis hom) ntawm Hlau.
Jindalai (Shandong) Steel Group Co., Ltd. yog ib lub tuam txhab tshwj xeeb thiab yog tus xa khoom loj ntawm cov hlau thiab stainless hlau bars/kab yeeb nkab/coils/phaj. Xa koj cov lus nug thiab peb yuav zoo siab los sab laj nrog koj.
Cov Hlau Sib Txawv Yog Dab Tsi?
Raws li cov tshuaj lom neeg sib xyaw, Hlau tuaj yeem muab faib ua plaub (04) hom yooj yim:
● Cov Hlau Carbon
● Hlau tsis xeb
● Cov Hlau Sib Xyaws
● Cov Hlau Cuab Yeej
1. Cov Hlau Carbon:
Cov hlau carbon yog cov hlau uas siv ntau tshaj plaws hauv kev lag luam thiab suav txog ntau dua 90% ntawm tag nrho cov hlau tsim tawm. Raws li cov ntsiab lus carbon, cov hlau carbon raug muab faib ua peb pawg.
● Hlau Carbon Tsawg/Hlau Me
● Cov Hlau Carbon Nruab Nrab
● Cov hlau Carbon siab
Cov ntsiab lus carbon yog muab rau hauv lub rooj hauv qab no:
| Tsis yog. | Hom hlau carbon | Feem pua ntawm Cov Pa roj carbon |
| 1 | Cov Hlau Carbon Tsawg / Cov hlau me me | Txog li 0.25% |
| 2 | Hlau Carbon Nruab Nrab | 0.25% txog 0.60% |
| 3 | Cov hlau carbon siab | 0.60% txog 1.5% |
2. Hlau tsis xeb:
Cov hlau tsis xeb yog cov hlau sib xyaw uas muaj 10.5% Chromium (Yam tsawg kawg nkaus). Cov hlau tsis xeb ua rau pom cov yam ntxwv tiv taus xeb, vim yog kev tsim cov txheej nyias nyias ntawm Cr2O3 ntawm nws qhov chaw. Cov txheej txheem no kuj hu ua txheej passive. Kev nce ntxiv ntawm Chromium yuav ua rau cov khoom tiv taus xeb ntau ntxiv. Ntxiv rau Chromium, Nickel thiab Molybdenum kuj tseem ntxiv rau kom muab cov yam ntxwv xav tau (lossis txhim kho). Cov hlau tsis xeb kuj muaj ntau yam Carbon, Silicon, thiab Manganese.
Cov hlau tsis xeb kuj raug cais ntxiv ua;
1. Cov Hlau Stainless Ferritic
2. Cov Hlau Stainless Martensitic
3. Cov Hlau Stainless Austenitic
4. Cov Hlau Stainless Duplex
5. Cov Hlau Stainless Uas Ua Rau Nag Los-Ua Kom Ruaj (PH)
● Cov Hlau Stainless Ferritic: Cov hlau Ferritic muaj cov hlau sib xyaw Iron-Chromium nrog cov qauv siv lead ua cubic (BCC) uas nyob hauv nruab nrab ntawm lub cev. Cov no feem ntau yog hlau nplaum thiab tsis tuaj yeem ua kom tawv los ntawm kev kho cua sov tab sis tuaj yeem ua kom muaj zog los ntawm kev ua haujlwm txias.
● Cov Hlau Tsis Xeb Austenitic: Cov hlau Austenitic tiv taus xeb tshaj plaws. Nws tsis yog hlau nplaum thiab tsis kho tau kub. Feem ntau, cov hlau austenitic tuaj yeem vuam tau zoo heev.
● Cov Hlau Tsis Muaj Hlau Martensitic: Cov hlau tsis muaj hlau Martensitic muaj zog heev thiab tawv tab sis tsis tiv taus xeb zoo li ob pawg. Cov hlau no siv tau rau kev siv tshuab, sib nqus, thiab kho tau kub.
● Cov Hlau Stainless Duplex: Cov hlau stainless Duplex muaj cov qauv microstructure ob theem uas muaj cov noob ntawm cov hlau stainless ferritic thiab austenitic (piv txwv li Ferrite + Austenite). Cov hlau Duplex muaj zog li ob npaug ntawm cov hlau stainless austenitic lossis ferritic.
● Cov Hlau Stainless Uas Ua Rau Nag Los-Kho Kom Ruaj (PH): Cov Hlau Stainless Uas Ua Rau Nag Los-Kho Kom Ruaj (PH) muaj lub zog siab heev vim yog ua kom nag los-kho kom ruaj.
3. Cov Hlau Sib Xyaws
Hauv cov hlau sib xyaw, ntau yam sib txawv ntawm cov khoom sib xyaw yog siv, kom ua tiav cov khoom xav tau (txhim kho) xws li weldability, ductility, machinability, lub zog, hardenability thiab corrosion resistance, thiab lwm yam. Qee qhov ntawm cov khoom sib xyaw feem ntau siv thiab lawv cov teebmeem yog raws li nram no;
● Manganese - Ua kom muaj zog thiab tawv dua, txo qhov ductility thiab weldability.
● Silicon - Siv ua cov tshuaj deoxidizers siv rau hauv cov txheej txheem ua hlau.
● Phosphorus - Ua kom lub zog thiab qhov tawv ntxiv thiab txo qhov ductility thiab notch impact toughness ntawm hlau.
● Sulfur - Txo qhov ductility, notch impact toughness, thiab weldability. Pom nyob rau hauv daim ntawv ntawm sulfide inclusions.
● Tooj liab - txhim kho kev tiv thaiv xeb.
● Nickel - Ua rau cov hlau tawv thiab muaj zog dua.
● Molybdenum - Ua rau kom tawv thiab ua rau cov hlau uas tsis muaj hlau ntau tsis yooj yim nkag mus.
4. Cov Hlau Cuab Yeej
Cov hlau siv rau cov cuab yeej muaj cov pa roj carbon ntau (0.5% txog 1.5%). Cov pa roj carbon ntau dua ua rau muaj qhov tawv thiab lub zog ntau dua. Cov hlau no feem ntau yog siv los ua cov cuab yeej thiab cov pwm. Cov hlau siv rau cov cuab yeej muaj ntau yam tungsten, cobalt, molybdenum, thiab vanadium los ua kom cov hlau kub thiab hnav tsis kam, thiab ruaj khov. Qhov no ua rau cov hlau siv rau cov cuab yeej zoo heev rau kev siv ua cov cuab yeej txiav thiab khawb.
Jindalai Steel Group muaj cov khoom siv hlau zoo tshaj plaws hauv kev lag luam. Jindalai tuaj yeem pab koj xaiv cov khoom siv hlau kom haum rau koj kom koj tau txais yam koj xav tau sai li sai tau thaum koj yuav. Yog tias koj tab tom yuav cov khoom siv hlau, thov kom lawv muab tus nqi rau koj. Peb yuav muab ib qho uas yuav tau cov khoom uas koj xav tau sai.
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Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-19-2022
