Nyob rau hauv niaj hnub industrial metallurgy, tswj qhov tseebTshuaj muaj pes tsawg leeg ntawm FeSi70ua lub luag haujlwm tseem ceeb rau kev ua tiav siab -yield steel deoxidation thiab zoo ib yam microstructural alloying. Sawv cev qhov sib npaug tseem ceeb ntawm kev ua tau zoo thiab cov khoom siv raw kev lag luam, qib 70% ferrosilicon muab txoj hauv kev zoo los qhia silicon yam tsis ntxiv cov ntsiab lus tramp ntau dhau rau lub ladle cub. Raws li lub ntiaj teb tsimindustrial silicon hlau chaw tsim tshuaj paus exporttus thawj coj thiab tus kws tshaj lij ferroalloy, ZhenAn xa cov kev ntsuam xyuas ntawm FeSi70, piav qhia txog nws cov tshuaj pleev ib ce, qib siab kam rau ua, thiab cov ntawv thov kev lag luam raws li qhov tseeb 2026 tsim qauv. Los ntawm hnyav structural steel mills siv bulkmetallurgical ferrosilicon granulesrau precision foundries yuav tsum tau aRaws li FeSi alloy muaj pes tsawg leeg, phau ntawv qhia no muab cov ntaub ntawv tsim nyog rau kev txiav txim siab kev yuav khoom.
Rau qhov kev cai sib piv, txheeb xyuas qhov thib peb - tog neeg soj ntsuam cov ntaub ntawv, los yog ceev cov ntaub ntawv thauj khoom ceev, thov hu rau peb cov neeg ua haujlwm pabcuam thoob ntiaj teb:
Email: market@zanewmetal.com
WhatsApp / WeChat: +86 15518824805
Lub Chemical Composition ntawm FeSi70 yog dab tsi thiab txhais li cas?
Tus txheej txheem metallurgical alloy hu ua FeSi70 yog siab - ntom, crystalline binary ferroalloy yam ntxwv los ntawm cov nyiaj - grey metallic tsos. Nws tau tsim tshwj xeeb tsim kom xa cov nominal elemental silicon concentration ntawm 70%, nrog rau qhov seem tshuav uas yog feem ntau ntawm siab -purity hlau thiab tswj kom muaj nuj nqis ntawm cov kab impurities. Muab faib raws li kev lis kev cai thoob ntiaj teb nyob rau hauv HS Code 7202.2100, nws lub luag haujlwm tseem ceeb yog los ua kev lag luam, ceev ceev -solvingsteelmaking deoxidizer FeSi.
Tsis zoo li tus qauv siab -qibferrosilicon 75 specification(FeSi 75%) matrices lossis qis dua -tierFeSi 72 qib khoom muagprofiles, FeSi70 yog ua tib zoo tsim los muab kev pom zoo silicon-rau- hlau piv. Qhov tshwj xeeb muaj pes tsawg leeg no pab txo cov nqi ntawm cov khoom siv thaum muab qhov tsim nyog exothermic tshav kub uas yuav tsum tau yaj zoo nyob rau hauv cov kua steel da dej thaum lub sij hawm ladle ua hauj lwm.
Dab tsi yog Cov Txheej Txheem Ntau Lawm rau Kev Ua Tau Zoo FeSi70 Cov Tshuaj Muaj Zog?
Sourcing siab -uniformity FeSi70 alloys yuav tsum nruj tswj hwm cov khoom siv raw thiab cov khoom siv hluav taws xob faib tsis pub dhau lub qhov cub hluav taws xob submerged:
- Charge Proportioning thiab Balance:Xaiv cov silica quartz blocks (SiO₂> 99.0%) yog ua tib zoo ua ke nrog qis-purity hlau seem los yog zeb nplai, thiab carbonaceous reductants xws li semi-coke lossis charcoal. Cov neeg saib xyuas kev yuav khoom feem ntau qhia meejqis Al ferrosiliconinputs kom downstream aluminium inclusions kom tsawg.
- Electrothermal Submerged Smelting:Cov khoom sib xyaw yog txuas ntxiv mus rau hauv qhov cub multi-megawatt. Siab -tam sim no cov pa roj carbon electrodes tsim cov thermal zog mus txog 1800℃-1950 degree, rhuav tshem cov tshuaj sib txuas ntawm silica los ua kua hlau thiab silicon:
SiO₂ + 2C + Fe → FeSi + 2CO↑ - Ladle Oxidation Refining:Cov hlau molten yog tapped rau hauv ib lub thawv preheated ladle. Oxygen lances lossis hluavtaws fluxes yog siv los ua kom zoo dua thiab kho cov qib aluminium thiab calcium kom qis rau lub hom phiaj qhov rais ua ntej casting.
- Txias, Crushing, thiab Sizing:Txhawm rau tiv thaiv cov txheej txheem sib cais thaum lub sijhawm khov, cov kua alloy yog nchuav rau hauv cov txaj ntiav ntiav. Tom qab txias, nws yog crushed rau hauv ib tug qauvpob ferrosilicon loj 10-50mm, 1-3 mmgranulated FeSi alloyfeem, los yog npluaFeSi hmoov 100 meshconfiguration nyob ntawm steel zeb lub them system.
Yuav Ua Li Cas Cov Kev Qhia Tshwj Xeeb thiab Cov Ntsiab Cai ntawm FeSi70 Kev Ntsuam Xyuas?
Kev lag luam yuav pab pawg npaj thiab tshuaj xyuas covTshuaj muaj pes tsawg leeg ntawm FeSi70Raws li qhov feem pua ntawm nws cov ntsiab lus tseem ceeb thiab kab kawm:
Qib Silicon Primary (Si Range):Feem ntau yog nyob nruab nrab ntawm 68.0% thiab 72.0%. Qhov tshwj xeeb tshwj xeeb no muab qhov kev xav tau ntawm silicon ntxiv rau kev kho chemistry hauv cov qauv hlau thiab kev ua haujlwm casting.
Thawj Iron Balance (Fe Cov Ntsiab Lus):Muaj cov seem 26.0% mus rau 30.0% ntawm cov hlau matrix, ua raws li cov cab kuj hnyav uas pab cov alloy dab dej los ntawm cov slag txheej rau hauv cov kua hlau.
Aluminium Cov ntsiab lus tswj (Al Threshold):Feem ntau txwv kom tsawg dua lossis sib npaug li 1.5% lossis tsawg dua lossis sib npaug li 2.0% rau cov qauv siv, tab sis tuaj yeem txwv qis dua 0.10% los tsimsiab purity ferrosilicon alloyvariants rau siab -kev huv huv steel ntau lawm.
Trace Tramp Elements (P, S, C):Khaws nyob rau hauv nruj siab siab kam rau ua (piv txwv li, P Tsawg dua los yog sib npaug rau 0.04%, S Tsawg dua los yog sib npaug rau 0.02%, C Tsawg dua los yog sib npaug rau 0.15%) los tiv thaiv cov ntsiab lus los ntawm kev ua rau embrittlement lossis cov yam ntxwv tsis xws luag hauv cov khoom hlau kawg.
Dab tsi yog Cov Txheej Txheem Kev Qhia Tshwj Xeeb rau Cov Tshuaj Muaj Zog ntawm FeSi70?
Cov txheej txheem kev ntsuas hauv qab no qhia txog cov tshuaj muaj pes tsawg leeg uas yuav tsum tau muaj thiab cov kev txwv kev zam rau FeSi70 piv rau qib ferrosilicon uas nyob ib sab, ua raws li 2026 cov txheej txheem soj ntsuam thoob ntiaj teb:
| Qib lag luam | Ntau yam (%) | Fe Target (%) | Al Max (%) | P Max (%) | S Max (%) | C Max (%) |
|---|---|---|---|---|---|---|
| FeSi70 Txuj | 68.0% – 72.0% | 26.0% – 30.0% | 1.50% | 0.040% | 0.020% | 0.15% |
| FeSi70 Tsawg-Al | 69.0% – 72.0% | 26.5% – 29.5% | 0.50% | 0.035% | 0.015% | 0.08% |
| FeSi72 | 72.0% – 75.0% | 23.0% – 26.0% | 1.50% | 0.040% | 0.020% | 0.15% |
| FeSi 75 | 74.0% – 80.0% | 18.0% – 22.0% | 2.00% | 0.035% | 0.020% | 0.10% |
Tshaj li nws siv hauv steelmaking, FeSi70 ua haujlwm ua cov tshuaj tshwj xeeb txo tus neeg sawv cev hauv kev rho tawm ntawm cov hlau tsis yog -ferrous. Hauv cov txheej txheem Pidgeon rau kev tsim cov hlau nplaum magnesium, av ferrosilicon hmoov yog tov nrog calcined dolomite blocks. Nyob rau hauv lub tshuab nqus tsev siab thiab kub kub, cov silicon nyob rau hauv lub FeSi70 matrix txo magnesium oxide, tsim cov ntshiab magnesium vapor uas yog crystallized rau hauv siab - qib engineering ingots.
Tsis tas li ntawd, tshwj xeebTsawg carbon FeSi alloyconfigurations yog siv raws li ntom media sib cais (DMS) cov neeg ua hauj lwm nyob rau hauv cov ntxhia ua circuits. Milled rau hauv nplua particle distributions, cov khoom sib nqus cov yam ntxwv thiab lub ntiajteb txawj nqus tshwj xeeb tso cai rau cov kws kho mob los tsim cov kev ncua ruaj khov rau kev sib cais cov pob zeb ntom ntom ntawm cov pob zeb pov tseg los ntawm cov xov xwm hnyav.
Lub luag haujlwm tseem ceeb ntawm FeSi70 hauv Metallurgical thiab Foundry Frameworks yog dab tsi?
Nyob rau hauv converter steelmaking thiab ladle metallurgy, FeSi70 hloov da dej tej yam kev mob los ntawm ob lub ntsiab metallurgical ua:
- Melt Deoxidation:Raws li ib tug muaj zog deoxidizing tus neeg sawv cev, lub elemental silicon dissolves rau hauv cov kua hlau thiab reacts nrog yaj oxygen. Qhov no tsim cov khoom siv silicon dioxide (SiO₂) cov khoom uas ntab rau hauv txheej slag nto, tiv thaiv cov pa roj cua hauv qab thiab txhim kho kev huv tag nrho ntawm cov hlau matrix.
- Graphitization Inoculation:Thaum siv raws li ib tugferrosilicon rau castingadditive nyob rau hauv grey thiab ductile hlau hlau foundries, nws muab qhov tsim nyog nucleation qhov chaw rau graphite crystallization thaum khov. Cov nyhuv graphitizing no tiv thaiv kev tsim cov nkig hlau carbides, txhim kho lub machinability thiab tensile toughness ntawm tiav castings.
Yuav Ua Li Cas FeSi70 thiab High -Qib FeSi75 Sib piv Analytically?
Kev xaiv ntawm FeSi70 thiab FeSi75 yuav tsum tau ntsuas tshuaj ua haujlwm thiab cov txheej txheem thermodynamics:
- Silicon Mass Delivery:FeSi75 muab qhov siab dua ntawm silicon rau ib chav tsev qhov hnyav, uas txo tag nrho cov khoom txias ntxiv rau lub ladle. Qhov no txo qis qhov kub thiab txias hauv cov kua dej da dej thaum lub sijhawm ua haujlwm luv luv.
- Cov Nqi Them Nqi Ua Haujlwm:FeSi70 muaj ntau cov hlau, ua rau nws yooj yim dua los tsim thiab yuav khoom. Rau steel mills nrog txaus ladle cua sov muaj peev xwm, siv aruaj khov muaj pes tsawg leeg FeSiQib 70 muab tus nqi- siv tau zoo rau kev deoxidation niaj hnub yam tsis muaj kev cuam tshuam cov khoom zoo kawg nkaus.
Ferrosilicon FeSi70 vs Silicon Hlau thiab FeSiZr: Lawv Cov Kev Sib Txawv Zoo Li Cas?
Cov chaw yuav khoom yuav tsum paub meej qhov txawv ntawm tus qauv ferrosilicon los ntawm cov kev xaiv muaj xws li cov hlau ntshiab silicon thiabferrosilicon zirconium (FeSiZr):
Elemental pleev:Cov hlau ntshiab silicon yog ib yam khoom uas tsis yog -ferrous ib leeg- cov khoom lag luam (Si Ntau dua lossis sib npaug li 98.5%) tsim los tiv thaiv cov hlau ntxiv. FeSi70 yog ib qho hlau-silicon binary ferroalloy uas muaj 26%-30% hlau. Ferrosilicon Zirconium yog ib qho tshwj xeeb ntau- cov khoom siv inoculant alloy uas muaj 2%-6% zirconium.
Primary Industrial Applications:Ntshiab silicon hlau yog yuav tsum tau rau non{0}}ferrous aluminium alloy casting thiab tshuaj silicone synthesis. FeSi70 ua haujlwm feem ntau yog pawg- ntim deoxidizer hauv carbon steel ntau lawm. Ferrosilicon Zirconium yog siv los ua ladle inoculant nyob rau hauv grey thiab ductile hlau foundries los refine graphite flake morphology thiab tshem tawm nyuaj chilling tsis xws luag raws nyias seem.
ib - nres kev daws teeb meem
pab neeg tshaj lij
siab zoo
Daim Ntawv Qhia Txog Kev Tshawb Fawb Txog Kev Yuav FeSi70 Ferrosilicon
Txhawm rau kom ntseeg tau tias silicon cov nyiaj rov qab siab, tiv thaiv cov hlau huv huv, thiab tswj kev tsim khoom zoo ib yam, ZhenAn cov kws tshaj lij kev muag khoom pom zoo kom siv cov kev tswj xyuas zoo hauv qab no:
- Xyaum Cov Neeg Sawv Cev Cov Tub Ntxhais Kawm Txuj Ci:Tsis txhob sim tsuas yog los ntawm txheej saum toj kawg nkaus ntawm lub hnab xa khoom. Ua raws li cov txheej txheem kev kuaj xyuas raws li ISO 4552 txhawm rau kos cov qauv tseem ceeb thoob plaws tag nrho cov khoom xa tuaj, ua kom cov tub ntxhais chemistry sib tw rau saum npoo kev tsom xam thiab kuaj xyuas qhov muaj peev xwm sib cais.
- Tshawb xyuas cov tshuaj ua raws li kev sim niaj hnub:Kev tswj xyuas tshuaj lom neeg siv X-ray Fluorescence (XRF) lossis Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-}OES) kom raug daim ntawv qhia kab tsis huv xws li txhuas, phosphorus, thiab sulfur ua ntej tso cai qhov chaw nres nkoj kawg.
- Match Size Distribution rau koj cov khoom siv them nqi:Thaum xaj los ntawm aferrosilicon tsum, xaiv tus qauv 10-50mm lumps rau bulk furnace ntxiv kom txo qis oxidation hlawv -tawm poob ntawm slag nto, los yog xaiv cov granules sib xws rau cov kab nruam txhaj tshuaj.
Cov Lus Nug Txog Cov Lus Nug: Cov Kev Pom Zoo Tseem Ceeb Ntawm Cov Tshuaj Muaj Zog ntawm FeSi70
Q1: Dab tsi yog cov tshuaj muaj pes tsawg leeg ntawm FeSi70 ferrosilicon?
A1:Cov tshuaj muaj pes tsawg leeg ntawm tus qauv FeSi70 ferrosilicon yog tsim los xa cov nominal silicon concentration ntawm 68.0% thiab 72.0%. Thawj qhov seem tshuav yog tsim los ntawm siab -purity metallic hlau, uas feem ntau suav rau 26.0% mus rau 30.0% ntawm cov hlau alloy. Cov ntsiab lus tau ua tib zoo tswj hwm thiab txwv tsis pub tsawg tshaj plaws, feem ntau suav nrog Aluminium Tsawg dua lossis sib npaug li 1.50%, Phosphorus Tsawg dua lossis sib npaug li 0.040%, Sulfur Tsawg dua lossis sib npaug rau 0.020%, thiab Carbon Tsawg dua lossis sib npaug li 0.15%. Qhov kev sib npaug tshwj xeeb no ua kom cov khoom siv ua haujlwm tau zoo raws li cov khoom siv ntxiv rau steel deoxidation thiab tshuaj txo cov txheej txheem.
Q2: Dab tsi yog tus qauv silicon, hlau, thiab impurity theem hauv FeSi70?
A2:Raws li cov txheej txheem thoob ntiaj teb zoo, tus qauv FeSi70 yuav tsum tswj hwm nws cov qib silicon hauv lub qhov rais nruj 68% -72%. Qhov sib npaug ntawm cov hlau yog khaws cia ntawm 26% thiab 30% txhawm rau muab qhov tsim nyog ntom ntom rau cov hlau rau hauv av los ntawm qhov cub tawg slag. Cov theem impurity yog txwv los ntawm nruj tshaj plaws lub kaus mom ntau dua li cov hom phiaj; Piv txwv li, manganese raug txwv kom tsawg dua lossis sib npaug li 0.50%, chromium khaws cia qis dua lossis sib npaug li 0.50%, thiab cov ntsiab lus xws li phosphorus thiab sulfur tau tuav kom qis qis kom tsis txhob muaj kev cuam tshuam tsis zoo rau cov khoom siv ntawm cov hlau tiav.
Q3: Dab tsi yog cov ntsiab lus txhuas hauv FeSi70 ferrosilicon?
A3:Hauv cov qauv kev lag luam FeSi70 kev xa khoom, cov ntsiab lus txhuas raug txwv rau qhov siab tshaj plaws ntawm 1.50% lossis 2.00%. Txawm li cas los xij, rau cov ntawv thov tshwj xeeb huv huv, cov tuam txhab tsim cov khoom qis - txhuas FeSi70 variants los ntawm cov txheej txheem ua haujlwm ladle refining. Cov qib tshwj xeeb no txwv cov txhuas kom siab tshaj plaws ntawm 0.50%, 0.20%, lossis 0.10%. Qhov kev tswj hwm nruj no pab tiv thaiv kev tsim cov alumina nkig (Al₂O₃) cov khoom sib xyaw ua ke, uas tuaj yeem txhaws cov nruam nruam los yog ua rau muaj qhov tsis xws luag hauv cov khoom siv steel siab.
Q4: Cov qib carbon, sulfur, thiab phosphorus cuam tshuam li cas rau FeSi70 zoo?
A4:Cov pa roj carbon, sulfur, thiab phosphorus theem ncaj qha cuam tshuam rau qhov zoo ntawm FeSi70 vim tias cov ntsiab lus no tuaj yeem qhia qhov tsis xws luag rau hauv chav da dej steel yog tias tsis tswj tau zoo. Cov pa roj carbon ntau tuaj yeem cuam tshuam cov chemistry ntawm ultra- qib qis carbon steel. Cov phosphorus ntau dhau tuaj yeem ua rau txias luv thiab brittleness raws li cov ciam teb, thaum nce qib sulfur tuaj yeem tsim qis-sulphides uas ua rau kub luv thiab tawg thaum kub dov. Kev tuav cov kab no hauv qab tus qauv siab tshaj plaws yog qhov tseem ceeb rau kev ua kom muaj kev ua tau zoo ntawm - metallurgy.
Q5: Vim li cas kev tswj cov tshuaj muaj pes tsawg leeg tseem ceeb rau FeSi70 steelmaking daim ntaub ntawv?
A5:Kev tswj cov tshuaj muaj pes tsawg leeg nruj yog qhov tseem ceeb vim tias cov txheej txheem steelmaking nyob ntawm seb cov tshuaj muaj pes tsawg leeg thiab cov thermal tshuav nyiaj li cas. Thaum xam cov alloy ntxiv rau lub cub tawg, metallurgists cia siab rau qhov feem pua ntawm silicon kom ua tiav cov hom phiaj deoxidation thiab cov tshuaj lom neeg tshwj xeeb. Yog tias cov ntsiab lus silicon txawv ntawm qhov kev txwv tsis pub dhau, nws tuaj yeem ua rau tsis tiav deoxidation, ua rau subsurface blowhole defects, los yog ua rau unpredictable exothermic kub hloov uas cuam tshuam lub sij hawm nruam casting.
Q6: FeSi70 muaj pes tsawg leeg piv nrog rau lwm qib ferrosilicon li cas?
A6:FeSi70 nyob nruab nrab -tier txoj hauj lwm nyob rau hauv tus txheej txheem ferrosilicon grading system. Piv rau tus qauv FeSi72 (72.0%–75.0% Si) lossis siab -qib FeSi75 (74.0%–80.0% Si), FeSi70 muaj ntau cov hlau thiab tsawg silicon. Qhov no ua rau nws tus nqi ntau dua - kev xaiv zoo rau niaj hnub deoxidation hauv cov qauv carbon steel ntau lawm. Thaum nws muab cov cua kub me ntsis tsawg dua thaum lub sij hawm tawg dua li FeSi75, nws muab cov kev ua tau zoo thiab muaj txiaj ntsig zoo rau cov mills uas muaj peev xwm txaus ladle cua sov.
Q7: Cov kev sim twg yog siv los txheeb xyuas FeSi70 tshuaj lom neeg muaj pes tsawg leeg?
A7:Niaj hnub nimno cov chaw soj nstuam xyuas cov tshuaj muaj pes tsawg leeg ntawm FeSi70 siv cov cuab yeej tshuaj ntsuam xyuas kom raug. X-ray Fluorescence (XRF) spectrometry yog dav siv rau kev ceev, tsis yog -kev puas tsuaj ntawm thawj silicon, hlau, thiab macro- impurities. Rau ultra- taug qab ntawm qis- theem cov ntsiab lus xws li phosphorus, sulfur, thiab boron, cov kws tshaj lij siv Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES) lossis carbon-sulfur combustion analyzers. Cov kev sim siab tshaj plaws no muab kev pov thawj tseeb tias txhua pawg sib tw nrog cov ntawv cog lus tshwj xeeb.
Q8: Yuav ua li cas cov neeg yuav khoom ntsuas FeSi70 zoo raws li kev txheeb xyuas muaj pes tsawg leeg?
A8:Cov neeg yuav khoom ntsuas FeSi70 qhov zoo los ntawm kev tshuaj xyuas peb qhov tseem ceeb ntawm daim ntawv qhia tshuaj ntsuam:
1. Silicon Cov ntsiab lus sib xws:Kev kuaj xyuas tias qib silicon poob rau hauv lub qhov rais daim ntawv cog lus (xws li, 68% – 72%) kom ntseeg tau tias qhov kev sib tw alloy ntxiv thiab kev ua haujlwm deoxidation.
2. Trace Impurity Ua Raws:Xyuas kom tseeb tias cov khoom xws li txhuas, phosphorus, thiab sulfur nyob nyab xeeb hauv qab lub kaus mom siab tshaj plaws kom tiv thaiv kev huv ntawm steel.
3. Sizing thiab huv:Ua hauj lwm nrog ib tus neeg muag khoom txhim khu kev qha kom ntseeg tau tias cov khoom tsis pub dawb los ntawm kev pom cov slag los yog cov hmoov av zoo, uas tuaj yeem ua rau cov khoom siv teeb meem los yog txo cov nqi silicon thaum lub sij hawm yaj.
Mus saibhttps://www.metal-alloy.com/kom paub ntau ntxiv txog cov khoom. Yog tias koj xav paub ntau ntxiv txog tus nqi khoom lossis xav tau kev yuav khoom, thov emailmarket@zanewmetal.com. Peb yuav tau rov qab rau koj sai li sai tau thaum peb pom koj cov lus.
ZhenAn Metallurgy & Cov Khoom Siv Tshiab Daim Ntawv Pov Thawj
