Dab tsi yog qhov txawv ntawm ferrosilicon thiab ferro silicon calcium?

Hnub no tus nqi ntawm ferrosilicon exported los ntawm Tuam Tshoj
Unit: US dollars/ton
khoom	Hom	Nqe lus	sawv thiab poob	Lus ceeb toom
Ferrosilicon	72	1020-1040	--	FOB Tianjin Chaw nres nkoj
Ferrosilicon	75	1100-1120	--	FOB Tianjin Chaw nres nkoj

Dab tsi yog qhov txawv ntawm ferrosilicon thiab ferro silicon calcium?

 

🔍 Cov ntsiab lus ceev

Lub sij hawm	Lub Npe	Cov Cheebtsam	Kev siv yam
Ferrosilicon	Hlau -Silicon Alloy	Fe + Si (feem ntau 45%, 65%, 75% Si)	Deoxidation, alloying, inoculation
Ferro Silicon Calcium	Hlau-Silicon-Calcium Alloy	Fe + Si + Ca (feem ntau ~ 60% Si, ~ 30% Ca)	Muaj zog deoxidation, suav nrog kev hloov kho, spheroidization tswj

 

1️⃣ Kev sib xyaw ua ke

Khoom	Ferrosilicon (FeSi)	Ferro Silicon Calcium (FeSiCa)
Cov ntsiab lus tseem ceeb	Hlau (Fe), Silicon (Si)	Hlau (Fe), Silicon (Si), Calcium (Ca)
Hom Silicon Cov ntsiab lus	45%, 65%, 75% (los yog siab dua)	~55–65% Si
Calcium Cov ntsiab lus	Tsis muaj	25-35% Ca
Cov ntsiab lus hlau	Qhov seem (balance)	Tsawg dua FeSi ntshiab vim yog Ca ntxiv
Lwm Cov Ntsiab Lus	Tej zaum yuav muaj Al, C, P, S (nyob ntawm qib)	Feem ntau muaj me me Mg, Al, tsis tshua muaj ntiaj teb rau cov hlau nodular

➡️ Ntsiab Lus:

Covntxiv calciumnyob rau hauv Ferro Silicon Calcium muab nws tshwj xeeb metallurgical teebmeem uas dawb Ferrosilicon tsis muaj.

 

2️⃣ Lub luag haujlwm tseem ceeb & Metallurgical teebmeem

Muaj nuj nqi	Ferrosilicon (FeSi)	Ferro Silicon Calcium (FeSiCa)
Deoxidation	Siv tau - tshem tawm O ntawm molten steel / hlau	Ntau zog thiab ceev deoxidationvim kev sib xyaw ua ke Si + Ca
Ntxiv Kev Hloov Kho	Txwv - feem ntau yog silica (SiO₂) slag	Hloov cov oxide suav nrogmus rau hauv qis -melting calcium aluminosilicates → tshem tawm yooj yim dua, huv si hlau
Spheroidization Control (rau Nodular Hlau)	Tsis siv ncaj qha rau spheroidization; qee zaum raws li tus neeg nqa khoom	Cov cab kuj zoo heev rau Mg/Sr/Banyob rau hauv ductile hlau - tswj graphite zoo, txhim kho nodule suav
Kev tshem tawm sulfur	Tsis muaj teebmeem	Calcium reacts nrog sulfur→ pab txo cov ntsiab lus S hauv qee cov alloys
Graphite Shape hauv Cam khwb cia hlau	Txhawb nqa flake graphite (grey hlau)	Txhawb nqaspherical (nodular) graphitethaum ua ke nrog kev kho Mg

 

3️⃣ Qhov zoo sib piv

Qhov zoo	Ferrosilicon (FeSi)	Ferro Silicon Calcium (FeSiCa)
Nqi	Feem ntau pheej yig dua ib tuj	kim dua vim cov ntsiab lus calcium
Deoxidation Ceev	Zoo	Ceev thiab ua tiav ntau dua (Si + Ca synergy)
Kev huv huv ntawm Hlau	Nruab nrab	Kev huv siab dua vim muaj kev hloov pauv hauv kev suav nrog
Foundry Inoculation	Zoo heev rau grey hlau	Nyiam rauhlau hlauthiab complex inoculations
Qhov cuam tshuam rau Weldability	Txhim kho los ntawm kev tshem tawm O	Txhim kho ntau dua, ntxiv rau txo cov teeb meem cuam tshuam

 

4️⃣ Tej kev siv

Ferrosilicon (FeSi) siv

•Steelmaking:Deoxidation thiab alloying (lub zog, elasticity, corrosion kuj)

•Grey Cam khwb cia hlau:Inoculation rau refine graphite flakes

•Hluav taws xob hlau:Nce resistivity

•Vuam Electrodes:Txheej additive rau deoxidation

Ferro Silicon Calcium (FeSiCa) siv

•Cov Khoom Siv Hluav Taws Xob (Nodular) Hlau Ntau Lawm:Carrier rau Mg kev kho mob, tswj graphite nodule tsim

•Steelmaking:Advanced deoxidation thiab inclusion control nyob rau hauv siab -zoo steel

•Tshwj xeeb Alloys:Qhov twg cov hlau huv heev thiab hloov kho uas tsis yog{0}} yuav tsum muaj cov khoom siv hlau

•Foundries:Ua siab - zog, siab - ductility castings

 

5️⃣ Muaj cov ntaub ntawv cev nqaij daim tawv

Ob yam khoom tuaj nyob rau hauv ntau hom nyob ntawm daim ntawv thov:

Daim ntawv	Ferrosilicon	Ferro Silicon Calcium
Cov pob	✅ Yog	✅ Yog
Granules	✅ Yog	✅ Yog
Hmoov	✅ Yog (xws li rau vuam / inoculation)	✅ Yog (xws li rau kev kho kom raug)

Ntsiab lus:Ferrosilicon Lumps, FeSi granules, Ferro Silicon Calcium Hmoov, Calcium Ferro Silicon, CaSi alloy, Silicon Ferro, FeSiCa.

 

🔑 Summary Table: Qhov Tseem Ceeb Qhov txawv

Feature	Ferrosilicon (FeSi)	Ferro Silicon Calcium (FeSiCa)
Cov ntsiab lus	Fe + Si	Fe + Si + Ca
Silicon%	45–78%	~55–65%
Calcium%	0%	~25–35%
Kev siv tseem ceeb	Deoxidation, alloying, grey hlau inoculation	Spheroidization, advanced deoxidation, suav nrog tswj
Zoo tshaj rau	General steel / hlau ntau lawm	High - zoo steel, hlau hlau, tseem ceeb castings
Nqi	qis	Siab dua
Kev huv huv	Nruab nrab	Superior

 

🎯 Thaum twg xaiv qhov twg?

Xaiv Ferrosilicon (FeSi)yog:

Koj xav tauyooj yim deoxidationlos yogalloyinghauv steel

Koj ua taugrey cam khwb cia hlauthiab xav kom yooj yim inoculation

Tus nqi -kev ua tau zoo yog qhov tseem ceeb

Xaiv Ferro Silicon Calcium (FeSiCa)yog:

Koj xav tausuperior deoxidationthiabsuav nrog kev hloov khohauv steel

Koj ua tauductile (nodular) hlauthiab xav tau kev tswj graphite meej

Koj xav tauhlau huv heevrau siab -kev ua tau zoo (piv txwv li, automotive, aerospace castings)

 

✅ Kev xav zaum kawg

Ferrosilicon=Zoo rau kev deoxidation & alloying

Ferro Silicon Calcium=Cov cuab yeej muaj zog rau kev siv hlau ua haujlwm siab heev, tshwj xeeb tshaj yog nyob rau hauv kev tswj hwm thiab spheroidization teeb meem

Lawv yogntxives tsis yog interchangeable:

FeSiyog lub workhorse rau feem ntau steel thiab grey hlau hauj lwm.

FeSiCayog tus kws tshaj lij rau kev ua haujlwm siab -kawg steel huv thiab cov khoom siv hlau hlau.