Tus nqi tam sim no ntawm Calcium Silicon Ib Tuj Yog Dab Tsi? Silicon Thiab Calcium Siv Hauv Steelmaking Thiab Casting Li Cas?
Tso lus
Tus nqi tam sim no ntawm Calcium silicon ib tuj yog dab tsi?
| Cov ntsiab lus ntawm Tuam Tshoj silicon-calcium, silicon-barium, thiab metallic calcium ua lag luam nqi txij li lub Plaub Hlis 10, 2026 | ||||
| (1) National standard silicon calcium (RMB/ton, suav nrog se) | ||||
| Hom | cheeb tsam | Lub Plaub Hlis 10 kev hloov pauv tus nqi | Lub Plaub Hlis 9 tus nqi pauv | sawv thiab poob |
| National Standard Ca1 | Shaanxi | 9200-9400 | 9200-9400 | tiaj tus |
| Ningxia | 9200-9400 | 9200-9400 | tiaj tus | |
| Sab hauv Mongolia | 9000-9200 | 9000-9200 | tiaj tus | |
| National Standard Ca2 | Shaanxi | 9100-9300 | 9100-9300 | tiaj tus |
| Ningxia | 9100-9300 | 9100-9300 | tiaj tus | |
| Sab hauv Mongolia | 8900-9100 | 8900-9100 | tiaj tus | |
| ua 28s55 | Henan | 8200-8300 | 8200-8300 | tiaj tus |
| ua 28s50 | Henan | 7200-7400 | 7200-7400 | tiaj tus |
| (2) Barium silicon (RMB/ton, ex-tus nqi Hoobkas suav nrog se) | ||||
| Brand (Natural Block) | cheeb tsam | Lub Plaub Hlis 10 kev hloov pauv tus nqi | Lub Plaub Hlis 9 tus nqi pauv | sawv thiab poob |
| Si50-55Ba30 | Sab hauv Mongolia | 6800-7100 | 6800-7100 | tiaj tus |
| Gansu | 6900-7000 | -- | -- | |
| Qinghai | -- | -- | -- | |
| Si65-75Ba4-6 | Qinghai | 6100-6150 | 6150-6200 | ↓50 |
| Ningxia | 6300-6350 | 6300-6350 | tiaj tus | |
| Si65-75Ba2-3 | Ningxia | 6300-6350 | 6300-6350 | tiaj tus |
| Smelting inoculant Si Ntau dua lossis sib npaug rau 68Ba4-6 (1-3 / 3-8mm) | Inner Mongolia thiab Ningxia | 6700-6900 | 6700-6900 | tiaj tus |
| Jiangsu thiab Shaanxi | 7000-7100 | 7000-7100 | tiaj tus | |
| (3) Calcium hlau series (RMB/ton, nyiaj ntsuab nrog rau se) | ||||
| khoom | cheeb tsam | Lub Plaub Hlis 10 kev hloov pauv tus nqi | Lub Plaub Hlis 9 tus nqi pauv | sawv thiab poob |
| Crude Calcium Hlau | Shanxi | 16800-17000 | 16800-17000 | tiaj tus |
| Hlau calcium hlau | Henan | 20000-20200 | 20000-20200 | tiaj tus |
| Metallic calcium hais | Henan | 19500-19700 | 19500-19700 | tiaj tus |
Yuav ua li cas yog silicon thiab calcium siv nyob rau hauv steelmaking thiab casting?
Silicon (Si) thiab calcium (Ca) yog dav siv hauv steelmaking thiab casting litseem ceeb deoxidizing, desulfurizing, thiab suav nrog- hloov cov khoom. Silicon feem ntau txhim khodeoxidation efficiency thiab steel zog, thaum calcium feem ntau yog siv rauHloov kho cov tsis yog{0}}cov khoom siv hlau (Al₂O₃, sulfides) thiab txhim kho steel huv thiab machinability. Hauv kev sib xyaw ua ke (xws li hauv CaSi alloy), lawv yog qhov tseem ceeb rau kev tsim khoomsiab -zoo, huv si steel thiab ruaj khov casting kev ua tau zoo.
Silicon & Calcium Alloy Specifications (Cov Qib Muaj Qib)
| Khoom | Si (%) | Ca (%) | Al (%) | Fe (%) | C (%) | S (%) | P (%) | Daim ntawv |
|---|---|---|---|---|---|---|---|---|
| FeSi (75%) | Ntau dua lossis sib npaug li 72–75 | - | Tsawg dua lossis sib npaug li 2.0 | Tshuav | Tsawg dua los yog sib npaug li 0.2 | Tsawg dua los yog sib npaug li 0.02 | Tsawg dua lossis sib npaug li 0.04 | Lub pob |
| CaSi alloy | 55–65 | 28–35 | Tsawg dua los yog sib npaug li 1.5 | Tshuav | Tsawg dua los yog sib npaug rau 1.0 | Tsawg dua los yog sib npaug li 0.02 | Tsawg dua los yog sib npaug li 0.05 | Lub pob |
| Si-Ca Cored Hlau | 30–60 | 20–35 | Tsawg dua los yog sib npaug li 1.5 | - | - | Tsawg dua los yog sib npaug li 0.02 | Tsawg dua lossis sib npaug li 0.04 | Hlau |
| High CaSi | 60–70 | 30–35 | Tsawg dua los yog sib npaug rau 1.0 | Tshuav | Tsawg dua lossis sib npaug li 0.8 | Tsawg dua los yog sib npaug li 0.02 | Tsawg dua lossis sib npaug li 0.04 | Lub pob |
Particle loj:10-50mm / 3-10mm / cored hlau
Ntim:1 MT jumbo hnab los yog steel nruas
Dab tsi yog lub luag haujlwm ntawm silicon hauv steelmaking thiab casting?
Silicon yog ib qho tseem ceeb tshaj plawsdeoxidizing thiab ntxiv dag zog rau cov ntsiab lushauv steel ntau lawm. Thaum lub sij hawm steelmaking, silicon reacts nrog oxygen nyob rau hauv molten hlau los uaSiO₂, zoo tshem tawm cov pa oxygen thiab txhim kho steel purity.
Hauvsteelmaking, silicon txhim kho:
Deoxidation efficiency
Steel zog thiab hardness
Thaum tshav kub kub kuj
Elastic txwv
Hauvcasting, silicon plays lub luag haujlwm tseem ceeb hauv kev tswjgraphite tsim nyob rau hauv cam khwb cia hlau, kev txhim kho:
Fluidity ntawm molten hlau
Casting qauv stability
Kev tiv thaiv tawg
Silicon feem ntau qhia los ntawmferrosilicon (FeSi 75%), uas yog cov khoom siv silicon feem ntau siv hauv kev lag luam metallurgy.
Lub luag haujlwm ntawm calcium hauv steelmaking thiab casting yog dab tsi?
Calcium feem ntau yog siv los ua ib qhosteel huv huv tswj lub ntsiab, tsis yog ib qho ntxiv dag zog.
Hauv steelmaking, calcium yog siv rau:
Hloov kho cov khoom alumina (Al₂O₃) suav nrog rau hauv cov kua calcium aluminates
Txo cov nozzle clogging hauv nruam casting
Txhim kho steel flowability
Hauv casting, calcium txhim kho:
Sulfide zoo tswj
Machinability ntawm steel
Inclusion morphology (mos, spherical inclusions es tsis txhob nyuaj angular hais)
Calcium yog reactive heev, yog li nws feem ntau yog ntxiv rau hauv daim ntawv ntawm:
Calcium silicon (CaSi) alloy
Cored hlau txhaj tshuab
Qhov no ua kom ruaj khov nqus thiab tswj cov tshuaj tiv thaiv hauv cov hlau molten.
Ua li cas silicon thiab calcium ua haujlwm ua ke hauv steel refining?
Thaum siv ua ke (tshwj xeeb yog liCaSi alloy), silicon thiab calcium tsim kom muaj kev sib xyaw ua kom zoo.
Silicon thawj zaug uamuaj zog deoxidation, txo cov pa oxygen hauv cov hlau molten. Tom qab ntawd calcium reacts nrog seem oxides thiab sulfides, hloov mus rau hauvqis- melting, spherical inclusions.
Qhov sib xyaw ua ke no ua rau:
Cov hlau huv huv nrog tsawg dua kev suav nrog
Txhim kho machinability
Txo qhov tsis xws luag casting
Zoo dua nruam casting stability
Qhov no tseem ceeb tshwj xeeb hauvhigh-qib steel ntau lawm, xws li automotive steel, bearing steel, thiab pipeline steel.
Qib sib piv: CaSi Alloy vs FeSi, CaSi vs Cored Wire
CaSi Alloy vs FeSi (Ferrosilicon)
FeSi feem ntau yog siv raudeoxidation thiab silicon alloying, thaum CaSi muab ob qho tib sideoxidation thiab suav nrog kev hloov kho. CaSi yog qhov zoo tshaj plaws hauv kev ua kom zoo dua qub, tshwj xeeb tshaj yog nyob rau hauv cov hlau huv huv, qhov FeSi yog tus nqi ntau dua - siv tau zoo thiab siv dav hauv kev tsim steel ntau.
CaSi Alloy vs CaSi Cored Hlau
CaSi pob yog ntxiv ncaj qha rau hauv cov hlau molten, muab kev ua haujlwm yooj yim tab sis ua haujlwm qis dua. CaSi cored hlau muab:
Ntau dua calcium rov qab tus nqi
Kev tswj kom meej dua
Txo oxidation poob
Cored hlau yog nyiam nyob rau hauvhigh-kawg nruam casting tshuab, thaum lub pob CaSi tau siv dav hauv cov nroj tsuag steel vim yog tus nqi qis.
Cov ntsiab lus
Silicon thiab calcium yog qhov tseem ceeb ua haujlwm hauv steelmaking thiab casting. Silicon muabdeoxidation thiab txhim kho lub zog, thaum calcium tsom rausuav nrog kev hloov kho thiab kev tswj xyuas kev huv steel. Thaum ua ke ua CaSi alloy lossis cored hlau, lawv txhim kho steel zoo, casting stability, thiab ntau lawm efficiency, tshwj xeeb tshaj yog nyob rau hauv siab - qib steel manufacturing.
FAQ - Cov Lus Nug Txog Kev Muag Khoom Txog Silicon & Calcium hauv Steelmaking
1. Vim li cas silicon siv hauv steelmaking?
Silicon yog siv los ua ib qhodeoxidizer thiab lub zog enhancer, txhim kho steel hardness thiab txo cov pa oxygen hauv cov hlau molten.
2. Lub luag haujlwm tseem ceeb ntawm calcium hauv hlau yog dab tsi?
Calcium hloov kho tsis yog-metallic inclusions, ua rau lawv kheej kheej thiab tsis muaj teeb meem, txhim kho steel huv si thiab machinability.
3. CaSi alloy siv rau dab tsi?
CaSi alloy yog siv raudeoxidation, desulfurization, thiab kev hloov pauv hauv kev suav nrog, tshwj xeeb tshaj yog nyob rau hauv siab - zoo steel thiab nruam casting.
4. Qhov txawv ntawm CaSi pob thiab cored hlau yog dab tsi?
Lump yog pheej yig dua thiab siv yooj yim dua, thaum cored hlau muaj kev ua tau zoo dua thiab zoo dua calcium rov qab.
5. Silicon tuaj yeem hloov cov calcium hauv steelmaking?
Tsis yog. Silicon thiab calcium muaj cov haujlwm sib txawv. Silicon deoxidizes, thaum calcium hloov kev suav nrog. Lawv yog complementary, tsis interchangeable.
6. Dab tsi steel qib siv CaSi alloy?
Nws yog dav siv nyob rau hauvbearing steel, automotive steel, pipeline steel, thiab siab -lub zog steel qauv.
Npaj txhij los Tau qhov siab -Quality Silicon & Calcium Alloys?
Yog koj tab tom nrhiavruaj khov CaSi alloy, ferrosilicon, lossis cored hlau cov khoom lag luam nrog cov khoom zoo sib xws thiab cov nqi sib tw, peb muab Hoobkas- khoom ncaj qha rau ntiaj teb steelmakers thiab foundries.
Tiv tauj peb tam sim no rau cov lus hais thiab cov qauv:
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