FeSi75, FeSi72, FeSi65 Ferrosilicon Qib Sib Piv: Daim Ntawv Qhia Kev Muag Khoom rau Steelmaking thiab Foundry
Ferrosilicon yog cov khoom siv ferroalloy ntau tshaj plaws nyob rau hauv lub ntiaj teb no steelmaking - kwv yees li 5 kg ntawm FeSi yog siv ib metric tuj ntawm crude steel tsim. Tab sis tsis yog txhua tus ferrosilicon yog tib yam. Peb qib uas muaj nyob ntawm no - FeSi75, FeSi72, thiab FeSi65 - sib txawv hauv cov ntsiab lus silicon, txwv txhuas, thiab impurity profiles. Tsab ntawv xov xwm no muab cov kev sib piv cov txheej txheem hauv GB / T 2272-2020, Suav teb chaws tus qauv rau ferrosilicon, thiab kev lag luam kev coj ua yog li cov thawj coj kev yuav khoom tuaj yeem teev cov qib zoo rau lawv cov txheej txheem.
Ntsiab Cai
FeSi75 (Si Ntau dua lossis sib npaug 75%, Al 0.1–2.0% nyob ntawm qib- qib)yog qhov kev xaiv zoo tshaj plaws rau qib siab -qib steel deoxidation, ductile hlau inoculation, thiab hluav taws xob steel - qhov kev tswj nruj nruj.
FeSi72 (Si Ntau dua lossis sib npaug rau 72%, Al Tsawg dua lossis sib npaug rau 2.0%)yog cov neeg ua haujlwm pheej yig rau cov qauv carbon steel, rebar, thiab cov qauv steel ntau lawm. Nws xa tawm kwv yees li 96% ntawm silicon units ntawm FeSi75 ntawm tus nqi qis dua ib tuj.
FeSi65 (Si Ntau dua lossis sib npaug rau 65%, Al Tsawg dua lossis sib npaug rau 2.0–3.0%)yog qhov kev xaiv peev nyiaj rau ntau deoxidation nyob rau hauv tsawg xav tau melts. Cov qib silicon siab dua tuaj yeem hloov pauv qee qhov los ntawm FeSi65 thaum Si cov phiaj xwm tshwj xeeb hloov pauv.
Particle loj xaiv yog txheej txheem -nyob.10-50 mm yog tus qauv rau EAF / BOF steelmaking; 3-10 hli rau qhov chaw tsim khoom; 0-3 mm rau cored hlau. Kev siv qhov loj me tsis zoo txo cov silicon rov qab thiab nce nqi.
Tsawg-aluminium sub- qib (Al Tsawg dua lossis sib npaug li 0.5%, Tsawg dua lossis sib npaug li 0.1%)yog qhov tseem ceeb rau cov kabmob steel, lub caij nplooj ntoos hlav steel, thiab cov hlau hluav taws xob uas Al₂O₃ suav nrog ua rau qaug zog lub neej thiab qhov chaw zoo. Tus nqi them nqi yog tsim nyog los ntawm txo tus nqi tsis lees paub.
| Tus nqi ntawm ferro silicon yog dab tsi?Tuam Tshoj tus nqi ferrosilicon rau lub Xya hli ntuj 14 // Ferrosilicon nqe hnub no // Ferro Silicon Lumps Nqe | ||||
| Unit: USD/ton | ||||
| khoom | Hom | Nqe lus | Sawv thiab Poob | Lus ceeb toom |
| Ferrosilicon | 72 | 1000-1030 | -- | FOB Tianjin Chaw nres nkoj |
| Ferrosilicon | 75 | 1080-1100 | -- | FOB Tianjin Chaw nres nkoj |
| Tus nqi ntawm ferro silicon yog dab tsi?Tus nqi tshwj xeeb ferrosilicon hauv Suav teb thaum Lub Xya Hli 14 // Ferro Silicon Nqe Ib Tuj // Ferro Silicon Factory | |||||
| Chav tsev: Yuan/ton, natural block, ex-factory cash price with tax | |||||
| Mainstream nqi ntawm tsawg aluminium ferrosilicon hauv Suav teb | |||||
| Khoom npe | Specification | cheeb tsam | nqe | Sawv thiab Poob | Lus ceeb toom |
| Tsawg Aluminium Ferrosilicon | Sib 75 Al<0.1 | Qinghai | 6700-6750 | -- | Hoobkas nqi suav nrog se |
| Tsawg Aluminium Ferrosilicon | Sib 75 Al<0.5 | Qinghai | 6400-6450 | -- | Hoobkas nqi suav nrog se |
| Tsawg Aluminium Ferrosilicon | Sib 75 Al<0.1 | Sab hauv Mongolia | 6700-6750 | -- | Hoobkas nqi suav nrog se |
| Tsawg Aluminium Ferrosilicon | Sib 75 Al<0.5 | Sab hauv Mongolia | 6400-6450 | -- | Hoobkas nqi suav nrog se |
| Nco tseg: Cov nqi saum toj no tsuas yog siv rau kev siv xwb. Cov lag luam tuaj yeem teeb tsa tus nqi raws li lawv tus kheej qhov xwm txheej. | |||||
Xav tau Ferrosilicon Quote haum rau koj Spec?
Xa peb cov qib koj xav tau (FeSi75/72/65), Al txwv, particle loj, thiab ntim txhua hli. Peb mam li xa rov qab COA - cov lus rov qab hauv ib hnub ua haujlwm.
Email:market@zanewmetal.com· WhatsApp: +86 155 1882 4805
1. Ferrosilicon ntawm ib sab: Nws yog dab tsi thiab vim li cas nws tseem ceeb
Ferrosilicon (FeSi) yog hlau-silicon alloy ua los ntawm carbothermic txo ntawm quartz (SiO₂) nyob rau hauv muaj hlau-cov ntaub ntawv bearing nyob rau hauv lub submerged hluav taws xob arc rauv. Cov ntsiab lus ntawm silicon ntawm kev lag luam FeSi yog li ntawm 15% mus rau 95%, nrog rau 65-75% ntau accounting rau feem coob ntawm steelmaking thiab foundry noj.
Hauv steelmaking, ferrosilicon ua haujlwm ob lub luag haujlwm tseem ceeb:deoxidation(tshem tawm cov pa oxygen los ntawm molten hlau los tiv thaiv porosity thiab oxide inclusions) thiaballoying(ntxiv silicon kom ua tiav lub hom phiaj txhua yam thiab cov khoom sib nqus). Nyob rau hauv foundries, FeSi kuj ua raws li ib tugua tsis taus pa- txhawb kev tsim cov nplua, sib npaug faib graphite hauv cam khwb cia hlau - thiab ua ib feem ntawm magnesium-ferrosiliconnodulizersrau ductile hlau ntau lawm.
ZhenAn International, headquartered nyob rau hauv Anyang, Henan Province, Tuam Tshoj, muab ferrosilicon nyob rau hauv tag nrho peb qib los ntawm ob lub hauv paus tsim tag nrho 30,000 m², nrog rau ib xyoos twg muaj peev xwm ntawm 150, 000+ metric tons. Lub tuam txhab tuav ISO 9001: 2015 ntawv pov thawj thiab muab SGS - tshuaj xyuas cov khoom xa tuaj rau ntau tshaj 100 lub teb chaws.
2. Tshuaj muaj pes tsawg leeg: FeSi75 vs. FeSi72 vs. FeSi65
Cov lus hauv qab no qhia txog cov tshuaj muaj pes tsawg leeg ntawm peb qib. FeSi75 muaj cov nplua nuj aluminium sub- qib qauv raws li GB / T 2272-2020, qhia txog nws kev siv nyob rau hauv siab - tus nqi steel daim ntawv thov uas suav nrog kev tswj hwm yog qhov tseem ceeb. FeSi72 thiab FeSi65 muaj tsawg dua kev xaiv qib qis thiab tau taw qhia rau kev deoxidation ntau.
| Lub ntsiab | FeSi75 (Standard) | FeSi72 | FeSi65 |
|---|---|---|---|
| Silicon (Si) | Ntau dua lossis sib npaug li 75.0% | Ntau dua lossis sib npaug li 72.0% | Ntau dua lossis sib npaug li 65.0% |
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.20% | Tsawg dua lossis sib npaug li 0.20% | Tsawg dua lossis sib npaug li 0.20% |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.035% | Tsawg dua lossis sib npaug li 0.035% | Tsawg dua lossis sib npaug li 0.04% |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.025% | Tsawg dua lossis sib npaug li 0.025% | Tsawg dua lossis sib npaug li 0.03% |
| Manganese (Mn) | Tsawg dua lossis sib npaug li 0.40% | Tsawg dua lossis sib npaug li 0.50% | Tsawg dua lossis sib npaug li 0.50% |
| Chromium (Cr) | Tsawg dua lossis sib npaug li 0.30% | Tsawg dua lossis sib npaug li 0.50% | Tsawg dua lossis sib npaug li 0.50% |
Tau qhov twg los: Commercial specifications per GB/T 2272-2020, tau lees paub tawm tsam cov ntawv pov thawj ntawm cov khoom siv zeb. Tus nqi sawv cev rau qib txheem; nruj dua txwv muaj nyob rau ntawm kev thov. FeSi75 aluminium txwv nyob ntawm sub-qib xaiv - saib Table 2.
2.1 FeSi75 Aluminium Sub{2}}Qib (GB/T 2272-2020)
Aluminium yog qhov tseem ceeb tshaj plaws impurity rau kev tswj, vim hais tias residual txhuas ntawv nyuaj Al₂O₃ inclusions uas txo cov qaug zog lub neej nyob rau hauv bearing steel, ua rau nto defects nyob rau hauv daim ntawv cov khoom, thiab clog submerged nkag nozzles thaum nruam casting. GB/T 2272-2020 txhais tsib qib aluminium sub-qib rau FeSi75, txhua qhov kev txwv nruj dua:
| Sub-Qib | Aluminium (Al) Max | Daim ntawv thov |
|---|---|---|
| FeSi75Al0.1 | Tsawg dua lossis sib npaug li 0.10% | Hluav taws xob steel, ultra-huv bearing steel, tshwj xeeb alloys |
| FeSi75Al0.5 ua | Tsawg dua lossis sib npaug li 0.50% | Bearing steel, caij nplooj ntoos hlav steel, siab - zoo structural steel |
| FeSi75Al1.0 | Tsawg dua lossis sib npaug li 1.0% | General alloy steel, pipeline steel, siab hlab ntsha steel |
| FeSi75Al1.5 | Tsawg dua lossis sib npaug li 1.5% | Carbon structural steel, rebar, hlau pas nrig |
| FeSi75Al2.0 | Tsawg dua lossis sib npaug li 2.0% | General deoxidation qhov twg tswj kev suav nrog tsis tseem ceeb |
Tau qhov twg los: GB/T 2272-2020. Al0.5 thiab Al0.1 sub-qib hais kom tus nqi them nqi - feem ntau yog 5–10% siab dua tus qauv FeSi75 - cuam tshuam qhov kev ua kom zoo ntxiv uas yuav tsum tau ua thaum tsim khoom.
Rau FeSi72 thiab FeSi65, txhuas feem ntau yog teev raws li ib qho kev txwv siab tshaj plaws (tsawg dua lossis sib npaug li 2.0% rau FeSi72, Tsawg dua lossis sib npaug li 2.0–3.0% rau FeSi65) es tsis yog los ntawm kev sib cais sub- qib. Kev cai qis-Al variants ntawm FeSi72 muaj tab sis tsawg dua.
3. Deoxidation: Cov ntsiab lus Silicon cuam tshuam li cas
Thaum ferrosilicon ntxiv rau molten steel, silicon reacts nrog yaj oxygen raws li cov tshuaj tiv thaiv:
2FeO + Si → 2Fe + SiO₂
Cov silica (SiO₂) uas tsim muaj tsawg dua li cov hlau ua kua thiab ntab rau hauv txheej slag. Qhov siab dua cov ntsiab lus ntawm silicon ntawm ferrosilicon, ntau dua oxygen nws tuaj yeem tshem tawm ib kilogram ntawm alloy ntxiv.
3.1 Kev sib piv ntawm Silicon Unit
Rau kev yuav khoom, suav covtus nqi rau ib chav tsev xa khoom silicones tsis yog tus nqi ib tuj ntawm alloy. Ib tug metric ton ntawm txhua qib muab cov nram qab no approximate silicon units (xav tias tsawg kawg Si ntsiab lus):
| Qib | Si Xa rau MT | Cov txheeb ze FeSi noj (kom xa sib npaug Si) |
|---|---|---|
| FeSi 75 | 7 50kg | 1.00 × (hauv paus) |
| FeSi72 | 720kg ua | 1.04× (+4%) |
| FeSi65 | 6 50kg | 1.15× (+15%) |
Tus nqi raws li qhov tsawg kawg nkaus cov ntsiab lus ntawm silicon rau kev lag luam specification. Tus nqi ntawm silicon tiag tiag (feem ntau yog 70–92%) ntxiv nyob ntawm lub sijhawm ntxiv, da dej kub, thiab nplawm cov xwm txheej - yam tsis muaj kev xaiv ntawm qib xaiv.
Silicon rov qab- feem pua ntawm cov silicon ntxiv uas tau nkag mus rau cov hlau - yog li ntawm kwv yees li 70% rau cov khoom siv thaum ntxov ntxiv mus rau 85-92% rau cov kua dej lig- steel ntxiv lossis txhaj tshuaj los ntawm cored hlau. Thaum sib piv cov qhab nia, siv koj cov nroj tsuag cov keeb kwm rov qab mus rau qhov theoretical silicon xa mus rau ib tuj los kwv yees tus nqi zoo ib kilogram rov qab.
4. Cov ntawv thov Foundry: Inoculation thiab Nodulization
Hauv kev tsim cov hlau cam khwb cia, ferrosilicon lub luag haujlwm hloov ntawm deoxidation mus raumicrostructure tswj. Ob txoj haujlwm sib txawv tseem ceeb:
4.1 Inoculation
Thaum ntxiv rau molten cam khwb cia hlau ua ntej nchuav, ferrosilicon txhawb kev tsim cov nplua, sib npaug faib Hom -A graphite flakes (hauv grey hlau) los yog graphite nodules (hauv cov hlau nplaum). Qhov no txhim kho lub zog tensile, txo qhov tob tob, thiab ua kom muaj zog zoo sib xws thoob plaws hauv seem casting. FeSi75 yog tus qauv inoculant qib vim tias nws cov ntsiab lus silicon siab muab kev tawg sai thiab muaj zog graphitizing nrog tsawg kawg nkaus ntim.
4.2 Nodulization (Cov Hlau Hlau)
Ferrosilicon ua haujlwm ua cov khoom thauj khoom hauv magnesium-ferrosilicon (MgFeSi) nodulizers - feem ntau muaj 5-9% Mg, 42-48% Si, thiab tshuav hlau. Lub hauv paus FeSi muab cov silicon xav tau rau graphite nce qib, thaum magnesium tsav lub spheroidization ntawm graphite los ntawm flakes mus rau nodules. FeSi75 nrog qis txhuas (tsawg dua lossis sib npaug li 1.0%) yog qhov zoo dua rau cov khoom siv nodulizer vim tias cov txhuas ntau dhau cuam tshuam nrog magnesium rov qab.
| Daim ntawv thov | Pom zoo Qib | Hom Loj | Ntsiab Specification |
|---|---|---|---|
| Grey hlau inoculation | FeSi 75 | 3-10 hli | Si Ntau dua lossis sib npaug li 75%, Al Tsawg dua lossis sib npaug rau 1.5%, Ca 0.5–1.5% (muaj txiaj ntsig) |
| Iron inoculation | FeSi 75 | 1-6 hli | Si Ntau dua lossis sib npaug li 75%, Al Tsawg dua lossis sib npaug rau 1.0%, qis Ti xav tau |
| Nodulizer puag alloy | FeSi75 (tsis tshua muaj Al) | 10-30 hli | Si 42–48% (hauv MgFeSi), Al Tsawg dua lossis sib npaug li 1.0% |
| General foundation deoxidation | FeSi72 los yog FeSi65 | 8-15 hli | Txheem kev lag luam specification |
Foundry- cov qib ferrosilicon tshwj xeeb yuav suav nrog cov tshuaj calcium uas tswj tau (0.5–2.0%) txhawm rau txhim kho kev ua haujlwm zoo. Txheeb xyuas cov cai no nrog koj tus kws tsim khoom metallurgist ua ntej xaj.
5. Particle loj xaiv los ntawm txheej txheem
Particle loj cuam tshuam rau kev sib cais, silicon rov qab, tsim plua plav, thiab tuav logistics. Cov lus hauv qab no qhia txog txhua qhov loj ntawm ferrosilicon rau nws cov txheej txheem txheej txheem:
| Qhov Loj | Txheej txheem | Kev xav |
|---|---|---|
| 0-3 hli (hmoov / nplua) | Cored hlau filling, hmoov txhaj | Qhov loj me me kom ntseeg tau tias cov ntim ntim tsis sib xws hauv cov hlau sheath thiab sai sai hauv cov yaj tom qab txhaj tshuaj. |
| 1-3 hli | Secondary metallurgy, precision casting | Kev tawg sai sai rau lig - theem kev sib xyaw ua ke. Hauv nyias-walled precision castings (phab ntsa<10 mm), fine powder improves density by ~30%. |
| 3-10 hli | Foundry inoculation, nruab nrab furnaces | Qhov sib npaug ntawm qhov sib npaug kom ntseeg tau tias txawm tias faib hauv lub ladle ua ntej nchuav. Standard rau ladle inoculation nyob rau hauv hlau foundries. |
| 10-50 mm | EAF, BOF, ladle furnace (tus qauv steelmaking) | Qhov loj tshaj plaws tau teev tseg thoob ntiaj teb. Particles yaj ntawm tus nqi tswj, ua tiav deoxidation sib sib zog nqus, thiab yooj yim los lis thiab them nrog cov khoom siv pa. |
| 50-100 hli | Lub cub tawg loj, bulk charging | Minimizes oxidation poob thaum them nyiaj. Yuav tsum tau lub sij hawm dissolution ntev dua; haum rau furnaces nrog lub sijhawm nyob txaus thiab nplawm. |
| Natural block (raws li - crushed) | Lub hom phiaj dav dav, ntawm - qhov loj me | Tus nqi qis (tsis muaj qhov ntsuas qhov tseeb). Mills nrog rau hauv -lub tsev crushing thiab tshuaj ntsuam muaj peev xwm yuav nyiam qhov kev xaiv no. |
Kev soj ntsuam kev kam rau siab: oversize thiab undersize cov khoom sib xyaw ua ke yuav tsum tsis pub tshaj 10% ntawm tag nrho qhov hnyav ntawm ib qho kev coj ua lag luam. Rau cov ntawv thov cored hlau, nruj dua kam rau ua (± 5%) yog qhov raug.
6. Ntim, Cov ntaub ntawv, thiab kev ruaj ntseg zoo
Rau kev yuav khoom thoob ntiaj teb, ntim thiab cov ntaub ntawv tseem ceeb raws li qhov kev qhia tshwj xeeb ntawm nws tus kheej.
6.1 Ntim Options
1 MT bulk hnab (FIBC):Standard export ntim. Woven polypropylene nrog sab hauv polyethylene liner. UV-stabilized rau sab nraum zoov cia. Plaub lifting loops rau crane / forklift tuav.
25 kg / 50 kg hnab ntawm pallets:Tsim nyog rau me me - ntim cov neeg yuav khoom lossis cov chaw tsis muaj cov khoom loj - hnab ntim khoom. Shrink - qhwv ntawm cov ntoo fumigated pallets (ISPM 15 ua raws).
Steel nruas:Rau cov qib hmoov zoo (0-3 mm) qhov kev tiv thaiv noo noo tseem ceeb heev. Siv feem ntau rau cored-wire- cov ntaub ntawv qib.
Tag nrho cov ntim tau sau nrog qib, ntau tus lej, tshuaj lom neeg tshwj xeeb, qhov hnyav hnyav, thiab ZhenAn cov chaw tsim khoom txheeb xyuas. Kev cai daim ntawv lo (muab hom, lo lus cim cim) muaj rau kev cog lus xaj.
6.2 Cov ntaub ntawv zoo
Txhua qhov khoom xa tuaj suav nrog:
Certificate of Analysis (COA):Batch-Kev tshuaj xyuas tshwj xeeb rau Si, Al, C, P, S, Mn, Cr, thiab lwm yam ntsiab lus tau teev tseg hauv daim ntawv cog lus yuav khoom.
SGS (los yog sib npaug) Daim Ntawv Qhia Tshuaj Ntsuam Xyuas:Thib peb -kev txheeb xyuas cov tshuaj lom neeg muaj pes tsawg leeg, particle loj faib, thiab ntim cov xwm txheej. Muaj raws li kev thov lossis raws li kev cog lus yuav tsum tau ua.
Daim Ntawv Qhia Txog Particle Loj:Sieve tsom xam qhia feem pua hauv specification, oversize, thiab undersize feem.
Packing List & Certificate of Origin:Standard shipping cov ntaub ntawv. Daim ntawv E / Daim Ntawv F daim ntawv pov thawj muaj rau cov kev npaj ua lag luam nyiam.
7. Yuav Qhia Li Cas Ferrosilicon hauv Kev Yuav Khoom
Ib qho ua tiav ferrosilicon specification yuav tsum muaj rau cov nram qab no. Ib qho piv txwv hauv qab no:
Piv txwv Purchase Order Specification:
Khoom siv: Ferrosilicon FeSi75Al1.0
Tshuaj: Si Ntau dua lossis sib npaug 75.0%, Al Tsawg dua lossis sib npaug 1.0%, C Tsawg dua lossis sib npaug 0.20%, P Tsawg dua lossis sib npaug 0.035%, S Tsawg dua lossis sib npaug 0.025%
Loj: 10-50 hli (Ntau dua lossis sib npaug rau 90% hauv qhov ntau, Tsawg dua lossis sib npaug rau 5% oversize, Tsawg dua lossis sib npaug rau 5% undersize)
Ntim: 1 MT bulk hnab nrog sab hauv liner
Ntim: 100 MT (± 5% kam rau ua)
Cov ntaub ntawv: COA ib ntau, SGS tshuaj xyuas ntawm chaw thau khoom
Kev xa khoom: FOB Tianjin / CIF [chaw nres nkoj chaw nres nkoj]
Nrog rau tag nrho rau lub ntsiab lus tshem tawm qhov tsis meej pem thiab ua kom tus neeg xa khoom tuaj yeem hais thiab xa raws nraim li koj cov txheej txheem xav tau.
Cov lus nug nquag
Dab tsi yog qhov txawv ntawm FeSi75, FeSi72, thiab FeSi65 ferrosilicon?
Peb qib sib txawv hauv cov ntsiab lus silicon: FeSi75 muaj ntau dua lossis sib npaug li 75% Si, FeSi72 muaj ntau dua lossis sib npaug li 72% Si, thiab FeSi65 muaj ntau dua lossis sib npaug li 65% Si. FeSi75 muaj lub zog deoxidation uas muaj zog tshaj plaws thiab yog qhov nyiam tshaj plaws rau qib siab -qib steel thiab ductile hlau inoculation. FeSi72 yog lwm txoj hauv kev lag luam rau kev ua hlau dav dav - nws yuav tsum muaj kwv yees li 4% ntau cov khoom siv los ntawm qhov hnyav kom xa tau tib lub silicon units. FeSi65 yog siv nyob rau hauv bulk deoxidation qhov twg tus nqi yog thawj kev txhawj xeeb thiab silicon specification lub hom phiaj yog hloov tau. FeSi75 kuj tseem muaj tsib qib aluminium sub-qib (Al Tsawg dua lossis sib npaug li 0.1% los ntawm Tsawg dua lossis sib npaug li 2.0%) rau cov ntawv thov uas xav tau kev tswj hwm nruj, xws li cov kabmob steel thiab cov hlau hluav taws xob.
Cov tshuaj tiv thaiv deoxidation ntawm ferrosilicon ua haujlwm li cas hauv steelmaking?
Silicon nyob rau hauv ferrosilicon reacts nrog yaj oxygen nyob rau hauv molten hlau raws li 2FeO + Si → 2Fe + SiO₂. Lub resulting silica (SiO₂) yog sib dua li cov kua hlau thiab ntab mus rau hauv lub slag txheej, qhov twg nws raug tshem tawm. FeSi75, nrog ntau dua silicon ntsiab lus ib kilogram, ua tiav sai dua thiab ua tiav deoxidation. Silicon rov qab tus nqi feem ntau yog li ntawm 70% mus rau 92% nyob ntawm txoj kev sib ntxiv - lig ntxiv rau deoxidized steel los yog txhaj tshuaj los ntawm cored hlau yield rov qab zoo dua li cov khoom thaum ntxov ntxiv rau oxidizing da dej. Cov hlau deoxidized kom raug muaj tsawg dua oxide suav nrog, cov khoom siv kho tshuab zoo dua, txo qhov porosity, thiab txhim kho qhov zoo.
Qhov twg ferrosilicon particle loj kuv yuav tsum xaiv rau kuv daim ntawv thov?
Particle loj xaiv nyob ntawm koj hom rauv thiab ntxiv txoj kev. Siv 0-3 hli rau cored hlau ntau lawm thiab hmoov txhaj tshuab. Siv 3-10 hli rau qhov chaw tsim hluav taws xob thiab nruab nrab- qhov cub muaj peev xwm. Siv 10–50 mm rau hluav taws xob arc furnaces (EAF), yooj yim oxygen furnaces (BOF), thiab ladle furnaces - qhov no yog qhov feem ntau teev loj nyob rau hauv lub ntiaj teb no steelmaking. Siv 50-100 mm rau qhov loj submerged arc rauv thiab bulk alloy them. Natural block (raws li - crushed, unscreened) cov khoom muaj nyob rau ntawm tus nqi qis rau mills uas ua lawv tus kheej sizing. Nco ntsoov lees paub qhov loj me me rau kev kam rau siab nrog koj tus neeg muag khoom ua ntej xaj.
Lub luag haujlwm ntawm txhuas hauv ferrosilicon yog dab tsi, thiab vim li cas qis -Al qib tseem ceeb?
Aluminium yog ib txwm tshwm sim impurity nyob rau hauv ferrosilicon, qhia los ntawm quartz raw khoom thiab cov txheej txheem txo. Hauv kev tsim cov qauv steel, cov qib txhuas mus txog 2.0% yog qhov tau txais vim tias qhov ua rau Al₂O₃ suav nrog tsis yog qhov tseem ceeb rau kev xaus - siv kev ua tau zoo. Txawm li cas los xij, rau cov kabmob steel, lub caij nplooj ntoos hlav steel, hluav taws xob hlau, thiab lwm yam siab - qib huv huv, qis- txhuas ferrosilicon (Al Tsawg dua lossis sib npaug li 0.5% lossis tsawg dua lossis sib npaug li 0.1%) yog qhov yuav tsum tau vim nyuaj, tsis yog -deformable Al₂O₃ suav nrog kev ua kom lub neej tsis zoo, ua kom muaj kev ntxhov siab. nyias- ntsuas cov khoom lag luam, thiab tuaj yeem cuam tshuam cov dej nkag nkag nozzles thaum nruam nruam. Tus nqi them nqi rau qis-Al qib (5–10%) feem ntau yog rov qab los ntawm kev txo qis ntawm qhov tsis lees paub hauv siab- tus nqi steel ntau lawm.
Yuav ua li cas yog ferrosilicon feem ntau ntim rau thoob ntiaj teb shipping?
Standard export ntim yog 1-metric-ton bulk hnab (FIBC) ua los ntawm woven polypropylene nrog inner polyethylene liner. Cov no yog UV-stabilized rau sab nraum zoov cia thiab muaj plaub lifting loops. Rau cov neeg yuav khoom me me, 25 kg lossis 50 kg woven hnab ntawm fumigated ntoo pallets (ISPM 15 raws) yog tus qauv. Cov hmoov hmoov zoo (0-3 hli) tuaj yeem xa tuaj rau hauv lub nruas hlau kaw rau kev tiv thaiv ya raws. Txhua lub ntim ntim muaj ntau tus lej, qib, tshuaj lom neeg tshwj xeeb, qhov hnyav hnyav, thiab kev txheeb xyuas cov chaw tsim khoom. ZhenAn nkoj los ntawm Tianjin Chaw nres nkoj nrog tag nrho cov ntaub ntawv suav nrog COA, SGS soj ntsuam cov ntaub ntawv, cov npe ntim, thiab daim ntawv pov thawj ntawm keeb kwm.
Kuv puas tuaj yeem siv FeSi72 hloov FeSi75 rau steelmaking deoxidation?
Yog lawm, FeSi72 tuaj yeem hloov pauv rau FeSi75 hauv ntau daim ntawv thov steelmaking. Lub deoxidation chemistry yog tib yam - tsuas yog qhov yuav tsum tau hloov pauv. Koj xav tau kwv yees li 4% ntau dua FeSi72 los ntawm qhov hnyav kom xa tib qhov loj ntawm silicon li FeSi75. FeSi75 tseem yog qhov kev xaiv zoo dua thaum: (a) nruj silicon specification tswj yog yuav tsum tau nyob rau hauv cov qib steel kawg, (b) ua tau siab -qib steel (cov kabmob, caij nplooj ntoos hlav, hluav taws xob, cuab yeej steel) qhov twg impurity txwv tsis pub dhau qhov tseem ceeb, los yog (c) cov ntsiab lus txhuas yuav tsum nruj me ntsis tswj los ntawm ib tug ntawv pov thawj Al grade - FeSi72 yog qhov kev xaiv pheej yig rau cov qauv carbon steel, rebar steel, structural steel, thiab hlau qws ntau lawm qhov twg me me impurity variations nyob rau hauv kam rau ua. Xam koj cov nqi zoo ib kilogram silicon zoo ua ntej txiav txim siab hloov pauv.
Cov ntaub ntawv
GB/T 2272-2020 - Ferrosilicon (硅铁). National Standard of the People's Republic of China. https://openstd.samr.gov.cn/bzgk/std/newGbInfo?hcno=F93D0B06FA81F6070F10BF51822BB152 (accessed 2026-08-06)
HS Ferroalloy - Ferro Silicon: Qib, Kev Sau, thiab Daim Ntawv Thov. https://hsferroalloy.com/ferro-silicon/ ( nkag mus 2026-08-06)
HS Ferroalloy - Qib ntawm Ferrosilicon thiab Lawv Daim Ntawv Thov. https://hsferroalloy.com/grades-ntawm-ferrosilicon-thiab-lawv-applications/ (accessed 2026-08-06)
ZX Ferroalloy - Cov Lus Qhia Tshwj Xeeb rau Ferrosilicon Loj hauv Kev Lag Luam Sib Txawv. https://zxferroalloy.com/resource/specific-requirements-for-ferrosilicon-size-in-different-industries/ (accessed 2026-08-06)
ZhenAn / Ferro-Silicon-Alloy.com - Ferrosilicon Loj npaum li cas rau Steelmaking? Ua kom tiav Particle Loj Xaiv Phau Ntawv Qhia. https://www.ferro-silicon-alloy.com/news/what-size-ferrosilicon-rau-steelmaking-comple-85576345.html (accessed 2026-08-06)
Caishuku Material Database - FeSi75Al1.5 ib GB/T 2272-2020. https://www.caishuku.com/material/detail_3006345.html ( nkag 2026-08-06)
Caishuku Material Database - FeSi65 ib GB/T 2272-2020. https://www.caishuku.com/material/detail.php?mid=3007761 ( nkag 2026-08-06)
Elkem - Ferrosilicon yog dab tsi? https://www.elkem.com/products/silicon/ferrosilicon/ ( nkag 2026-08-06)
Beifang Alloy - Ferro Silicon 70/75 Qib: Specifications, Khoom, thiab Daim Ntawv Thov. https://www.beifangalloy.com/ferro-silicon-70-75-qib-specifications-properties-and-applications/ (accessed 2026-08-06)
Thawj qhov chaw tsab xov xwm - ZhenAn International, "High Quality Ferrosilicon 75%/72%/65% for Steelmaking." https://www.metal-alloy.com/info/high-zoo-ferrosilicon-75-72-65-for-stee-103043805.html ( luam tawm 2025-07-13, nkag 2026-08-06)
Tag nrho cov ntaub ntawv thev naus laus zis tau raug hla- hais tawm tsam cov ntaub ntawv hais txog hnub hloov tshiab (Lub Yim Hli 6, 2026). Cov tshuaj muaj pes tsawg leeg yog raws li GB / T 2272-2020 thiab cov neeg sawv cev kev lag luam tshwj xeeb. Daim ntawv pov thawj zeb tiag tiag tuaj yeem sib txawv raws li qhov tso cai kam rau ua raws li tus qauv siv tau. Yog tias koj txheeb xyuas qhov yuam kev, tiv tauj peb ntawm market@zanewmetal.com yog li peb tuaj yeem kho nws.
Qhia rau koj Ferrosilicon - Peb yuav hais hauv 24 teev
Qhia peb txog koj qib (FeSi75/72/65), Al txwv, particle size, ntim nyiam, thiab ntim txhua hli. Peb pab neeg metallurgical yuav xa rov qab COA - cov lus hais nrog lub sijhawm ua haujlwm.
Email:market@zanewmetal.com· WhatsApp: +86 155 1882 4805