Khoom Description
Kev lag luam steel ua lub luag haujlwm tseem ceeb hauv kev lag luam thoob ntiaj teb, thiab ferrosilicon yog qhov tseem ceeb hauv kev tsim cov hlau zoo. Ferrosilicon 72 # thiab 75 #, tshwj xeeb tshaj yog, feem ntau siv hauv steelmaking vim lawv cov ntsiab lus silicon siab thiab tsis muaj impurities. Nyob rau hauv tsab xov xwm no, peb yuav tshawb nrhiav cov txheej txheem ntawm kev tsim cov hlau siv ferrosilicon 72 # thiab 75 # thiab cov txiaj ntsig lawv coj mus rau kev lag luam.
Ua ntej thiab qhov tseem ceeb tshaj plaws, cov txheej txheem casting steelmaking cuam tshuam nrog cov hlau yaj hauv lub cub tawg ua ntej ntxiv ferroalloys los tsim cov khoom hlau kawg. Ferrosilicon 72 # thiab 75 # yog siv los txhim kho cov khoom hlau zaum kawg zoo hauv ntau txoj hauv kev. Cov ntsiab lus ntawm silicon siab nyob rau hauv ferrosilicon 72 # thiab 75 # muab deoxidation, tiv thaiv sulfide tsim, thiab txhim kho cov hlau fluidity, thiab lwm yam txiaj ntsig. Qhov no ua rau lawv yog qhov kev xaiv zoo tshaj plaws rau kev lag luam steelmaking, qhov chaw tsim khoom ntawm cov hlau zoo yog qhov tseem ceeb.
Qhov zoo ntawm cov hlau uas siv ferrosilicon 72 # thiab 75 # yog superior, ua tsaug rau lawv cov impurities tsawg thiab high-purity silicon ntsiab lus. Kev suav nrog cov ferroalloys no nyob rau hauv cov txheej txheem casting steelmaking ua rau txo qis hauv qhov kawg ntawm cov khoom tsis xws luag, ua rau cov khoom siv hlau tsim nyog thiab muag khoom. Tsis tas li ntawd, lawv cov purity siab txhais tau hais tias lawv siv nyob rau hauv cov txheej txheem steelmaking tsis cuam tshuam rau steel lub zog thiab toughness.
Lwm qhov zoo dua ntawm kev siv ferrosilicon 72 # thiab 75 # hauv cov txheej txheem casting steelmaking yog lawv cov txiaj ntsig zoo. Lawv kuj pheej yig dua piv rau qee qhov lwm yam ferroalloys, ua rau lawv muaj kev xaiv nrov ntawm steelmakers thoob ntiaj teb. Txawm hais tias lawv muaj peev xwm them taus, lawv muab cov txiaj ntsig zoo tshaj plaws rau cov txheej txheem steelmaking, ua rau lawv muaj peev xwm zoo rau kev lag luam.
Zuag qhia tag nrho, kev siv ferrosilicon 72 # thiab 75 # hauv casting steelmaking tau revolutionized steel kev lag luam, ua rau zus tau tej cov superior-zoo steel khoom ntawm tus nqi pheej yig. Kev siv cov ferroalloys no ua kom ntseeg tau tias cov hlau ua tau raws li kev lag luam cov qauv nruj nruj thaum tswj hwm tus nqi. Cov roj thiab roj, tsheb, thiab kev tsim kho kev lag luam yog cov neeg siv khoom zoo tshaj plaws ntawm cov khoom siv hlau, thiab kev siv ferrosilicon 72 # thiab 75 # ua kom cov kev lag luam no tau txais cov khoom siv hlau zoo rau lawv cov kev siv ntau yam.
Hauv kev xaus, cov txheej txheem casting steelmaking yog txheej txheem tseem ceeb hauv kev lag luam steel, thiab kev siv ferrosilicon 72 # thiab 75 # tau pab txhawb rau nws txoj kev vam meej. Cov txiaj ntsig ntawm kev siv cov ferroalloys nyob rau hauv cov txheej txheem steelmaking tsis tuaj yeem overstated, thiab lawv cov nqi-zoo ua rau lawv xaiv zoo heev rau steelmakers thoob ntiaj teb. Kev lag luam steel yuav txuas ntxiv vam meej ntev npaum li cov kev daws teeb meem tshiab thiab cov tswv yim txuas ntxiv tau txais yuav, ua rau lub neej yav tom ntej ntawm kev lag luam ci ntsa iab thiab cog lus.

Khoom ntsiab lus
| Ferro silicon code | Tshuaj muaj pes tsawg leeg (%) | |||||
|---|---|---|---|---|---|---|
| Si | Mn | Cr | C | P | S | |
| FeSi75A | 74.0-80.0 | Tsawg dua lossis sib npaug rau 0.4 | Tsawg dua lossis sib npaug rau 0.3 | Tsawg dua los yog sib npaug rau 0.1 | Tsawg dua lossis sib npaug rau 0.035 | Tsawg dua lossis sib npaug rau 0.02 |
| FeSi75B | 72.0-80.0 | Tsawg dua lossis sib npaug rau 0.4 | Tsawg dua lossis sib npaug rau 0.3 | Tsawg dua los yog sib npaug rau 0.1 | Tsawg dua lossis sib npaug rau 0.04 | Tsawg dua lossis sib npaug rau 0.02 |
| FeSi75C ua | 70.0-80.0 | Tsawg dua lossis sib npaug rau 0.5 | Tsawg dua lossis sib npaug rau 0.5 | Tsawg dua lossis sib npaug rau 0.2 | Tsawg dua lossis sib npaug rau 0.04 | Tsawg dua lossis sib npaug rau 0.02 |
| FeSi65 | 65.0-72.0 | Tsawg dua lossis sib npaug rau 0.6 | Tsawg dua lossis sib npaug rau 0.5 | Tsawg dua lossis sib npaug rau 0.2 | Tsawg dua lossis sib npaug rau 0.04 | Tsawg dua lossis sib npaug rau 0.02 |
FAQ
Q: Koj puas yog lub Hoobkas lossis tuam txhab lag luam?
A: Peb yog cov chaw tsim khoom.
Q: Koj lub sijhawm xa khoom ntev npaum li cas?
A: Lub sijhawm xa khoom nyob ntawm koj qhov kev yuav khoom ntau thiab lub caij tsim khoom
Q: Koj lub sijhawm ua haujlwm yog dab tsi?
A: Feem ntau nws xav tau li ntawm 15- 20 hnub tom qab tau txais PO.
Tiv tauj peb
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