Ferrosilicon 45 (FeSi45) yog tsim los ntawm semi-coke, silica, steel khib nyiab thiab lwm yam ntaub ntawv. Cov txheej txheem ntau lawm entails smelting nyob rau hauv ib qho qhib los yog ib nrab kaw nruam txo qhov cub.
Ferrosilicon yog cov hlau thiab silicon alloy. Ferrosilicon yog ib qho hlau uas tsim nyob rau hauv lub cub hluav taws xob siv coke, steel scraps thiab quartz (los yog silicon dioxide) ua raw khoom. Vim qhov yooj yim uas silicon thiab oxygen sib xyaw ua ke los ua silicon dioxide, ferrosilicon nquag ua haujlwm ua deoxidiser hauv steelmaking. Tsis tas li ntawd, qhov tsim ntawm silicon dioxide tsim kom muaj cua sov ntau, uas tuaj yeem ua haujlwm rau ib txhij ua kom qhov kub thiab txias ntawm cov hlau molten. Tsis tas li ntawd, ferrosilicon tuaj yeem siv los ua cov khoom sib xyaw ua ke hauv cov hlau tsis tshua muaj hlau, lub caij nplooj ntoos hlav steel, cov kabmob hlau, cov hlau tsis muaj cua sov thiab hluav taws xob silicon steel. Ferrosilicon nquag ua haujlwm ua tus neeg sawv cev txo qis hauv kev tsim cov ferroalloys thiab hauv kev lag luam tshuaj. Lub ferrosilicon alloy muaj hlau thiab silicon, nrog rau cov ntaub ntawv raw yog silicon dioxide, steel thiab coke. Silicon melts rau hauv molten hlau tom qab qhov kub thiab txias txo ntawm 1500-1800 degrees Celsius los tsim ferrosilicon. Nws yog hom alloy tseem ceeb tshaj plaws hauv kev lag luam smelting.