Lub luag haujlwm ntawm Ferrosilicon hauv Steelmaking
Tso lus
Lub luag haujlwm ntawm ferrosilicon hauv steelmaking
Main siv ntawmferrosiliconFerrosilicon yog dav siv nyob rau hauv steel kev lag luam, foundry kev lag luam thiab lwm yam kev lag luam ntau lawm. Ferrosilicon yog ib qho tseem ceeb deoxidizer hauv kev lag luam steelmaking. Hauv steelmaking, ferrosilicon yog siv rau nag lossis daus deoxidation thiab diffusion deoxidation. Cib hlau kuj tseem siv los ua tus neeg sawv cev alloying hauv steelmaking. Ntxiv qee qhov nyiaj ntawm silicon rau cov hlau tuaj yeem txhim kho lub zog, hardness thiab elasticity ntawm cov hlau, ua kom cov hlau nplaum permeability ntawm cov hlau, thiab txo cov hysteresis poob ntawm transformer steel.
Ferrosiliconua haujlwm ua deoxidizer, tus neeg sawv cev alloying thiab txo tus neeg sawv cev. Cov haujlwm ntawm silicon manganese yog deoxidizer, alloying tus neeg sawv cev thiab desulfurizer. Silicon tuaj yeem nce elasticity thiab sib nqus permeability ntawm hlau. Manganese tuaj yeem txo qhov brittleness ntawm qhov tawv nqaij, txhim kho kev kho cua sov ntawm qhov tawv nqaij, thiab ua kom lub zog, hardness thiab hnav tsis kam ntawm qhov tawv.
Silicon-manganese alloys tuaj yeem deoxidize thiab muaj peev xwm nce manganese cov ntsiab lus hauv cov hlau tiav thiab ua kom nws lub zog. Yog li ntawd, qhov kev faib ua feem ntawm silicon-manganese alloy siv los ua deoxidizer yog maj mam siab dua li ntawm ferrosilicon. Raws li cov lus hais mus, "Koj tsis tuaj yeem ua hlau tsis muaj manganese." Tam sim no, lub luag haujlwm ntawm manganese hauv cov txheej txheem steel tsis tuaj yeem hloov los ntawm lwm cov 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 lossis 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 lossis 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 |
