CaFe Cored Hlau

Cored Hlau yog dab tsi?

Lub hom phiaj ntawm cov hlau cored yog txhawm rau txhuam cov khoom sib txawv (deoxidizer, desulfurizer, modifier, alloy, thiab lwm yam) rau hauv ib qho me me me me kom ntxiv rau cov hlau molten lossis hlau. Txias- dov qis- carbon steel strips yog siv los ua ke cov khoom ntxiv rau hauv ib lub cev nrog rau qhov ntev ntawm cov khoom sib xyaw.

CaFe Cored Hlau yog dab tsi?

Khoom npe:CaFe

Hom:cored xov hlau nrog Calcium thiab hlau hmoov sib tov

Melting point:839℃(1558℃F)

Kub taw tes: 1484℃(2703℃F)

Cov hmoov hlau ua rau 25–35% ntawm cov calcium uas seem hauv CaFe-cored hlau. Lub sawb steel yog siv los ua cov tub ntxhais hlau. Cov calcium 30 thiab calcium 40 cored hlau tsis yog lawv cov yam ntxwv. Calcium hlau-cored hlau feem ntau yog siv nyob rau hauv qis-carbon, ultra- qis- carbon, qis- silicon, thiab cov hlau ntshiab uas yuav tsum tau ua raws li kev nruj nruj hauv tsev thiab thoob ntiaj teb suav nrog morphology thiab ntau cov qauv.

Ntxiv nrog rau qhov txo qis nozzle clogging, nws tuaj yeem tiv thaiv sulfide inclusions hauv cov hlau tom qab ntxiv calcium, txhim kho cov anisotropy ntawm cov hlau thaum siv los ua deoxidizer hauv kev ua kom zoo ntawm cov hlau molten. Cov hlau molten tuaj yeem ua kom sov thiab yaj hauv lub pas dej sib sib zog nqus ntawm cov hlau molten nrog kev pab ntawm cov hlau feeder, uas yuav tshem tawm impurities thiab deoxidize thiab desulfurize nws. Nyob rau hauv ib ntus, nws muaj peev xwm stabilize qhov sib tov, kho qhov muaj pes tsawg leeg, thiab nce cov txiaj ntsig ntawm cov hlau thiab cov ntsiab lus tsis tshua muaj hauv ntiaj teb. Txo tus nqi ntawm refining thiab txo kom muaj nuj nqis ntawm cov khoom muaj nqis.

Nws ua haujlwm zoo rau kev kho cov hlau molten nrog calcium thaum lub sij hawm thib ob refining txheej txheem. Rau nruab nrab thiab me EAF, Φ 13mm yog qhov tsim nyog, thiab rau EAF loj, Φ 16mm yog qhov tsim nyog.

Ib hom cored hlau hu ua calcium- hlau cored hlau muaj ib qho kev qhia ntawm cov hmoov hlau thiab hlau calcium hmoov qhwv nyob ib ncig ntawm nws. Tam sim no, CaFe cored hlau yog siv los ntawm cov tuam txhab lag luam hauv tsev thiab thoob ntiaj teb los ua kom zoo hlau. Cov txheej txheem no hu rau qis-carbon, ultra- qis- carbon, thiab qis- silicon steel, thiab nws muaj cov lus qhia nruj me ntsis ntawm hom thiab cov khoom suav nrog.

Dab tsi yog qhov tseem ceeb ntawm CaFe Cored Hlau?

Cov kev ua tau zoo yog qhov zoo thiab muaj peev xwm ua tiav siab - ceev ceev cov kev xav tau.

★ Tom qab kev kho mob, silicon, hydrogen, thiab nitrogen cov ntsiab lus ntawm molten steel tsis sawv, ua rau nws tsim nyog siv los ua deoxidizer, desulfurizer, thiab de-tus neeg sawv cev suav nrog.

Txhim kho tus nqi ntawm cov khoom rov qab los ntawm alloying, nrog calcium rov qab ntawm tus nqi ntawm 12% -19%.

Nws muaj peev xwm tswj hwm tus nqi ntawm Al thiab S hauv cov hlau, txhim kho nws cov khoom siv zoo, thiab pom tau tias nws cov plasticity, transverse cuam tshuam toughness, thiab kub ua haujlwm.

Dab tsi Precise Function Puas Cored Hlau Pab hauv Casting thiab Steelmaking?

Nyob rau hauv tus txheej txheem ntawm casting thiab ua hlau, cored hlau yog qhov tseem ceeb. Nws yog cov khoom lag luam uas muaj txiaj ntsig zoo heev vim nws qhov kev siv tau zoo heev, kev txuag hluav taws xob, thiab kev tiv thaiv ib puag ncig, yog li nws tuaj yeem yaj thiab nqus cov hmoov hmoov zoo dua.

Hom cored hlau twg muaj?

Muaj ntau ntau yam ntawm cov xov hlau cored, suav nrog cov xov hlau carbon, silicon-barium-calcium cored xov hlau, calcium-silicon cored xov, spheroidized xov hlau, inoculant xov hlau, thiab silicon- txhuas-barium-calcium. Qhov tseem ceeb, txhua hom alloy tuaj yeem dov rau hauv ib lub xaim nrog lub hauv paus rau kev siv.

Dab tsi yog daim ntawv thov ntawm CaFe cored hlau?

Hlau ntau lawm: CaFe-cored hlau yog siv nyob rau hauv zus tau tej cov tsawg- silicon steel. Nws ua hauj lwm raws li ib tug deoxidizer thiab pab txhim kho qhov zoo ntawm cov hlau tsim.

Metallurgical kev ua tau zoo: CaFe-cored hlau muaj superior metallurgical kev ua tau zoo piv rau cov pa CaSi (Calcium Silicon) thiab CaFeAl (Calcium Iron Aluminum)-cored xov hlau. Nws siv tuaj yeem ua rau txo qis hauv impurities thiab txhim kho tag nrho cov hlau zoo.

Automotive kev tsim khoom: Hlau -cored hlau, suav nrog CaFe-cored hlau, feem ntau yog siv rau hauv kev siv tshuab vuam, tshwj xeeb hauv kev tsim tsheb. Nws muaj peev xwm nqa tau qhov ceev dua tam sim no tso cai rau kev mus ncig sai dua thaum lub sij hawm vuam, ua rau nws yog qhov kev xaiv zoo rau kev ua haujlwm zoo thiab siab - zoo welds.

Galvanized hlau vuam: CaFe-cored hlau tsim tshwj xeeb rau cov hlau galvanized tuaj yeem daws cov teeb meem cuam tshuam nrog vuam cov khoom no. Nws ua rau kev mus ncig sai dua thiab pab kom muaj kev sib npaug ntawm lub sijhawm / qhov kub thiab txias kev sib raug zoo thaum lub sijhawm vuam. Hom hlau no feem ntau siv rau hauv cov ntawv thov uas cov xaim hlau yuav xav tau kev sib txuas qeeb qeeb thiab cov khoom siv hluav taws xob ntau dua.

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