Khoom Taw Qhia
Khoom Parameters
|
Cov qauv |
Txoj kab uas hla |
Thickness ntawm sab nrauv |
Qhov hnyav ntawm sab nrauv |
Qhov hnyav ntawm calcium core |
Cal ntsiab lus ntawm core |
|
1 |
10-10.5 hli |
1.5 ± 0.2 hli |
Tsawg dua lossis sib npaug li 360g / m |
Ntau dua lossis sib npaug li 52g / m |
Ntau dua lossis sib npaug li 97% |
|
2 |
9-9.5 hli |
1.0±{2}}.2mm |
Tsawg dua lossis sib npaug li 210g / m |
Ntau dua lossis sib npaug li 52g / m |
Ntau dua lossis sib npaug li 97% |
Khoom Description
Seamless ntshiab calcium cored hlau yog ib yam khoom siv dav siv hauv steelmaking teb, uas yog siv los ua kom huv si molten steel, txhim kho nws cov kev ua tau zoo thiab txhim kho nws txoj kev huv. Tshwj xeeb, seamless ntshiab calcium cored hlau yog ua los ntawm kev sib xyaw ntawm 25-35% calcium hais thiab cov hmoov hlau seem ua cov khoom siv cored los ntawm cov txheej txheem tshwj xeeb.
Nyob rau hauv cov txheej txheem steelmaking, ib tug npaum li cas ntawm cov pa oxygen yuav yaj nyob rau hauv molten steel, txo cov hlau mechanical zog thiab corrosion kuj. Los ntawm kev ntxiv seamless ntshiab calcium cored hlau rau molten steel, calcium tuaj yeem hnov mob nrog oxygen hauv molten steel los tsim oxides insoluble hauv molten steel, yog li ua tiav lub hom phiaj ntawm deoxidation. Txoj kev no tuaj yeem tshem tawm cov pa oxygen los ntawm cov hlau molten thiab txhim kho cov purity ntawm hlau.
Sulfur yog ib qho teeb meem hauv cov hlau, uas yuav ua rau "kub brittleness" ntawm cov hlau thiab txo nws cov plasticity thiab toughness. Calcium nyob rau hauv seamless ntshiab calcium cored hlau tuaj yeem hnov mob nrog sulfur hauv cov hlau molten los tsim cov calcium sulfide, uas yog cov khoom sib xyaw nrog cov ntsiab lus melting siab thiab tuaj yeem raug tshem tawm hauv cov txheej txheem tom qab smelting, yog li ua tiav lub hom phiaj ntawm desulfurization. Ntxiv mus, nyob rau hauv tus txheej txheem ntawm steelmaking, ib co nonmetallic inclusions, xws li alumina thiab manganese sulfide, yuav inevitably raug tsim nyob rau hauv molten hlau. Cov kev suav nrog no yuav cuam tshuam rau cov khoom siv kho tshuab thiab machinability ntawm steel. Los ntawm kev ntxiv seamless ntshiab calcium cored hlau rau molten hlau, calcium tuaj yeem hnov mob nrog cov kev suav no los tsim cov tebchaw uas yooj yim dua rau kev tshem tawm, xws li calcium aluminate thiab calcium sulfide, kom ua tiav cov kev kho mob denaturation ntawm inclusions.
Daim ntawv thov ntawm seamless ntshiab calcium-cored hlau muaj qhov zoo tshaj plaws. Ua ntej, vim hais tias ntawm seamless tsim, cov khoom tseem ceeb ntawm calcium hlau tsis yooj yim rau oxidize, yog li ua kom cov calcium yield thiab stability. Thib ob, seamless ntshiab calcium cored hlau muaj qhov zoo pub qhov tob thiab me me, uas tuaj yeem tswj cov calcium ntxiv kom raug thiab txhim kho cov nyhuv smelting. Tsis tas li ntawd, cov nqi tsim khoom ntawm seamless ntshiab calcium cored hlau yog qhov tsawg, thiab lub txee lub neej ntev, uas tuaj yeem ua tau raws li qhov kev thov ntev ntawm cov tuam txhab hlau thiab hlau.
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