High carbon hlau txhaj tshuaj, ua los ntawm cov hlau tshwj xeeb, hardened thiab tempered, muaj cov ntsiab lus ntawm cov pa roj carbon ntau dua 0.85% los ntawm cov txheej txheem atomization, kheej kheej cov khoom ua los ntawm molten steel.Fengerda nruj me ntsis tswj txhua qhov txuas ntawm kev tsim khoom, tshwj xeeb tshaj yog kev tswj ntawm deoxidation thiab decarboniza