Kev xaiv raw khoom
Cov ntaub ntawv tseem ceeb: Xaiv cov khoom siv siab-cov ntaub ntawv zoo- xws li cov pa roj carbon monoxide steel, alloy structural steel, thiab stainless hlau- nrog kev tswj nruj ntawm impurities, carbon cov ntsiab lus, thiab cov proportions ntawm alloying ntsiab.
Tswj Cov Qauv: Ua kom ntseeg tau tsawg kawg nkaus ntawm cov teeb meem xws li sulfur thiab phosphorus los tsim lub hauv paus ruaj khov rau theem tom ntej smelting.
Smelting thiab Refining txheej txheem
Mainstream Txheej Txheem Kev Sib Txuas: Ib qho kev ua haujlwm suav nrog Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob (EAF) thawj smelting, Ladle Furnace (LF) refining, thiab Nqus Degassing (VD); siab -qib steel kawg tau txais Electroslag Remelting (ESR).
Cov txiaj ntsig tseem ceeb: txo qis kev suav nrog thiab cov ntsiab lus roj thaum txhim kho steel purity thiab compositional uniformity; Piv txwv li, ESR-kho S136 steel ua pov thawj pom tau tias zoo dua polishability thiab toughness.
Forging thiab Nruam Casting
Nruam Casting: Molten steel lub rooj sib tham cov qauv zoo yog nruam nrum rau hauv daim ntawv; Kev tswj xyuas meej ntawm cov nqi solidification tiv thaiv cov teeb meem sab hauv xws li porosity thiab inclusions, kom ntseeg tau qhov ntom ntom microstructure.
Forging/Re-forging: Ntau-kev taw qhia forging lov ua ntxhib raws li- nrum qauv, refines nplej, thiab txhim kho carbide tis; qhov tsim nyog forging piv ua kom cov hlau lub zog, toughness, thiab qaug zog ua haujlwm.
