Nyob rau hauv li - dov los yog raws li - forged mob, lub microstructure tsis yog -uniform, muaj xws li ntxhib, feem ntau banded ferrite- pearlite qauv los ntawm qhov siab - kub tiav. Cov khoom yog:
Hloov pauv thiab tsis yog-Garante thoob plaws hauv ntu -.
Lower Strength thiab Toughness piv rau lub xeev quenched & tempered.
Kev ua haujlwm tsis zoo (yuav ua tau gummy) hauv qee kis.
Kev kho cua sov ntxiv (Normalizing lossis quenching & Tempering) yog tsim nyog rau:
Refine lub grain qauv.
Homogenize lub microstructure thiab chemistry.
Ua tiav qhov kev lav phib xaub, rov tsim dua, thiab cov khoom siv kho kom zoo uas xav tau rau kev tsim engineering.
Raws li - dov lub xeev tsuas yog ib qho kev ua haujlwm nruab nrab xwb.