Ua ntej tshaj plaws, rau cov ntaub sib txawv thiab cov ntaub xav tau los xaiv cov ntaub sib xwslub koob yees duab nkhaus. Vim tias tus tsim qauv ntawm cov ntaub style nrhiav kev sib txawv, sib txawv qhov tseem ceeb, yog li ntawdlub koob yees duab qhov nkhaus ntawm qhov chaw ua haujlwm yuav txawv.
Vim yog lub koob los yog lub dab dej thiablub koob yees duab lub cim ntev ntawm kev sib txhuam ceev ceev, cov ntsiab lus ntawm cov txheej txheem tib lub sijhawm kuj yuav tsum tiv taus qhov cuam tshuam siab, yog li ntawdlub koob yees duab xaiv daim pib teb chaws Cr12MoV, cov khoom siv yog qhov zoo hardenability, hluav taws deformation, hluav taws deformation, hluav taws hardness, lub zog, toughness yog qhov tsim nyog raulub koob yees duabcov kev cai.lub koob yees duab quenching hardness feem ntau yog HRC63.5±1. lub koob yees duab qhov nyuaj siab dhau los yog qis dhau yuav muaj cov teebmeem tsis zoo.
lub koob yees duab Qhov roughness ntawm qhov nkhaus yog qhov tseem ceeb heev, nws yeej txiav txim siab seb qhovlub koob yees duab zoo thiab ruaj khov.lub koob yees duab qhov nkhaus ntawm qhov chaw roughness, yog los ntawm cov khoom siv ua haujlwm, cov cuab yeej, cov txheej txheem ua haujlwm, kev txiav thiab lwm yam ntsiab lus ntawm qhov kev txiav txim siab (cov chaw tsim khoom ib tus zuj zuslub koob yees duab tus nqi qis heev, feem ntau nyob rau hauv qhov txuas no los ua cov ntawv xov xwm).lub koob yees duab Kev ua haujlwm nkhaus thiab roughness feem ntau yog txiav txim siab raws li Ra≤0.8um. Qhov roughness ntawm qhov chaw ua haujlwm tsis ua tiav zoo yuav ua rau lub pob taws ntawm rab koob sib tsoo, ntaus rab koob, lub rooj zaum ces kaum cua sov thiab lwm yam xwm txheej.
Tsis tas li ntawd xwb, tab sis kuj xyuam xim rau qhovlub koob yees duab qhov chaw ntawm qhov, qhov tseem ceeb, cov duab thiab qhov nkhaus ntawm qhov chaw sib piv thiab qhov tseeb, cov kev saib xyuas no yuav tsis tsim cov teebmeem tsis zoo.