Lub hnab yas, los yog malleability, ntawm cov khoom thaum lub sij hawm tsim los pub rau nws raug muab pov, pressed, los yog extruded rau ntau yam duab, xws li: films, fibers, daim hlau, plab roj hmab, lub thawv, thawv, thiab ntau lwm tus.
Tus khaub nquag yas yuav tsum tsis txhob totaub nrog txoj kev tawm suab yas. Qhov chaw no yog muaj feem xyuam rau cov khoom siv uas muaj ib lub cev deformation, lossis hloov mus tas li, thaum lub qhov teeb meem dhau ntawm ib qho chaw. Piv txwv, aluminium uas yog stamped los yog forged exhibits plasticity nyob rau hauv qhov kev txiav txim siab, tab sis tsis yog yas nyob rau hauv qhov kev nkag siab zoo. Ntawm qhov sib txawv, qee yam ntawm cov yas yuav, nyob rau hauv lawv cov ntaub ntawv tiav, so ua ntej deforming thiab yog li ntawd tsis yog yas nyob rau hauv lub technical kev nkag siab.