Taw qhia cov ntaub ntawv hlau
Cov khoom siv hlau yog hais txog cov khoom siv uas muaj cov yam ntxwv xws li gloss, ductility, conductivity, hloov tshav kub thiab lwm yam. Feem ntau muab faib ua cov hlau tsis muaj hlau thiab cov hlau tsis huv. Cov xim hlau muaj hlau, chromium, manganese, thiab cov zoo li. Hlau yog qhov yooj yim cov khoom hu ua "pob txha muaj". Vim tias kev nce qib hauv kev tshawb fawb thiab kev siv thev naus laus zis, kev siv ntau yam khoom siv tshuaj tshiab thiab cov khoom siv tsis yog xim hlau tshiab tau ua rau muaj kev hloov pauv ntau ntxiv rau cov hlau thiab ib tus txheeb ze poob hauv kev thov rau cov hlau. Tab sis kom deb li deb, txoj haujlwm tseem ceeb ntawm cov hlau hauv cov lus sib xyaw ntawm cov khoom lag luam raw tseem tseem nyuaj hloov.