Hlau yog "hlau carbon alloy" nrog cov ntsiab lus ntawm cov qis hauv qab 2%. Qhov no hu ua "carbon steel".
Carbon steel yog muab faib ua cov pa roj carbon tsawg, cov pa roj carbon nrab thiab cov pa roj carbon fiber ntau raws li carbon.
Ntxiv lwm cov kev ua txhuam hauv cov hlau yog hu ua "alloy steel".
Lub hom phiaj ntawm smelting hlau hlau yog ua kom tau raws li qhov xav tau ntawm ntau lawm thiab lub neej.
Stainless hlau yog ib hom hlau alloy, ntxiv ntau Ci, Ni thiab lwm cov hlau hlau.
Stainless hlau
Cov hom tsis muaj hlau tsis zoo muab faib ua ob hom: ferritic stainless hlau thiab austenitic stainless hlau.
Ferritic stainless hlau yog ib lub cev centered lattice nrog cov khoom sib nqus. Piv txwv, 1Ci13 thiab 2Ci13. feem ntau yog siv rau cov khoom lag luam thiab khoom pleev duab.
Austenitic stainless hlau yog lub ntsej muag lub ntsej muag uas tsis muaj magnetism. Piv txwv, 1Ci18Ne9T siv tshuaj chemical, tshuaj thiab khoom noj khoom haus.
Yog hais tias ib tug neeg hais tias siv cov hlau nplaum ua kom nyias qhov tsis muaj steel, nws tsis yog txhua yam.
