Cov yeeb nkab steel yog ib hom yeeb nkab uas muaj zog thiab zoo corrosion kuj uas yog dav siv hauv kev tsim kho, choj, kev txuag dej, roj av, tshuaj lom neeg kev lag luam thiab lwm yam kev lag luam.
Raws li cov khoom siv tseem ceeb hauv kev lag luam niaj hnub, cov yeeb nkab steel muaj ntau yam kev siv hauv kev tsim kho, cov khoom siv hauv tsev thiab lwm yam kev lag luam. Qhov zoo ntawm cov yeeb nkab steel yog nws lub zog siab, zoo corrosion kuj, tsis yooj yim rau deformation, thiab tuaj yeem tiv taus hnyav. Yog li ntawd, hauv kev tsim kho thiab kev tsim kho choj, kev siv cov kav dej steel yog qhov tseem ceeb. Nyob rau tib lub sij hawm, vim hais tias cov txheej txheem txheej txheem ntawm cov yeeb nkab steel yog qhov yooj yim thiab kev ua haujlwm siab, nws kuj ua lub luag haujlwm tseem ceeb hauv kev lag luam.