Tube mills pab tau li cas rau cov txheej txheem steel yeeb nkab?

Tube mills yog ntau yam tshuab siv los tsim ntau yam ntawm cov kav dej thiab cov raj, nrog rau cov kab, square, thiab cov duab plaub.

Cov mills no siv ntau yam kev tsim thiab vuam cov txheej txheem los tsim cov kav dej rau ntau daim ntawv thov, los ntawm cov qauv txheej txheem mus rau cov rooj tog zaum thiab cov khoom siv.