a type of steel similar to rimmed steel in which, during ingot solidification, the rimming action was limited by mechanical or chemical means (see: ingot; compare: killed steel, semikilled steel, rimmed steel), keevterase liik, milles gaaside eraldumist ("keemist") valuploki tardumisprotsessis piiratakse kas mehaaniliselt või keemiliselt (vt valuplokk; vrd rahulik teras, poolrahulik teras, keevteras)