steel with carbon as the essential constituent next to iron, carbon steel - a steel whose properties are determined principally by the amount of carbon present and contains no other deliberate alloying ingredient exept hose necessary to ensure deoxidation and physical quality. Also known as plain carbon steel., süsinikteras - legeerimata teras, mis sisaldab 0,04-2% süsinikku, kuni 1%mangaani, kuni 0,4% räni, kuni 0,07% väävlit ja kuni 0,09% fosforit (mangaan jt nimet. lisandid satuvad terasesse vältimatult tema tootmisel)