Alloy steel ke tšepe eo e tsamaeang le lintho tse fapaneng lipakeng tsa 1.0% le 50% ka boima ba eona ho ntlafatsa thepa ea eona ea ho ntlafatsa thepa ea eona. Li-steels tse anyang li oela ka lihlopha tse peli: li-steels tse tlase le li-steels tse phahameng haholo. Phapang pakeng tsa tse peli e hanyetsoa. Smith and hashemi e hlalose phapang ho 4,0%, ha ke le ka pepa, et al., E nyenyefatsa ka 8,0%. [1] [2]. [1] Hangata, poleloana e reng, "Aliloy steel" e bua ka li-steels tse tlase.