??? ?????? ?????? 40Cr ?? 42CrMo ??????? ???, ??????? ??? ???? ????????????, ????, ?????? ????, ????????????????, ??? ?????? ??? ?????????, ?????????? ??????? ??????? ??????????, ??? ????????-????? ???????????? ???? ????? ???? ???? ?? HRC58- HRC62, ??????? ??????, ??? ?????? ?????? ???? ????? ?????????
?????????????? ???? ??????? ???? ??????? ????? ????????? ??? ?????? ??????? ???? ?????? ????: ???????? ?????? ???, ????????? ??????? ?????? ???, ???? ???? ?????? ?????????? ???, ??? ?????? ??????? ?????? ???, ?????? ???? ?????? ??? ??? ?????? ????
????-??????? ??????????? ?????????? ????? ????????????? ??????? ??? ?? ??? ??????? ?????????? ????? ???????????? ???????????? ???? ???????? ????, ??????? ??? ??????? ?????????? ??? ?????? ????????????? ???????? ?????????????????? ?????