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